RE Library and Archive World War One Unit War Diaries

Key RE Royal Engineers TA Territorial Army R Reports E Extracts A Appendix SIG Signal S Summary E&M Electrical & Mechanical CL Casualty List MD Missing Documents MC Miscellaneuos Documents EinC Engineer in Chief O Orders NR Nominal Roll D Diagrams M Maps L of C Lines of Communication BEF British Expeditionary Force EEF Egyptian Expeditionary Force I Instructions

File No. Unit Dates covered by diary Notes 1 GHQ Signal Company Royal 01 Jul 1916 to 31 May 1918 and MD Engineers British Expeditionary Force Sep 1918

2 GHQ Signal Company Archangel 19 Oct 1918 to 28 Apr 1919 and 01 Aug 1919 to 20 Sep 1919 GHQ Signal Company Egyptian Mar 1915 to 31 May 1919 Expeditionary Force GHQ Signal Company East African 04 Apr 1916 to 01 Sep 1916 S GHQ Signal Company France 06 Aug 1914 to 16 Sep 1916 S GHQ Signal Company Italy 02 Dec 1917 to 31 Dec 1917 and 01 May 1918 to 28 Feb 1919

3 Army Signal Company 01 Jul 1917 to 28 Feb 1919 British Rhine Army Signal Company 01 Jan 1919 to 29 May 1919 Northern Army Cyclist signal Company 14 Oct 1916 to ? S

Salonika Army Signal Company 21 Mar 1915 to 19 Oct 1916 S

4 1st Army Signal Company 14 Oct 1914 to 28 Feb 1919 2nd Army Signal Company 01 Jan 1915 to Dec 1915 and May 1916 to Jul 1916 and Aug 1916 to Oct 1916 and 21 Mar 1917 to 28 Dec 1918 and 01Jun 1919 to 30 Jun 1919 3rd Army signal Company 19 Jul 1915 to 19 Jul 1916 S 5th Army Signal company Jan 1916 to 28 May 1917 Reserve Army Signal Company 01 Aug 1918 to 31 Dec 1918 5 4th Army Signal Company 04 Apr 1915 to 26 Jan 1916 and D 24 Jan 1916 to 31 Dec 1917 and 01 Jan 1918 to 05 May 1919

6 4th Army Signal Company D only

7 A.D. Signals 4th Army Apr 1917 to Jul 1917 and Dec D only 1917

8 DD Signals 3rd Army 15 Apr 1915 to 19 Apr 1915 and 10 Jul 1915 to 30 Apr 1916 DD Signals 5th Army 19 Jun 1916 to 31 Jul 1918 M and D

9 A.D Signals 1st Corps 18 Dec 1916 to 23 Oct 1918 A.D.Signals 8 Corps 01 Jul 1916 to 29 Jun 1918 8 Corps Signal Company 04 Jul 1915 to 31 Jan 1916 and 01 Jul 1916 to 28 feb 1917 and Jun and Jul 1917 and Oct 1917 to Dec 1917 and Mar 1918 and May 1918

10 "B" Corps Signal Company 2 Corps Feb 1916 to Feb 1919 "C" Corps signal Company 3 Corps 04 Aug 1914 to 29 Mar 1915 and Oct 1917 and Jan 1918 and Mar 1918 to Dec 1918 and Jan 1919 to Mar 1919 "D" Corps Signal Company 4 Corps 05 Oct 1914 to 30 Oct 1914 and 01 Feb 1916 to 31 Jul 1917 "E" Corps Signal Company 5 Corps 11 Aug 1915 to 31 May 1919 "F" Corps Signal Company 6 Corps 08 Mar 1915 to 30 Jun 1917 "G" Corps Signal Company 7 Corps 29 Jan 1915 to 29 Feb 1916 "H" Corps Signal Company 8 Corps 04 Oct 1915 to 29 Jul 1916 S "J" Corps signal Company 9 Corps Dec 1914 to 14 Aug 1916 S "K" Corps Signal Company 10 Corps Feb 1915 to 18 Aug 1916 and 01 Dec 1916 to 31 Mar 1917

11 "L" Corps Signal Company 11 Corps Feb 1915 to 28 Sep 1918 "M" Corps Signal Company 12 Corps 05 Apr 1914 to 17 Jun 1919 "N" Corps signal Company 13 Corps 05 Aug 1915 to 31 Jul 1916 and 01 Oct 1916 to 05 Aug 1919

12 "O" Corps Signal Company 14 Corps 24 Feb 1916 to 26 Aug 1916 and 01 May 1917 to 31 Jan 1919

"P" Corps Signal Company 15 Corps 01 Feb 1916 to 01 Mar 1916 "Q" Corps Signal Company 16 Corps Oct 1915 to 29 Mar 1917 S "R" Corps Signal Company 17 Corps 22 Oct 1915 to 14 Jan 1916 and 01 May 1916 to 14 Jul 1919 "S" Corps Signal company 18 Corps 25 Apr 1916 to 31 Oct 1918 "T" Corps Signal Company 19 Corps 10 Jul 1916 to 12 Jun 1917 "U" Corps Signal Company 21 Corps 02 Jan 1916 to 04 Jan 1918 and S 03 Jan 1918 to 17 May 1919

"V" Corps Signal Company 20 Corps 01 Aug 1917 to 08 Aug 1917 and 01 Oct 1917 to 31 Jan 1919 "W" Corps Signal Company Suez Apr 1915 to 20 Mar 1917 S Corps "X" Corps Signal Company Oct 1915 to 20 Mar 1917 S

13 "Y" Corps Signal Company 28 Jan 1915 to 30 Nov 1916 AD Signals 2nd Anzac 22 Corps 01 Jan 1917 to 31 Dec 1918 1 Anzac Signal Company 22 Nov 1915 to 20 Sep 1916 S

14 IX Corps Signal 14 Jun 1916 to 31 Aug 1916 XIV Corps "J" Army corps Signal 01 Sep 1916 to 30 Apr 1918 Company Canadian Corps Signal Company 14 May 1915 to 14 Sep 1915 S Cavalry Corps Signal Squadron 25 Jun 1916 to 31 Dec 1916 and 01 Jun 1917 to 31 Dec 1917 and 01 Jan 1918 to 31 dec 1918 and 01 Jan 1919 to 05 Jun 1919

2/3 Indian Army Corps signal 26 May 1916 to 31 May 1916 Company

15 1st Divisional Signal Company 03 Feb 1915 to 22 Aug 1919 2nd Divisional Signal Company 07 May 1915 to 30 Jun 1918 and 01 Jan 1919 to 31 Aug 1919

( Light Division Signal Company ) 01 Apr 1919 to 31 Aug 1919

16 3rd Divisional Signal Company 25 Apr 1916 to 25 May 1919 4th Divisional Signal Company 01 Feb 1915 to 31 Nov 1917 and 01 Mar 1918 to 28 Feb 1919

17 5th Divisional Signal Company 05 Aug 1914 to 09 May 1919

18 6th Divisional Signal Company 01 Oct 1915 to 31 May 1916 and 01 Sep 1916 to 31 May 1919 and 01 Jul 1919 to 15 Sep 1919

7th Divisional signal Company 04 Oct 1914 to 31 Dec 1918 and 31 Jan 1919 to 28 Feb 1919

8th Divisional Signal Company 18 Sep 1914 to 29 Feb 1916 9th Divisional Signal Company 27 Aug 1914 to 09 May 1915 and S 03 Mar 1916 to 31 Mar 1916 and 01 Nov 1916 to 28 feb 1918

10th Divisional Signal Company 01 Oct 1914 to 31 Jan 1916 and S 01 May 1917 to 28 Feb 1919 and 01 Aug 1919 to 31 Oct 1919 and 01 Mar 1920 to 31 Mar 1920

19 11th Divisional Signal Company 30 Aug 1914 to 31 Aug 1916 and 01 Oct 1916 to 31 Oct 1916 and 01 Dec 1916 to 31 Jan 1917 and 01 May 1917 to 07 Jul 1919 12th Divisional Signal Company 24 Aug 1914 to 28 May 1915 and 01 Nov 1915 to 31 Jan 1916

13th Divisional Signal Company 26 Sep 1914 to 30 Apr 1917 and 01 Jun 1917 to 24 Mar 1919

14th Divisional Signal Company 29 Aug 1914 to 01 Mar 1917 and 01 May 1917 to 28 Nov 1918

15th Divisional Signal Company 26 Sep 1914 to 31 Mar 1919

20 16th Divisional Signal Company 11 Aug 1915 to 31 May 1919 17th Divisional Signal Company 09 Oct 1914 to Aug 1917 S 18th Divisional signal Company 20 Oct 1914 to 13 Nov 1918 19th Divisional Signal Company 16 Oct 1914 to 29 Dec 1915 20th Divisional Signal Company 14 Oct 1914 to 27 Feb 1917 and 31 May 1917 to 30 Jan 1919

21 21st Divisional Signal Company 06 Oct 1914 to 30 Jan 1919 and 01 Mar 1919 to 22 Jun 1919 22nd Divisional Signal Company 22 Oct 1914 to 05 Feb 1916 and 27 Jul 1916 to 24 Oct 1916 and 01 Apr 1917 to 31 Dec 1918 23rd Divisional Signal Company 24 Oct 1914 to 29 Mar 1919 R and Returns 24th Divisional Signal Company Oct 1914 to 31 Dec 1916

22 25th Divisional Signal Company 28 Oct 1914 to 31 Aug 1916 and 01 Mar 1918 to 17 Jun 1919

26th Divisional Signal Company Oct 1914 to 11 May 1919 27th Divisional ( Wessex ) Signal Pre - War S Company 28th Divisional Signal Company 05 Aug 1914 to 30 Nov 1919

23 29th Divisional ( 1st London ) Signal Jan 1915 to Nov 1917 S Company 30th Divisional Signal Company ( was 01 Mar 1915 to 31 May 1919 37th Signal Company until 01 May 1915 ) 31st Divisional Signal Company Apr 1915 to 04 Oct 1917 and 04 S Jan 1919 to 31 Jan 1919 32nd Divisional Signal Company ( was 20 Jun 1915 to 27 Oct 1919 41st Signal Company until 15 Sep 1915 )

24 33rd Divisional Signal Company 20 May 1915 to 31 Oct 1917 and 01 Dec 1917 to 31 Dec 1918

25 34th Divisional Signal Company ( was 05 Dec 1915 to 31 Jul 1919 38th Signal Company until 10 May 1916 ) ( 34th Signal Company disbanded 14 May 1915 ) 35th Divisional Signal Company ( was Feb 1915 to 28 Apr 1916 and 05 39th Signal Company until 10 May Jun 1916 to 24 Jun 1916 and 01 1916 ) ( 35th Signal Company Nov 1916 to 03 May 1919 disbanded 12 May 1915 ) 36th Divisional Signal Company 22 Sep 1914 to 31 Jul 1917 and 01 Sep 1917 to 30 Nov 1918 37th Divisional Signal Company ( was 13 Nov 1914 to 31 Mar 1916 and 40th Signal Company until 05 Jun 01 May 1916 to 31 Mar 1919 1915 ) ( Previously 31st Signal Company until 27 May 1915 ) 38th Divisional Signal Company ( was 01 Dec 1914 to 30 Dec 1915 and 43rd Signal Company until 29 Apr 03 Dec 1916 to 30 Dec 1917 and 1915 ) 01 Feb 1918 to 31 May 1919

26 39th Divisional Signal Company ( was Mar 1915 to 26 Oct 1916 33rd Signal Company until 24 Jun 1915 ) ( Previously 40th Signal Company until 10 May 1915 ) 40th Divisional Signal Company ( was ? to 21 Aug 1915 and 01 Jun S 37th Signal Company until 05 Jun 1916 to 31 Mar 1919 1915 ) ( Previously 30th Signal Company until 07 Apr 1915 disbanded 21 Aug 1915 ) 41st Divisional Signal Company ( was 20 Mar 1915 to 31 Dec 1916 and 32nd Signal Company until 15 Sep 01 Apr 1918 to 30 Sep 1918 and 1915 disbanded 15 Aug 1915 ) 10 Apr 1919 to 31 May 1919

42nd Divisional ( East Lancashire ) 1913 to May 1916 and 01 Oct Signal Company 1916 to 30 Sep 1918 46th Divisional Signal Company 1908 to 30 Apr 1919 and 01 Jun 1919 to 30 Jun 1919 47th Divisional Signal Company Mar May Jul Aug 1915 48th Divisional Signal Company Pre - War to 31 Aug 1918

27 49th Divisional Signal Company Jan 1913 to 17 Jun 1919 50th Divisional Signal Company 02 Dec 1915 to 17 Apr 1916 and 01 Jul 1916 to 31 Jul 1918 and 01 Sep 1918 to 31 Dec 1918 and 01 Feb 1919 to 30 Apr 1919

51st Divisional Signal Company 01 May 1915 to 30 Sep 1918 52nd Divisional Signal Company Pre - War to 31 Oct 1915 and 01 Dec 1916 to 30 Apr 1919

28 53rd Divisional Signal Company Pre - War to Sep 1916 and 01 S Jun 1918 to 30 Nov 1919 54th Divisional Signal Company 09 Jul 1915 to 31 May 1916 and 01 Jul 1916 to 01 Oct 1919 55th Divisional ( West Lancashire ) Pre - War to 16 Sep 1916 S Signal Company 56th Divisional Signal Company 26 Sep 1914 to 31 May 1919

29 57th Divisional Signal Company 04 Sep 1914 to 30 Apr 1919 58th Divisional signal Company 24 Sep 1914 to 30 Dec 1917 59th Divisional Signal Company 01 Jan 1915 to 30 Jun 1916 and 19 Feb 1917 to 30 Apr 1917 and 01 Jun 1917 to 30 Apr 1919

30 60th Divisional Signal Company Sep 1914 to 21 Jun 1916 and 21 S Jun 1916 to 31 May 1919 61st Divisional Signal Company Nov 1914 to 31 Mar 1918 and 01 M Jun 1918 to 30 Nov 1918 and Jan 1919 and Jun 1919 62nd Divisional Signal Company 01 Apr 1919 to 31 Jul 1919 63rd Divisional Signal Company ( R.N 18 Sep 1914 to 31 Jan 1917 and ) 01 Mar 1917 to 24 Jun 1919

64th Divisional Signal Company Sep 1914 S 65th Divisional Signal Company 24 Nov 1914 to 08 Aug 1917 S 69th Divisional Signal Company 04 Sep 1914 to 30 Apr 1917 S 71st Divisional Signal Company 13 Nov 1916 to 01 Mar 1917 S 72nd Divisional Signal Company 25 Nov 1916 to 20 Jun 1917 S 73rd Divisional Signal Company 09 Nov 1916 to 07 Mar 1917 S 75th Divisional Signal Company 30 Mar 1917 to 29 Sep 1917 and 01 Apr 1918 to 31 Jul 1919 and 01 Sep 1919 to 31 Oct 1919

31 HQ Guards Divisional Signal Company 22 Aug 1915 to 29 Apr1919 FD returns

Guards Divisional Signal Company ( Sep 1914 to 03 Oct 1915 and 01 16th Signal Company until 06 Aug Dec 1915 to 31 Aug 1918 and 01 1915 ) Oct 1918 to 29 Apr 1919

32 All missing box empty 09 Aug 2001 3/1 Lowland Divisional Signal 13 Jul 1915 to 28 Apr 1917 Company Yeomanry Mounted Divisional Signal 28 May 1917 to 31 May 1918 Squadron 31st Divisional ( Indian ) Signal 15 Feb 1911 to 31 Oct 1917 S Company 1st Indian Cavalry Divisional Signal See 4th Signal Squadron Squadron 2nd Indian Cavalry Divisional Signal See 5th Signal Squadron squadron 1st Canadian Divisional Signal 21 Aug 1914 to Apr 1917 S Company New Zealand Divisional Signal 17 Aug 1914 to Jun 1917 S Company 4th Australian Divisional Signal 09 Mar 1916 to 07 Jun 1917 S Company Australian Mounted Divisional Signal 12 Feb 1917 to 06 Oct 1917 S Squadron 3/1 Highland Divisional Signal 01 Apr 1915 to ? 1917 S Company 3/1 London Divisional Signal Company 24 Mar 1915 to 03 Apr 1917 S ( TF ) 3/1 West Lancashire Divisional Signal May 1915 S Company 3/1 West Riding Divisional Signal 29 May 1915 to 29 Apr 1917 S Company 3/1 Wessex Divisional Signal 21 Jun 1915 to 27 Apr 1917 S Company 3/1 Welsh Divisional Signal Company 13 Apr 1915 to ? S

3/1 East Anglian Divisional Signal Jun 1915 to 31 Aug 1917 S Company 1st Mounted Divisional Signal 18 Feb 1915 to 12 Sep 1915 S Squadron 1st Cyclist Divisional Signal Squadron 24 Jun 1916 to ? S

"Z" Divisional Signal Company Jul 1915 to 01 Jun 1917 S "Z" Divisional Signal Company ( 12 Jul 1915 to 08 Mar 1918 S Sappers and Miners )

33 1st Tank Brigade Signal Company 01 Feb 1919 to 28 Feb 1919 3rd Tank Brigade Signal Company 27 Aug 1917 to 10 May 1919 5th Tank Brigade Signal Company 14 Jun 1918 to 30 Sep 1918 and 01 Nov 1918 to 18 Dec 1918

5th Mounted Brigade Signal Troop 01 Jan 1918 to 31 Jan 1918 6th Tank Brigade Signal Company 01 Nov 1918 to 30 Apr 1919 6th Cavalry Brigade Signal Troop 11 Oct 1915 to 30 Jun 1916 and 01 Oct 1916 to 30 Nov 1918 10th Cavalry Brigade Signal Troop 01 Sep 1918 to 31 Mar 1919 and 01 May 1919 to 31 Dec 1919

11th Cavalry Brigade Signal Troop 01 Jan 1918 to 31 Dec 1919 12th Cavalry Brigade Signal Troop 01 Aug 1918 to 31 Dec 1919 13th Cavalry Brigade Signal Troop 01 Jun 1918 to 30 Sep 1918 and 01 Nov 1918 to 31 Aug 1919 and 01 Jan 1920 to 28 Jan 1920

14th Cavalry Brigade Signal Troop 01 Oct 1917 to 30 Nov 1918 19th Brigade Signal Section 01 May 1916 to 31 May 1916 98th Brigade Signal Section 01 May 1916 to 31 May 1916 238th Brigade Signal Company 20 Mar 1919 to 22 Jul 1919 2nd Signal Section 10th Infantry 04 Mar 1915 to 31 Mar 1915 S Brigade Signal Section Imperial Camel Brigade 16 Dec 1916 to ? S

Nottingham and Derby Mounted ? To 30 May 1918 S Brigade Signal Troop 49th Indian Infantry Brigade Signal 28 May 1917 to Jul 1917 S Section

34 L of C Signal Company E.A.E Force 07 Mar 1917 to 03 Jul 1917 L of C Signal Company B.S.F 28 Nov 1916 to 31 Mar 1919 "L" ( L of C ) Signal Company 05 Aug 1914 to 17 Sep 1916 S "M" ( L of C ) Signal Company ( E.E.F 22 Feb 1915 to 28 Mar 1920 ) Base Signal Section ( L of C ) Signal 28 Apr 1916 to 20 Dec 1917 S Company ( E.E.F ) Palestine ( L of C ) Signal Company 01 Jun 1919 to 31 Jan 1920 North Palestine ( L of C ) Signal 01 Nov 1918 to 31 Dec 1918 and Company 01 Mar 1919 to 31 Mar 1919 and 02 May 1919 to 23 May 1919

South Palestine ( L of C ) Signal 08 May 1918 to 31 Jan 1919 Company Palestine + Sinai ( L of C ) Signal 06 Feb 1920 to 27 Mar 1920 Company Sinai ( L of C ) Signal Company 17 May 1918 to 27 Dec 1918

35 1st Signal Construction Company 19 Mar 1917 to 21 Jul 1917 S 2nd Signal Construction Company 03 Mar 1917 to 30 Jun 1919 3rd Signal Construction Company 05 Apr 1917 to ? S 4th Signal Construction Company 20 Mar 1917 to ? S 5th Signal Construction Company 08 Mar 1917 to ? S Telegraph Construction Section Mil. 23 Apr 1917 to 25 Nov 1917 S Railways 1st Signal Squadron 1st Cavalry 01 Nov 1914 to 31 Jan 1916 and Division 01 Mar 1916 to 31 May 1916 and 01 Aug 1916 to 30 Sep 1916 and 01 Nov 1916 to 11 Nov 1916 and 01 Jan 1917 to 30 Sep 1917 and 01 Nov 1917 to 31 Jan 1918 and 01 Mar 1918 to 31 Jul 1919

2nd Signal Squadron 2nd Cavalry 29 Sep 1914 to 30 Jun 1918 Division 3rd Signal Squadron Sep 1914 to 29 May 1916 S 4th Signal Squadron 4th Cavalry 13 Sep 1914 to 08 Nov 1916 and Division ( was Signal Squadron 1st 01 Jun 1918 to 31 Mar 1920 Indian Cavalry Division ) 5th Signal Squadron ( was Signal 29 Dec 1914 to 30 Oct 1915 and Squadron 2nd Indian Cavalry Division 01 Jul 1916 to 16 Apr 1918 and ) 03 Nov 1918 to 30 Nov 1918 and 01 Sep 1919 to 30 Sep 1919

36 1st Signal Troop Pre - War to 02 Sep 1916 S 2nd Signal Troop ( AE ) 24 Oct 1914 to 01 Oct 1916 S 2nd Signal Troop ( RE ) Pre - War to 16 Aug 1914 S 3rd Signal Troop ( AE ) 18 Oct 1914 to 27 Feb 1916 S 3rd Signal Troop ( RE ) Pre - War to 04 Jul 1916 S 4th Signal Troop Pre - War to 14 Aug 1914 S 5th Signal Troop Pre - War to 29 Dec 1915 S 6th Signal Troop 26 Sep 1914 to 08 Oct 1914 S 7th Signal Troop 12 Sep 1914 to ? S 8th Signal Troop 23 Nov 1914 to 27 May 1916 S 1st Reserve Signal Troop 07 Jun 1915 to 23 Sep 1916 S 2nd Reserve Signal Troop Nov 1915 to ? S 2/1st N.M.M.B Signal Troop 01 Mar 1915 to 08 Mar 1916 S London Army Troops Signal Company 1908 to Apr 1917 S ( TF ) 8 Corps Heavy Artillery Signal Section 01 Aug 1916 to 25 Jun 1918

13 Corps Heavy Artillery Signal 01 Nov 1916 to 31 Dec 1917 Section 1st Heavy Artillery Signal Section 24 Jun 1917 to 26 Jan 1918 and 01 Mar 1918 to 30 Sep 1918

Signal Section Heavy Artillery HQ 06 Nov 1917 to 31 Dec 1917 and B.S.F 01 May 1918 to 25 Feb 1919

37 Signal Depot B.E.F 06 Nov 1914 to 06 Sep 1916 S Signal Base Depot E.E.F 21 Sep 1915 to 04 Oct 1916 and 06 Mar 1918 to 30 Sep 1919

Birmingham Signal Depot 24 Apr 1915 to 20 Jun 1916 S Biggleswade Signal Depot ( + list of 09 Dec 1914 to 22 Jul 1917 S sections formed at Bigglsewade depot ) Dunstable Signal Depot 01 Apr 1918 to 16 Sep 1916 S Haynes Park Signal Depot 08 Apr 1916 to ? S Hitchin Signal Depot Pre - War to 19 Sep 1916 S Army Signal School BSF and ABS 02 May 1918 to 22 Apr 1919 4th Army Signal School 16 Nov 1916 to ? S Signal Service Training Centre 08 Apr 1915 to ? S

38 Constantinople Signal Section 28 Mar 1919 and 15 Apr 1919 Mudros Signal Section 11 May 1916 to ? S Lindi Signal Company 24 Feb 1917 to 31 Mar 1918 S Kilwa Signal Company 07 Mar 1917 to 10 Dec 1917 S Syren Signal Company 01 Sep 1918 to 31 Jul 1919 Northern Signal Company ( East Africa 15 Mar 1917 to 25 Oct 1917 S ) No1 ( East Africa ) Special Signal 20 Jan 1916 to Dec 1916 S Company Signal Company RE Western Fronteer 01 Apr 1916 to 01 Oct 1916 S Forces Chief Signal Offices Southern 09 Jul 1918 to 30 Jun 1919 Aerodromes C.S.O Peace Conference Signal ( 01 Dec 1918 to 31 Mar 1919 Central Area L of C ) "L" Signal Battalion G.H.Q 04 Oct 1918 to 30 Nov 1918 and Detachment Jan 1919 to Mar 1919 Railway Telegraph Company B.S.F 27 Oct 1918 to 28 Mar 1919

39 1 Airline Section Pre - War to 13 Oct 1916 S 2 Airline Section Pre - War to 04 Dec 1916 S 3 Airline Section Pre - War to ? S 4 Airline Section Pre - War to 27 Aug 1916 S G5 Airline Section Pre - War to 23 Dec 1915 S W6 Motor Airline Section 06 Aug 1914 to 28 Oct 1914 S W7 Motor Airline Section 14 Oct 1914 to 10 Nov 1916 S L8 Motor Airline Section 1908 to Jan 1915 S N9 Airline Section Sep 1914 to 06 Nov 1914 S S10 Motor Airline Section Pre - War to 10 Nov 1914 S L11 Motor Airline Section 26 Dec 1914 to Aug 1916 S N12 Motor Airline Section 24 Feb 1915 to 15 Feb 1916 S G13 Motor Airline Section 08 Mar 1915 to 31 Apr 1916 S N14 Motor Airline Section Mar 1915 to 07 Feb 1916 S L16 Motor Airline Section 04 Nov 1914 to 21 Feb 1916 S L17 Motor Airline Section ? To Apr 1917 S W18 Motor Airline Section 01 Feb 1918 to 18 Jul 1915 S W19 Motor Airline Section Jan 1915 to 14 Jul 1917 S S20 Airline Section ? To 18 Jul 1915 S 21 Airline Section 07 Jun 1915 to 04 Oct 1916 S 23 Airline Section 02 Jul 1915 to 06 Feb 1916 S 24 Airline Section Jul 1915 to 06 Jun 1916 S 25 Airline Section Jun 1915 to 15 Feb 1919 S 26 Motor Airline Section 01 Jan 1915 to 02 Sep 1916 S 27 Motor Airline Section 06 Feb 1915 to 02 Sep 1915 S 29 Motor Airline Section 05 Mar 1915 to 14 Sep 1915 S 30 Airline Section Jan 1915 to 22 Feb 1915 S 31 Airline Section Mar 1915 to 13 Sep 1915 S 32 Airline Section 03 Apr 1915 to 06 Oct 1915 S 34 Motor Airline Section 20 May 1915 to 03 Oct 1915 35 Motor Airline Section Mar 1915 to 19 Sep 1916 36 Motor Airline Section 05 Apr 1915 to 18 Aug 1916 37 Motor Airline Section 14 Sep 1915 to 06 May 1916 39 Motor Airline Section 20 Oct 1915 to 17 Oct 1916 40 Motor Airline Section 12 Oct 1915 to 14 Jan 1916 41 Motor Airline Section Oct 1915 to 18 Oct 1916 42 Airline Section 07 Sep 1915 to 16 Jan 1917 43 Airline Section 19 Jan 1916 to 23 Aug 1916 44 Motor Airline Section 20 Nov 1915 to 05 Oct 1916 45 Motor Airline Section 11 Nov 1915 to 22 Jan 1916 S 46 Motor Airline Section Dec 1915 to Feb 1916 S 47 Motor Airline Section 24 Dec 1915 to 20 Sep 1916 S 48 Motor Airline Section 16 Dec 1915 to 08 Mar 1916 and 01 Jul 1916 to 28 Feb 1917 and 01 Jun 1917 to 31 May 1918

49 Motor Airline Section Dec 1915 to 22 Mar 1916 S 51 Motor Airline Section ( part of XV Corps Signal Company ) 52 Motor Airline Section 09 Feb 1916 to 16 Jun 1916 S 53 Motor Airline Section 10 Feb 1916 to 01 Jul 1916 S 54 Motor Airline Section 17 Mar 1916 to 17 Jun 1916 S 55 Motor Airline Section 28 Mar 1916 to 22 Aug 1916 S 56 Motor Airline Section 14 Sep 1915 to 14 Sep 1916 S 58 Motor Airline Section 10 Jun 1916 to 29 Jul 1916 S 59 Motor Airline Section Jun 1916 to 30 Jul 1916 S 60 Motor Airline Section 04 Jun 1916 to 21 Sep 1916 S 61 Motor Airline Section Jun 1916 to 05 Jan 1918 S 62 Motor Airline Section 06 Sep 1916 to 09 Jan 1917 S 64 Motor Airline Section 20 Oct 1916 to 11 Sep 1917 S 65 Motor Airline Section 25 Oct 1916 to 12 Jan 1917 S 66 Motor Airline Section 24 Nov 1916 to 11 Jun 1917 S 78 Motor Airline Section 01 Mar 1918 to 30 Apr 1918 100 Motor Airline Section 25 Jun 1916 to 18 Dec 1916 S

40 AA Cable Section 03 Apr 1915 to 11 Dec 1917 S AB Cable Section Apr 1915 to 06 Jan 1916 S AC Cable Section 14 May 1915 to 20 Aug 1916 S AD Cable Section 10 Jul 1915 to 08 Aug 1916 S AE Cable Section 25 Jul 1915 to 09 Oct 1915 S AF Cable Section 20 Jul 1915 to 25 Sep 1915 S AG Cable Section 12 May 1915 to Feb 1916 S AJ Cable Section 28 Jul 1915 to 03 Sep 1916 S AK Cable Section 03 Aug 1915 to 28 Aug 1916 S AL Cable Section 03 Aug 1915 to 15 Nov 1915 S AM Cable Section 08 Aug 1915 to 26 Aug 1916 S AN Cable Section 07 Aug 1915 to 05 Apr 1916 S AO Cable Section 23 Aug 1915 to 19 Apr 1917 S AP Cable Section Sep 1915 to 10 Jan 1916 S AQ Cable Section 07 Sep 1915 to 22 Jan 1916 S AR Cable Section 16 Sep 1915 to 03 Feb 1916 S AS Cable Section 16 Sep 1915 to 30 Sep 1916 AT Cable Section 17 Sep 1915 to 28 Jul 1916 AU Cable Section 19 Sep 1915 to 17 Sep 1916 AV Cable Section 01 Oct 1915 to 03 Oct 1916 AW Cable Section 18 Oct 1915 to 12 Sep 1916 AX Cable Section 20 Oct 1915 to 24 Mar 1916 AZ Cable Section 10 Dec 1915 to 13 Apr 1916 BA Cable Section 29 Apr 1916 to 31 May 1916 and S 16 Apr 1918 to 22 May 1918

BB Cable Section Dec 1914 to May 1915 S BD Cable Section 21 Jan 1916 to 22 May 1916 S BJ Cable Section 01 Jun 1918 to 29 Jun 1918 and 07 Oct 1918 to 05 Dec 1918

BK Cable Section 15 Feb 1915 to 07 Jun 1915 S BL Cable Section 16 Feb 1916 to 18 Oct 1916 S BM Cable Section 12 Mar 1916 to 20 Aug 1916 S BN Cable Section 07 May 1916 to 26 Jun 1916 S BO Cable Section 07 May 1916 to 27 Jun 1916 S BP Cable Section 07 May 1916 to 06 Aug 1916 S BQ Cable Section May 1916 to 13 Jan 1917 S BR Cable Section 05 Jun 1916 to 15 Oct 1916 S BS Cable Section 10 Jun 1916 to 08 Dec 1916 S BT Cable Section 07 Jul 1916 to 08 Oct 1917 S BX Cable Section 25 Sep 1916 to Dec 1917 S BY Cable Section 19 Oct 1916 to Dec 1917 S BZ Cable Section 22 Dec 1916 to 02 Feb 1918 S CC Cable Section Jan 1915 to 18 Sep 1916 S DD Cable Section 01 Mar 1915 to 28 Dec 1915 S EE Cable Section 05 Aug 1914 to 06 Apr 1916 S F Cable Section 05 Aug 1914 to 16 Sep 1916 S FF Cable Section Apr 1915 to 25 Jun 1916 S G Cable Section Pre - War to 12 Aug 1914 S GG Cable Section Jan 1915 to 12 Mar 1916 and 01 S Jul 1916 to 28 Feb 1917 GQ Cable Section Apr 1915 to 06 May 1915 S GY Cable Section 12 Jan 1915 to 21 Nov 1915 S H Cable Section 1914 to 15 Sep 1916 S HH Cable Section Feb 1915 to Dec 1915 S J Cable Section Pre - War to 12 Aug 1914 S JJ Cable Section 18 Feb 1915 to 31 May 1915 S K Cable Section Pre - War to 12 Aug 1914 S L Cable Section 01 Jan 1916 to 31 Jan 1916 and 01 Nov 1916 to 31 Dec 1916 and 01 Feb 1917 to 28 Feb 1917

LC Cable Section 01 Mar 1915 to 22 Mar 1916 S LL Cable Section 05 Feb 1915 to Feb 1916 S LZ Cable Section Dec 1914 to Mar 1915 S M Cable Section Pre - War to 14 Sep 1916 S MM Cable Section Mar 1915 to 08 Jul 1915 S N Cable Section Pre - War to 13 Aug 1914 S NA Cable Section Aug 1911 to 16 May 1917 S NB Cable Section Pre - War to 30 Jul 1916 S NN Cable Section 22 Jun 1915 to 28 Sep 1916 S NU Cable Section Pre - War to 19 Jan 1915 S O Cable Section Pre - War to 13 Aug 1914 S OO Cable Section 21 Mar 1915 to 16 Aug 1916 S P Cable Section 05 Aug 1914 to 15 Aug 1914 S PP Cable Section 19 Apr 1915 to 24 Jul 1915 S QQ Cable Section 12 Apr 1915 to 19 Jul 1915 S R Cable Section 09 Sep 1914 to 28 Dec 1917 S RR Cable Section Apr 1915 to 19 Jul 1915 S SP Cable Section May 1915 to 15 Aug 1916 S SS Cable Section 15 Jul 1915 to 21 Jul 1915 S SV Cable Section 26 Dec 1914 to 07 Jun 1917 S SX Cable Section Dec 1914 to 23 Mar 1916 S UU Cable Section 14 May 1915 to 16 Apr 1916 S VV Cable Section 07 Aug 1915 to 07 Aug 1916 S WE Cable Section Feb 1915 to 16 Apr 1915 S WS Cable Section 01 Oct 1914 to 28 Oct 1914 and S 01 Aug 1916 to 28 Feb 1917 WT Cable Section 05 Aug 1914 to 26 Oct 1914 S WW Cable Section 16 Jan 1915 to 08 Jul 1916 S XX Cable Section 21 Jul 1915 to 13 Sep 1916 S YY Cable Section 14 May 1915 to 02 Sep 1915 S ZZ Cable Section 01 May 1915 to 15 Sep 1917 S Wireless Training Centre ( Including 15 Apr 1915 to 03 Oct 1916 S lists of all units raised there ) 5 Wagon Wireless Section 28 Sep 1915 to 30 Oct 1916 S 6 Wagon Wireless Section Oct 1915 to 03 Oct 1916 S 6 Pack Wireless Section 24 Jan 1916 to 19 Apr 1917 S 6 Corps Wireless Section 06 Mar 1916 to Apr 1917 S 7 Pack Wireless Section 24 Jan 1916 to 04 Jul 1916 S 8 Pack Wireless Section 05 Mar 1916 to 21 May 1916 S 9 Wagon Wireless Section 06 Nov 1916 to 14 Sep 1917 S 10 Pack Wireless Section 03 Oct 1916 to 20 Feb 1918 S 11 Pack Wireless Section Jul 1916 to 11 Jun 1917 S 21 Pack W/T Section 27 Dec 1916 to 05 Sep 1917 S "B" Corps Wireless Section Sep 1916 to 27 May 1917 S "M" Corps Wireless Section Dec 1916 to 03 Sep 1917 S XVII Corps Wireless Section Apr 1917 S Base Wireless Section Salonika army 27 Feb 1916 to 18 May 1916 S

Special Wireless Section Egypt Apr 1916 to 05 Oct 1916 S Military Wireless In Egypt Nov 1914 to 19 Mar 1916 S Southern Motor Wireless Section ( 14 Oct 1914 to 17 Jan 1916 S EEF ) Northern Wagon Wireless Section ( Pre - War to 18 Oct 1916 S EEF ) 2nd London Wireless Signal Section Feb 1915 to 23 Jan 1916 S Army Wireless Station Devizes Apr 1915 to 03 Apr 1916 S

41 1 Base Park Company 23 Jun 1915 to 31Dec 1915 and 01 Feb 1916 to 30 Sep 1916 1 Works Company 15 Mar 1915 to 31 Dec 1916 1 Lowland Field Company 1908 to 09 Nov 1915 and 20 Nov S 1915 to 10 Jan 1917 2nd Field Company 05 Nov 1914 to 31 Dec 1916 and 01 Jan 1917 to 20 Apr 1919 2 Works Company 23 Jul 1916 to 10 Aug 1917 S 3 Works Company 12 Apr 1917 to ? S

42 4 Engineer Field Park Company 01 Jul 1916 to 31 Aug 1916 5th Field Company ( Typescript edition 04 Aug 1914 to 03 Jul 1919 )

43 7th Field Company 05 Aug 1914 to 31 May 1919 9th Field Company 01 Apr 1916 to 10 May 1919 11th Field Company 16 Oct 1914 to 31 May 1917 and 01 Jul 1917 to 31 May 1919 12th Field Company 04 Aug 1914 to 30 Nov 1917 and 07 Mar 1918 to 31 May 1919

44 13 Base Park Company 29 Jan 1916 to 30 Sep 1916 and 01 Nov 1916 to 29 Feb 1920

14 Army Troop Company 06 Mar 1916 to 31 May 1919

45 15 Field Company 10 Sep 1914 to 30 Sep 1918 and M 01 Nov 1918 to 20 Apr 1919 22 Works company 28 Jul 1918 to 01 Aug 1919 23 Field Company 01 Nov 1914 to 31 Mar 1919 and 01 May 1919 to 30 May 1919

24 Base Park Company 01 Sep 1915 to 31 Jan 1916 25 Army Troop Company ( was 25 13 Dec 1914 to 31 Mar 1918 Fortress Company )

46 26 Field Company 01 Feb 1915 to 30 Jun 1918 and 01 Oct 1918 to 31 May 1919

47 29 Advanced Park Company 13 Aug 1914 to 31 Dec 1916

48 29 GHQ Troop Company 01 Jan 1917 to 31 Jul 1919

49 31 Army Troop Company 12 Dec 1914 to 31 Oct 1918 35 Army Troop Company 02 Jan 1917 to 31 May 1919

50 38 Field Company 05 Aug 1914 to 28 Apr 1919 42 Army Troop Company 29 Jul 1914 to 31 Aug 1918 and 01 Mar 1920 to 31 Mar 1920 46 Base Park Company 01 Feb 1918 to 30 Jun 1919 47 Base Park Company 14 Apr 1916 to 12 Sep 1916

51 50 Field Searchlight Company 01 Feb 1919 to 28 Feb 1919 54 Field Company 04 Aug 1914 to 02 Mar 1919 55 Field Company 21 Aug 1914 to 30 Apr 1919 and 16 Aug 1919 to 11 Oct 1919 and 18 Dec 1919 to 30 Aug 1920

56 Field Company 01 Oct 1915 to 07 Jun 1919 57 Field Company 04 Aug 1914 to 31 Mar 1916 and 01 May 1916 to 01 Jul 1916 and 01 Mar 1919 to 31 Mar 1919 and 01 Jun 1919 to 20 Jun 1919

52 59 Field Company 04 Aug 1914 to 27 Apr 1919 61 Field Company Aug 1914 to 31 Jan 1919 62 Field Company 20 May 1915 to 31 Mar 1919 and 01 May 1919 to 16 Jun 1919

63 Field Company Aug 1914 to 31 Aug 1919

53 64 Field Company 24 Aug 1914 to 30 Sep 1919 67 Field Company Sep 1914 to 18 Dec 1915 and 02 Feb 1916 to Apr 1916 and 01 Nov 1916 to 31 Jul 1918 68 Field Company Aug 1914 to 09 Jul 1919 69 Field Company 31 May 1915 to 31 May 1919 70 Field Company 05 Sep 1914 to 10 May 1919

54 71 Field Company 10 Sep 1914 to 05 Nov 1916 and S Jun 1915 to 20 Mar 1919 73 Field Company sep 1914 to 26 Jun 1919 74 Field Company Sep 1914 to 31 Dec 1918

55 75 Field Company Sep 1914 to 23 Sep 1919 76 Field Company 16 Sep 1914 to 24 Sep 1919 77 Field Company 28 Sep 1914 to 23 May 1919 78 Field Company 26 Sep 1914 to 31 Oct 1918 and 12 Dec 1918 to 23 Apr 1919

79 Field Company 27 Sep 1914 to 31 Dec 1918 and 01 Mar 1919 to 01 Jun 1919

80 Field Company Sep 1914 to 31 Jan 1918

56 81 Field Company 29 Aug 1914 to 21 May 1919 82 Field Company 15 Jul 1915 to 29 May 1919 S missing 83 Field Company Oct 1914 to 31 May 1919 84 Field Company Sep 1914 to 30 Apr 1919 and 01 Jun 1919 to 20 Jun 1919 85 Field Company 06 Oct 1914 to 13 Oct 1916 S 86 Field Company 14 Oct 1914 to 02 Jul 1919

57 87 Field Company 10 Oct 1914 to 31 May 1919 88 Field Company 04 Oct 1914 to 11 Feb 1919 89 Field Company Oct 1914 to 31 Aug 1918 and 01 Oct 1918 to 17 Jun 1919 90 Field Company 27 Sep 1914 to 30 Sep 1919 91 Field Company Oct 1914 to 31 Dec 1916 to 01 Jan 1917 to 30 Jun 1919

58 92 Field Company Oct 1914 to 03 aug 1919 93 Field Company 01 Aug 1916 to 31 Oct 1918 and 01 Dec 1918 to 31 Aug 1919

94 Field Company 17 Oct 1914 to 01 Jun 1919 95 Field Company Oct 1914 to 25 Mar 1919

59 96 Field Company 02 Aug 1915 to 29 May 1919 97 Field Company 10 Nov 1914 to 30 Jan 1915 and 01 Mar 1919 to 31 Mar 1919

98 Field Company 01 Dec 1915 to 07 Jun 1919 99 Field Company 19 Oct 1914 to 30 Nov 1915 S 100 Field Company 13 Nov 1914 to 18 Oct 1916 S 101 Field Company 17 Nov 1914 to 01 Feb 1915 and S 25 Aug 1915 to 30 Sep 1919

102 Field Company 16 Nov 1914 to 01 Feb 1915 and S 25 Aug 1915 to 31 Jul 1918 103 Field Company 21 Aug 1915 to 31 Dec 1917

60 104 Field Company 17 Nov 1914 to 30 Jun 1918 105 Field Company 26 Sep 1915 to 19 Jun 1919 106 Field Company Nov 1914 to 29 Mar 1919 107 Field Company 27 Nov 1914 to 18 Jun 1916 S 108 Field Company 01 Dec 1914 to 16 Sep 1917 S

61 121 Field Company sep 1914 to 31 Jan 1917 and 01 Mar 1917 to 13 Jun 1919 122 Field Company 04 Oct 1915 to 30 Jun 1916 and 01 Aug 1916 to 31 Aug 1916 and 01 Oct 1916 to 30 Dec 1916 and 01 Mar 1919 to 12 Jun 1919

123 Field Company 23 Nov 1914 to 31 May 1919 124 Field Company Nov 1914 to 07 Jun 1919 125 Fortress Company 01 Mar 1915 to 19 Sep 1916 S 126 Field Company 11 Sep 1915 to 22 Apr 1919

62 127 Field Company 30 Jan 1915 to 07 Apr 1916 S 128 Field Company Jan 1915 to 31 Jan 1919 129 Field Company 30 Jan 1915 to 31 Aug 1918 130 Field Company 30 Jan 1915 to 07 Oct 1917 and 01 Nov 1917 to 18 Jun 1919 131 Field Company 30 Jan 1915 to May 1917 S

63 132 Army Troop Company 20 Feb 1915 to 31 Mar 1916 and 01 May 1916 to 31 Oct 1919 133 Army Troop Company 25 Feb 1915 to 31 Mar 1916 and 01 May 1916 to 30 Jun 1918

134 Army Troop Company 23 Feb 1915 to 21 Apr 1916 S 135 Army Troop Company 27 Feb 1915 to 30 Apr 1919 136 Army Troop Company 19 Feb 1915 to 05 Sep 1916 S 137 Army Troop Company 22 Feb 1915 to 12 Nov 1915 S 138 Army Troop Company 10 Mar 1915 to 11 Jun 1916 S 139 Army Troop Company 17 Feb 1915 to 02 Apr 1917 S 140 Army Troop Company 03 Mar 1915 to 30 Apr 1917 S 141 Army Troop Company 11 Mar 1915 to 31 Mar 1917 and 01 Jun 1919 to 15 Nov 1919

142 Army Troop Company Mar 1915 to 31 Mar 1918 and 01 May 1918 to 29 Oct 1918

64 143 Army Troop Company 05 Apr 1915 to 09 Oct 1916 S 144 Army Troop Company 13 Apr 1915 to 31 Dec 1916 and 01 Jun 1917 to 23 Jun 1919

145 Army Troop Company 14 Apr 1915 to 31 Oct 1915 and 01 Jan 1916 to 08 Mar 1920 146 Army Troop Company 23 Apr 1915 to 05 Oct 1915 S 147 Army Troop Company 23 Apr 1915 to 31 Jul 1919 148 Army Troop Company 11 May 1915 to 25 Apr 1919 149 Army Troop Company 05 Oct 1915 to 14 Jul 1917 and 04 Dec 1917 to 16 Jun 1919

65 150 Field Company 05 Oct 1915 to 31 May 1919 151 Field Company 27 Jan 1915 to 07 Jun 1919 152 Field Company 21 Apr 1915 to 14 May 1919 153 Field Company 21 Apr 1915 to 21 Apr 1919

66 154 Field Company 21 Apr 1915 to 28 Aug 1918 155 Field Company 04 Aug 1915 to 25 Jun 1919 I and O 156 Field Company 29 Jul 1915 to 25 Jun 1919 157 Field Company 11 Aug 1915 to 30 Jun 1918 and 01 Aug 1918 to 31 Oct 1919

158 Field Company 28 Aug 1917 to 29 Aug 1918

67 167 Army Troop Company 15 Aug 1915 to 31 Jul 1918 168 Coast Works Company 07 Jul 1916 to 16 Sep 1916 S 169 Coast Works Company 01 Sep 1916 to 21 Sep 1916 S 170 Tunnelling Company 12 Feb 1915 to 31 May 1916 171 Tunnelling Company 28 Feb 1915 to 31 Oct 1916 172 Tunnelling Company 17 Mar 1915 to 29 Dec 1918

68 173 Tunnelling Company 22 Mar 1915 to 30 Oct 1916 174 Tunnelling Company Feb 1915 to 30 Apr 1916 and 01 Jun 1916 to 20 May 1919 175 Tunnelling Company 23 Apr 1915 to 19 Jan 1919 S 176 Tunnelling Company 20 Mar 1915 to 29 Jun 1919 and S 02 Jan 1916 to 30 Jun 1916 177 Tunnelling Company 08 May 1915 to 15 Feb 1919 and S 08 May 1915 to 31 Dec 1917

178 Tunnelling Company 03 Aug 1915 to Aug 1917 and 01 Jan 1918 to 30 Jan 1918 and 21 Mar 1918 to 31 Dec 1918 and 01 Feb 1919 to 28 Apr 1919

69 179 Tunnelling Company 02 Aug 1915 to 31 May 1919 180 Tunnelling Company 22 Aug 1915 to 28 Dec 1917 and 01 Jan 1918 to 26 May 1919

181 Tunnelling Company 24 Aug 1915 to 31 Jul 1917 182 Tunnelling Company Aug 1915 to 31 Dec 1915 and 01 Jan 1916 to 30 Jun 1916 and 01 Jan 1917 to 26 May 1919

70 183 Tunnelling Company 09 Oct 1915 to 31 Dec 1918 and 01 Jan 1919 to 31 Jan 1919 and 01 Apr 1919 to 30 Apr 1919

184 Tunnelling Company 05 Oct 1915 to 31 Dec 1916 and 01 Jan 1917 to 24 Jun 1919

185 Tunnelling Company 05 Oct 1915 to Sep 1918 S 196 Land Drainage Company 25 Sep 1915 to 19 Nov 1915 S 197 ? Company 01 Mar 1916 to 31 May 1916 198 Quarrying Company 23 Aug 1916 to 02 May 1918 S 199 Quarrying Company 22 Aug 1916 to 01 Jul 1918 S

71 200 Field Company 03 Nov 1915 to 21 May 1919 201 Field Company 02 Feb 1915 to 16 May 1919 202 Field Company 27 Feb 1915 to 31 Mar 1916 and 01 Jun 1917 to 20 Jul 1919 203 Field Company 27 Feb 1915 to 03 May 1919

72 204 Field Company 16 Mar 1915 to 29 Jan 1916 and S 01 Feb 1916 to 27 Apr 1919

205 Field Company 29 Mar 1915 to 06 Apr 1916 S 206 Field Company 01 Mar 1915 to 13 Sep 1916 and S 22 Nov 1915 to 30 Jun 1919 and 01 Dec 1919 to 31 Dec 1919 and 31 Jan 1920

73 207 Field Company Mar 1915 to Oct 1917 and 04 Jan S 1916 to 30 Apr 1916 and 01 Jun 1916 to 30 Aug 1919 208 Field Company Mar 1915 to Oct 1917 and 09 Jan S 1916 to 30 Apr 1916 and 01 Jun 1916 to 31 Jul 1919

74 209 Field Company 11 Jan 1916 to 30 Apr 1916 and 01 Jun 1916 to 31 Aug 1919 210 Field Company 18 Feb 1915 to 24 May 1919 211 Field Company 19 Feb 1915 to May 1917 and 28 S Feb 1916 to 21 May 1919 212 Field Company 11 Feb 1915 to 29 Aug 1917 and S 16 Nov 1915 to 31 Mar 1917 and 01 May 1917 to 31 Oct 1918

213 Army Troop Company Apr 1915 to 02 Oct 1916 and 31 S Oct 1917 to 31 Dec 1917 and 01 Feb 1918 to 16 Dec 1919 214 Army Troop Company 23 Mar 1915 to 20 Jan 1916 and S 22 Jan 1916 to 31 Oct 1918 215 Army Troop Company 28 Mar 1915 to 27 Sep 1916 and S 01 Oct 1917 to 31Dec 1916

75 216 Army Troop Company 30 Mar 1915 to 27 Jan 1916 and S 01 Jul 1917 to 30 Nov 1918 and 01 Jan 1919 to 30 Jun 1919

217 Army Troop Company Apr 1915 to 19 Feb 1919 218 Field Company 23 Nov 1915 to 31 Mar 1916 and 01 May 1916 to 23 Mar 1917 and 01 Aug 1917 to 13 Feb 1920

219 Field Company May 1915 to 22 Nov 1915 and 01 S Jan 1916 to 31 May 1916 and 01 Mar 1919 to 30 Apr 1919

220 Army Troop Company 05 May 1915 to 30 Apr 1919 and 01 Jun 1919 to 02 Mar 1920

76 221 Army Troop Company 08 May 1915 to 31 Dec 1918 222 Field Company 01 May 1915 to 31 Jul 1918 + Daily and weekly R

77 223 Field Company 26 Jun 1915 to 20 May 1919 + M, O and correspondence

224 Field Company 15 May 1915 to 03 Jun 1919 R 225 Field Company 17 May 1915 to 31 Aug 1917 and 01 Mar 1918 to 12 Jul 1919 226 Field Company 21 May 1915 to 31 Aug 1919 + M and Returns

78 227 Field Company 01 Jun 1915 to 17 Jul 1919 228 Field Company Jun 1915 to 31 Oct 1919 229 Field Company 28 May 1915 to 31 Jan 1919 230 Army Troop Company 13 Jun 1915 to 28 Sep 1916 S 231 Field Company Jun 1915 to 06 Dec 1917 and 01 S Jun 1919 to 30 Jun 1919 and 01 Nov 1919 to 31 Jan 1920

232 Army Troop Company 30 Jul 1915 to 08 Mar 1916 S 233 Field Company 04 May 1916 to 31 Oct 1919 79 234 Field Company 01 Aug 1915 to 31 Oct 1918 and 06 Jan 1919 to 20 Feb 1919

235 Army Troop Company 02 Oct 1915 to 08 Mar 1916 and S 01 Jul 1916 to 31 Dec 1917 and 01 Jan 1918 to 25 Jun 1919 236 Army Troop Company 16 Dec 1915 to 09 Mar 1916 S 237 Field Company 27 Oct 1915 to 31 Oct 1919

80 238 Army Troop Company 11 Nov 1915 to 31 Mar 1919 and 01 May 1919 to 12 Jun 1919

239 Army Troop Company 16 Feb 1916 to 27 Apr 1916 and S 01 Dec 1916 to 31 May 1919

247 Field Company 18 Sep 1914 to 22 Jun 1919 248 Field Company 24 Sep 1914 to 16 Jul 1916 and 01 Sep 1916 to 22 Jun 1919

81 249 Field Company 14 Ddec 1914 to 22 Jun 1919 250 Tunnelling Company 15 Oct 1915 to 31 Dec 1918 251 Tunnelling Company 27 Sep 1915 to 31 Jan 1919

82 252 Tunnelling Company 21 Oct 1915 to 31 Dec 1917 and 04 Mar 1919 to 28 Apr 1919

253 Tunnelling Company 15 Oct 1915 to 30 Jan 1918 and 20 Mar 1918 to 17 Jun 1919 254 Tunnelling Company 18 Aug 1915 to 26 May 1919 255 Tunnelling Company 04 Jan 1916 to Aug 1917 S 256 Tunnelling Company 16 Apr 1916 to 30 May 1919 257 Tunnelling Company 01 Apr 1916 to 31 Oct 1916 and 01 Jan 1918 to 30 Mar 1919 258 Tunnelling Company 16 Apr 1916 to 29 Apr 1919 Returns New Zealand Engineers Tunnelling 02 Sep 1916 to 29 Dec 1916 Field returns Company only

83 280 Army Troop Company 27 Dec 1915 to 20 May 1919 281 Army Troop Company 03 Jan 1916 to 11 Nov 1919 282 Army Troop Company 04 Jan 1916 to 20 Jun 1919 283 Army Troop Company 01 Jan 1916 to 31 Aug 1917 and 01 Oct 1917 to 31 Mar 1919 284 Army Troop Company 11 Jan 1916 to 31 Jan 1919 and 01 Jun 1919 to 24 Jun 1919

84 285 Army Troop Company 11 Jan 1916 to 10 Aug 1916 S 286 Army Troop Company 27 Jan 1916 to 19 Sep 1916 S 287 Army Troop Company 28 Jan 1916 to 12 Apr 1917 S 288 Army Troop Company 16 Sep 1916 to 18 Sep 1916 and S 01 Oct 1917 to 19 Oct 1917 and 01 Apr 1919 to 28 Aug 1919

289 Army Troop Company 05 Dec 1916 to 01 Oct 1919 290 Army Troop Company 05 Dec 1916 to 31 Jul 1918 300 Electrical and Mechanical 01 Oct 1916 to 05 Nov 1916 S Company 301 Road Construction Company Dec 1916 to 17 Jun 1918 S 302 Road Construction Company 25 Dec 1916 to 27 Jun 1918 S 303 Road Construction Company 31 Dec 1916 to 30 May 1918 S 304 Road Construction Company 07 Jan 1917 to 27 Jun 1918 S 305 Road Construction Company 12 Jan 1917 to 31 Jul 1918 S 306 Road Construction Company 15 Jan 1917 to 30 Jun 1918 S 307 Road Construction Company 10 Feb 1917 to 27 Jun 1918 S 308 Road Construction Company 17 Jan 1916 to 03 Jan 1918 S 309 Road Construction Company 25 Jan 1917 to 30 Jun 1918 S 310 Road Construction Company 31 Jan 1917 to 20 Jun 1918 S 311 Road Construction Company 21 Mar 1918 to 30 Jun 1918 S 312 Road Construction Company 04 Feb 1917 to 30 Jun 1918 S 313 Road Construction Company 23 Jan 1917 to 30 Jun 1918 S 314 Road Construction Company 17 Feb 1917 to 30 Jun 1918 S 315 Road Construction Company 01 Mar 1917 to 30 Jun 1918 S 316 Road Construction Company 21 Mar 1917 to 30 Jun 1918 S 317 Road Construction Company 10 Apr 1917 to 20 Jan 1918 S 318 Road Construction Company Apr 1918 to 30 Jun 1918 S 319 Road Construction Company 23 May 1917 to 30 Jun 1918 S 320 Quarrying Company 05 Jan 1917 to 30 Jun 1918 S 321 Quarrying Company 22 Jan 1917 to 14 May 1918 S 322 Quarrying Company 16 Feb 1917 to 30 Mar 1917 S 323 Quarrying Company 20 Feb 1917 to 16 May 1917 S 324 Quarrying Company 01 Mar 1917 to 17 Feb 1918 S 325 Quarrying Company 09 Mar 1917 to 16 Apr 1918 S 326 Quarrying Company 10 Apr 1917 to 23 May 1917 S 327 Quarrying Company May 1917 to 02 Jun 1917 S 328 Quarrying Company 01 Apr 1917 to 26 May 1918 S 329 Quarrying Company 20 May 1917 to 30 Jun 1918 S 330 Road Construction Company Jan 1917 to 30 Jun 1918 S 331 Road Construction Company 21 May 1917 to 26 Jan 1918 S 332 Road Construction Company 29 May 1917 to 30 Jun 1918 S 333 Road Construction Company 09 Feb 1917 to 21 May 1918 S 334 Road Construction Company 11 Feb 1917 to 30 Jun 1918 S 335 Road Construction Company 27 Feb 1917 to 01 Jun 1918 S 336 Road Construction Company 01 Mar 1917 to 30 Jun 1918 S 337 Road Construction Company 10 Mar 1917 to 10 Jul 1918 S 338 Road Construction Company 24 Mar 1917 to 18 Oct 1917 S 339 Road Construction Company 31 Mar 1917 to 30 Jun 1918 S 340 Road Construction Company 04 Apr 1917 to 30 Jun 1918 S 341 Road Construction Company 10 Apr 1917 to 30 Jun 1918 S 342 Road Construction Company 18 Apr 1917 to 30 Jun 1918 S 343 Road Construction Company 21 Apr 1917 to 30 Jun 1918 S 344 Road Construction Company 30 Apr 1917 to 04 Apr 1918 S 345 Road Construction Company 11 May 1917 to 30 Jun 1918 S 346 Road Construction Company 28 Aug 1917 to 01 Feb 1918 S 347 Road Construction Company 15 Sep 1917 to 21 May 1918 S 348 Quarrying Company 12 Oct 1917 to 30 Jun 1918 S

85 351 Electrical and Mechanical 09 Feb 1917 to ? S Company 352 Electrical and Mechanical 10 Jan 1917 to Jun 1917 S Company 353 Electrical and Mechanical 07 Jan 1917 to 28 Nov 1917 S Company 354 Electrical and Mechanical 27 Jan 1917 to 31 Dec 1918 Company 355 Electrical and Mechanical Jan 1917 to 25 Sep 1917 S Company 356 Electrical and Mechanical 23 Jan 1917 to 04 Aug 1917 S Company 357 Water Company 13 Mar 1918 to 28 Sep 1918 359 Water Company 01 Oct 1917 to 30 Sep 1918 360 Water Company 27 Mar 1917 to 31 Mar 1920 366 Forestry company ( Late 6 01 Jun 1917 to 27 Mar 1920 Forestry Company ) 370 Forestry company ( Late 10 07 Jun 1917 to 26 Mar 1919 Forestry Company ) 371 Forestry company ( Late 11 08 Aug 1917 to 17 Mar 1919 Forestry Company ) 384 Field Company 12 May 1919 to 30 Jun 1919 385 Field Company 10 Apr 1919 to 31 Aug 1919

86 389 Advance Park Company 13 Nov 1917 to Aug 1918 400 ( Highland ) Field Company ( Late Pre - War to 10 Apr 1919 1/1 Highland Field Company ) 401 ( Highland ) Field Company ( Late Pre - War to 21 Apr 1919 1/2 Highland Field Company ) 402 ( Highland ) Field Company 02 Oct 1915 to 20 Aug 1917 S 404 ( Highland ) Field Company ( Late Sep 1914 to 20 Apr 1919 2/2 Highland Field Company ) 405 ( Highland ) Field Company ( Late Jan 1915 to 17 Jan 1917 S 3/2 Highland Field Company )

87 406 ( Renfrew ) Field Company ( Late 05 Jun1915 to 31 Oct 1918 1/1 Renfrew Field Company ) 408 ( Highland ) Field Company Formed From: 2/1st ( Renfrew ) Field Company 25 Mar 1915 to 1917 S 2/3rd ( Highland ) Field Company 26 Feb 1916 to ? S 4/2nd ( Highland ) Field Company May 1915 to 20 Aug 1917 S 3/1st ( Highland ) Field Company Apr 1915 to Sep 1917 S

88 409 Field Company 13 Dec 1914 to 30 Sep 1919

89 410 ( Lowland ) Field Company ( Late Pre - War to 31 May 1919 1/2 Lowland Field Company ) 411 ( Lowland ) Field Company 15 Jul 1918 to 20 May 1919 412 ( Lowland ) Field Company ( Late 14 Sep 1914 to 31 Aug 1918 2/1 Lowland Field Company ) 413 ( Lowland ) Field Company ( Late Aug 1914 to 31 Mar 1916 and 01 2/2 Lowland Field Company ) Oct 1916 to 30 Nov 1917 and 01 Apr 1918 to 31 Mar 1919 415 ( Lowland ) Field Company ( Late 30 Mar 1915 to 07 Dec 1917 S 3/2 Lowland Field Company )

90 416 ( City of Edinburgh ) Field 17 Apr 1915 to 20 May 1919 Company ( Late 1/1 City of Edinburgh Field Company ) 418 ( Lowland ) Field Company from: 2/1 City of Edinburgh Field Company 11 Nov 1914 to 02 Aug 1917 S 2/3 Lowland Field Company 24 Sep 1915 to Sep 1916 S 4/2 Lowland Field Company 30 Oct 1915 to 26 May 1917 S 419 ( West Lancashire ) Field Pre - War to 10 Sep 1916 and 01 D Company ( Late 1/1 West Lancashire Jun 1917 to 31 Aug 1918 Field Company ) 420 ( West Lancashire ) Field Pre - War to 10 Sep 1917 S Company ( Late 1/2 West Lancashire Field Company )

91 421 ( West Lancashire ) Field Jun 1915 to 19 Jun 1919 Field returns Company 422 ( West Lancashire ) Field 31 Aug 1914 to 14 Jan 1916 and S Company ( Late 2/1 West Lancashire 14 Jan 1916 to 31 Mar 1916 and Field Company ) 01 Aug 1916 to 29 Jun 1919

423 ( West Lancashire ) Field 13 Nov 1914 to 28 Feb 1917 and Company ( Late 2/2 West Lancashire 01 Apr 1917 to 24 Jun 1919 Field Company ) 426 ( West Lancashire ) Field 01 Jan 1917 to 13 Dec 1917 S Company

92 427 ( East Lancashire ) Field 09 Oct 1914 to 31 Dec 1918 Company ( Late 1/1 East Lancashire Field Company ) 428 ( East Lancashire ) Field Pre - War to 31 Mar 1919 Company ( Late 1/2 East Lancashire Field Company ) 429 ( East Lancashire ) Field 02 Dec 1915 to 29 Mar 1919 Company ( Late 1/3 East Lancashire Field Company )

93 430 Field Company Sep 1914 to 24 Apr 1919 Field returns Works R and O

94 431 ( East Lancashire ) Field 09 Sep 1914 to 31 Dec 1918 and R Company ( Late 2/2 East Lancashire 01 May 1919 to 13 Jun 1919 Field Company ) 432 Field Company 08 Jan 1916 to 13 Jun 1919 R and Works R

95 436 ( Welsh ) Field Company ( Late Pre - War to 31 Oct 1915 and 01 1/1 Welsh Field Company ) Dec 1915 to 31 May 1916 and 01 Aug 1916 to 31 May 1919

437 ( Welsh ) Field Company ( Late 28 Sep 1914 to 30 Nov 1918 2/1 Welsh Field Company ) 438 ( Cheshire ) Field Company ( Late Pre - War to 31 May 1916 and 01 1/1 Cheshire Field Company ) Jul 1916 to 31 Aug 1918 439 ( Cheshire ) Field Company ( Late Sep 1914 to 27 Jun 1919 2/1 Cheshire Field Company ) 440 ( Cheshire ) Field Company ( Late Dec 1914 to 04 Aug 1917 S 3/1 Cheshire Field Company ) 441 ( Glamorgan ) Field Company 29 Nov 1915 to 29 Dec 1917 S 442 ( Glamorgan ) Field Company 29 Nov 1915 to ? S 445 ( Welsh ) Reserves Field 01 Jan 1917 to ? S Company T.A

96 446 ( Northumbrian ) Field Company ( 18 Jan 1915 to 30 Nov 1917 1/1 Northumbrian Field Company ) 447 ( Northumbrian ) Field Company ( Pre - War to 31 Dec 1917 and 01 1/2 Northumbrian Field Company ) Feb 1918 to 28 Feb 1918 and 01 May 1918 to 31 May 1919

448 ( Northumbrian ) Field Company ( 27 Sep 1915 to 31 Dec 1915 and 1/3 Northumbrian Field Company ) 01 May 1916 to 27 Jul 1916 and 17 Sep 1916 to 30 Apr 1917 and Oct 1917 to Mar 1918 449 ( Northumbrian ) Field Company ( 09 Sep 1914 to 30 Jun 1916 and 2/1 Northumbrian Field Company ) 01 Dec 1916 to 30 Sep 1918 and 01 Nov 1918 to 31 Dec 1919

450 ( Northumbrian ) Field Company ( 17 Sep 1916 to 27 Mar 1919 2/2 Northumbrian Field Company )

97 451 ( Northumbrian ) Field Company 17 Jan 1915 to 28 Feb 1919 454 ( Northumbrian ) Reserve Field 01 Jan 1917 to 04 Dec 1917 S Company 455 ( West Riding ) Field Company Pre - War to 21 May 1915 and 01 Jul 1915 to 31 Jan 1917 and 01 Mar 1917 to 31 Jul 1917 and 01 Oct 1917 to 28 Oct 1919 456 ( West Riding ) Field Company Pre - War to 31 May 1919 457 ( West Riding ) Field Company 10 Jan 1917 to 31 Jul 1919

98 458 ( West Riding ) Field Company ( 12 Feb 1915 to 21 Jun 1915 and S 2/1 West Riding Field Company ) 17 Jun 1915 to 21 Jan 1916 and 01 Apr 1916 to 31 Dec 1916 and 01 Feb 1917 to 28 Feb 1917 and 01 Apr 1917 to 30 Sep 1918 and 01 Mar 1919 to 31 Mar 1919

459 ( West Riding ) Field Company ( 28 Feb 1915 to 02 Aug 1916 and S 2/2 West Riding Field Company ) 08 Oct 1915 to 01 Sep 1919

460 ( West Riding ) Field Company ( Aug 1915 to Nov 1917 and 01 S 2/3 West Riding Field Company ) Feb 1917 to 31 Jul 1919 461 ( West Riding ) Field Company ( 08 Jan 1917 to 31 Jan 1919 and 3/1 West Riding Field Company ) 01 Mar 1919 to 31 Jul 1919 464 ( West Riding ) Field Company 16 Nov 1914 to 31 Dec 1915 and S 01 Jan 1917 to 26 Feb 1917

99 465 ( North Midland ) Field Company ( Pre - War to 30 Nov 1914 and 01 1/1 North Midland Field Company ) Jan 1915 to 31 Aug 1918 466 ( North Midland ) Field Company ( Pre - War to 31 May 1918 and 01 1/2 North Midland Field Company ) Jan 1919 to 19 Jun 1919 467 ( North Midland ) Field Company ( Oct 1918 to 31 Dec 1917 and 11 S 1/3 North Midland Field Company ) Mar 1916 to 01 Jun 1916 and 02 Feb 1917 to 16 Jul 1919 100 468 ( North Midland ) Field Company ( 16 Dec 1914 to Jul 1917 and 01 S 2/1 North Midland Field Company ) May 1915 to 31 Mar 1919 and 01 May 1919 to 16 Jul 1919 469 ( North Midland ) Field Company ( Dec 1914 to Dec 1917 and 10 S 2/2 North Midland Field Company ) Aug 1915 to 31 Mar 1916 and 17 Feb 1917 to 27 Jun 1919 470 ( North Midland ) Field Company ( 20 Jan 1915 to 15 Aug 1915 and 3/1 North Midland and 1 North Midland 02 Nov 1915 to 30 Mar 1916 and Field Company ) 01 Mar 1917 to 16 Jul 1919

473 ( North Midland ) Reserve Field Jul 1915 to Jan 1917 S and NR Company ( 3rd Line North Midland Division ) 474 ( South Midland ) Field Company ( Pre - War to 28 Feb 1915 and 01 1/1 South Midland Field Company ) May 1915 to 23 Mar 1919

101 475 ( South Midland ) Field Company ( Apr 1908 to 27 Aug 1916 and 01 S 1/2 South Midland Field Company ) Jan 1917 to 23 Mar 1919

476 ( South Midland ) Field Company ( 09 Aug 1915 to 22 May 1916 and S 1/3 South Midland Field Company ) 24 May 1916 to 30 Jun 1917 and 01 Aug 1917 to 30 Apr 1918

102 476 ( South Midland ) Field Company 01 May 1918 to 21 Aug 1919

477 ( South Midland ) Field Company ( 27 Nov 1914 to 10 Jun 1915 and S 2/1 South Midland Field Company ) 05 Jun 1915 to 23 Mar 1919

103 478 ( South Midland ) Field Company ( 27 Nov 1914 to 23 May 1916 and S 2/2 South Midland Field Company ) 23 May 1916 to 30 Jun 1916 and 01 Aug 1916 to 31 Jul 1919

104 479 ( South Midland ) Field Company ( Feb 1915 to 22 May 1916 and 22 S 3/1 South Midland Field Company ) May 1916 to 30 Jun 1916 and 01 Oct 1916 to 31 Oct 1917

105 479 ( South Midland ) Field Company 01 Nov 1917 to 31 Jan 1918 and 01 Apr 1918 to 30 Jun 1918 and 01 Aug 1918 to 31 Jul 1919

106 482 ( South Midland ) Reserve Field 01 Jan 1917 to ? S Company 483 ( East Anglian ) Field Company ( Pre - War to 24 Dec 1914 and 23 S 1/1 East Anglian Field Company ) Dec 1914 to 31 May 1915 and 01 Jan 1919 to 31 Aug 1919

484 ( East Anglian ) Field Company ( Pre - War to 31 Mar 1916 and 18 1/2 East Anglian Field Company ) Sep 1916 to 31 May 1919 485 ( East Anglian ) Field Company ( Jul 1915 to ? S and HO 1/3 East Anglian Field Company ) ( Territorial ) 486 ( East Anglian ) Field Company ( 16 Aug 1915 to 17 Jun 1919 S 2/1 East Anglian Field Company ) 487 ( East Anglian ) Field Company ( Sep 1914 to 13 Apr 1917 S and HO 2/2 East Anglian Field Company ) 489 ( East Anglian ) Reserve Field 15 Jan 1915 to 06 Aug 1917 S Company 490 ( Home Counties ) Field Company Pre - War to 22 Dec 1914 and 01 S ( 1/1 Home Counties Field Company ) Mar 1916 to 30 Sep 1917 and 01 May 1918 to 07 May 1919

107 491 ( Home Counties ) Field Company Pre - War to 31 Mar 1919

492 ( Home Counties ) Field Company 21 Aug 1915 to 07 Oct 1917 and S 27 Sep 1918 to 31 Mar 1919 and 01 May 1919 to 31 Jul 1919

494 ( Home Counties ) Field Company Jan 1915 to 01 Oct 1916 S and HO ( 2/2 Home Counties Field Company )

495 ( Kent ) Field Company ( 1/1 Kent 11 Jun 1915 to 01 Jul 1916 and S Field Company ) 01 Apr 1918 to 28 Feb 1919 496 ( Kent ) Field Company ( 1/2 Kent 1908 to 15 Mar 1916 and 01 Apr S Field Company ) 1918 to 30 Mar 1919 497 ( Kent ) Field Company ( 1/3 Kent 11 Jun 1915 to 29 Oct 1916 and S Field Company ) 01 Dec 1917 to 20 Oct 1919 499 ( Home Counties ) Reserve Field 01 Jan 1917 to ? S Company 500 ( Wessex ) Field Company ( 1/1 Pre - War to 19 Oct 1916 S Wessex Field Company ) ( Territorial Force ) 501 ( Wessex ) Field Company ( 2/2 Apr 1908 to 27 Jan 1917 S Wessex Field Company )

108 502 ( Wessex ) Field Company 22 Sep 1915 to 26 Oct 1917 and S 01 Feb 1917 to 28 Feb 1918 and 01 Jun 1918 to 10 Jun 1919

503 ( Wessex ) Field Company 19 Feb 1916 to 01 Dec 1917 and S 07 Aug 1917 to 23 Jun 1919

504 Field Company 19 Feb 1916 to 01 Dec 1917 and S 02 Feb 1917 to 20 Jun 1919

505 ( Wessex ) Field Company ( 2/3 12 Aug 1915 to 12 Feb 1917 and S Wessex Field Company ) 13 Feb 1917 to 31 Jan 1919

506 ( Hampshire ) Field Company ( 23 Apr 1915 to Apr 1917 S 1/7 Hampshire Field Company ) 508 ( Wessex ) Reserve Field 01 Jan 1917 to 07 Aug 1917 S Company 509 Field Company 09 Dec 1914 to 31 Oct 1915 and 01 Mar 1916 to 30 Aug 1919 109 510 ( London ) Field Company ( 1/2 Pre - War to 05 Dec 1917 and 31 S London Field Company ) Aug 1914 to 22 Mar 1915 and 01 Dec 1917 to 29 Jun 1919

511 ( London ) Field Company 26 Jan 1917 to 31 May 1919 512 ( London ) Field Company ( 2/1 26 Sep 1914 to 26 May 1919 London Field Company ) 513 ( London ) Field Company ( 2/2 Nov 1914 to 31 Dec 1915 and 01 London Field Company ) Feb 1916 to 30 Jun 1918 516 ( London ) Reserve Field 02 Mar 1915 to 15 Dec 1917 S and HO Company 517 ( London ) Field Company ( 1/3 01 Oct 1908 to 20 Sep 1916 and S London Field Company ) 01 Feb 1915 to 30 Nov 1916 and 01 Mar 1919 to 12 May 1919

110 518 ( London ) Field Company ( 1/4 Pre - War to 31 Oct 1915 and 13 S London Field Company ) Mar 1915 to 31 Dec 1916 and 01 Feb 1917 to 31 Mar 1917

519 ( London ) Field Company ( 1/6 17 Jul 1915 to 23 Jun 1916 and S London Field Company ) 01 Jul 1917 to 31 Oct 1917 and 01 Feb 1918 to 21 Jun 1919 520 ( London ) Field Company ( 2/3 26 Sep 1914 to 08 Sep 1916 and S London Field Company ) 22 Jun 1915 to 30 Apr 1918

111 521 ( London ) Field Company ( 2/4 Sep 1914 to 30 Jun 1916 and 22 S London Field Company ) Jun 1916 to 09 Nov 1916 522 ( London ) Field Company ( 3/3 Feb 1915 to 22 Jun 1916 and 01 S London Field Company ) Jul 1918 to 31 Dec 1919 525 ( London ) Reserve Field 14 Jul 1915 to 15 Sep 1915 S Company 526 Durham Field Company 09 Apr 1915 to 11 Jun 1919

112 527 Durham Field Company May 1915 to 17 Apr 1919

113 528 ( Durham ) Field Company ( 1/3 Pre - War to 29 Jan 1916 S Durham Field Company ) 529 ( East Riding ) Field Company ( 16 Apr 1915 to 17 Sep 1915 and S and R 1/1 East Riding Field Company ) 21 Aug 1918 to 10 Nov 1918

530 ( Durham ) Reserve Field 01 Jan 1917 to 02 Dec 1917 S Company 546 ( Kent ) Field Company ( 1/6 Kent dec 1914 to Nov 1916 and 14 S Fortress ) May 1918 to 04 Jun 1919 547 Kent Field Company 22 Jun 1918 to 04 Jun 1919 548 Dundee Field Company 29 Jun 1918 to 21 Aug 1919 549 ( Lancashire ) Field Company ( 15 Dec 1916 to 09 Nov 1917 and S 2/3 Lancashire Field Company ) 23 Jun 1918 to 30 Apr 1919 550 ( Glamorgan ) Field Company ( 12 Nov 1916 to 31 Oct 1917 and S 2/1 and 72 Glamorgan Field Company 23 Jun 1918 to 20 May 1919 ) 551 ( Glamorgan ) Field Company Nov 1917 to ? S 552 Army Troop Company ( 1st Line Pre - War to 14 Sep 1916 and 14 S City of Aberdeen ) Feb 1917 to 31 Jan 1920 553 Aberdeen Works Company 1915 to ? S 554 Army Troop Company ( 1/1 City of 23 Jun 1915 to 30 Sep 1918 and Dundee ) 01 Nov 1918 to 18 Jun 1919

114 555 Army Troop Company ( 1/3 Pre - War to 07 Feb 1916 and 10 S Lancashire ) Sep 1915 to 20 Sep 1916 and 01 Aug 1918 to 31 Jan 1919

556 Army Troop Company ( 1/1 28 Dec 1914 to 29 Feb 1916 Glamorgan ) 557 Army Troop Company ( 1/2 Pre - War to 23 Aug 1916 and 01 S Glamorgan ) Nov 1918 to 30 Nov 1918 558 Glamorgan Works Company 07 Oct 1916 to 25 Oct 1916 S 559 Army Troop Company ( 1/1 Pre - War to 09 Sep 1916 S Hampshire ) 560 Army Troop Company ( 1/2 Pre - War to 17 Mar 1915 S Hampshire ) 561 Army Troop Company ( 2/1 ? To 03 Dec 1917 S Hampshire ) 562 Hampshire Works Company ( 2/2 Oct 1914 to 17 Dec 1917 S Hampshire ) 563 Hampshire Works Company 1910 to 1915 S 565 Wiltshire Army Troop Company ( 01 Apr 1908 to 08 Sep 1917 and S and D 1/1 Wiltshire ) 10 Mar 1915 to Aug 1917 and 02 Dec 1917 to 30 Sep 1918

115 566 Wiltshire Works Company ( 2/1 Jan 1916 to Jan 1917 S Wiltshire ) 567 Devon Army Troop Company ( 1/1 31 Oct 1914 to 23 Jun 1915 and S Devon ) 23 Jun 1915 to 23 Sep 1919 568 Devon Army Troop Company ( 1/2 Jan and Mar 1915 and Nov 1916 Devon ) to Dec 1916 and 12 Mar 1917 to 11 Jun 1919 569 Devon Army Troop Company ( 1/3 15 Apr 1915 to 31 Jan 1916 and S Devon ) 17 Oct 1915 to 08 Jul 1919 570 Devon Army Troop Company ( 2/1 01 Feb 1915 to 26 Sep 1917 and S Devon ) 20 Oct 1917 to 30 Apr 1919 and 01 Jun 1919 to 29 Feb 1920

116 571 Devon Army Troop Company 29 Aug 1917 to 30 Oct 1919 572 Devon Works Company ( 2/3 01 Apr 1908 to 01 Feb 1917 S Devon ( F ) ) 573 Cornwall Army Troop Company ( 08 Aug 1918 to 13 Aug 1915 and S 2/2 Cornwall ) 01 Sep 1915 to 30 Sep 1915 and 01 Apr 1919 to 19 Dec 1919

574 Cornwall Army Troop Company ( Pre - War to 1917 S 1/3 Cornwall ) 575 Cornwall Works Company ( 3/2 Oct 1914 to 01 Feb 1917 S Cornwall ) 577 Sussex Army Troop Company ( Pre - War to 17 Jul 1915 S 1/1 Sussex ) 578 Sussex Works Company ( 2/2 03 Oct 1914 to 21 Jan 1915 and Sussex ) 24 Aug 1918 to 24 Jul 1919 579 Kent Works Company ( 2/6 Kent ) 01 Jan 1915 to 02 Aug 1917 S

598 Kent Works Company ( 2/4 Kent Aug 1916 S Fortress ) 640 Lowland Field Company ( 1 07 sep 1915 to May 1916 S Provisional Brigade ) 641 Northumbrian Field Company ( 2 28 Aug 1915 to 12 Aug 1917 S Provisional Brigade ) 642 London Field Company ( 3 28 Nov 1915 to 03 Dec 1917 S Provisional Brigade ) 643 East Anglian Field Company ( 4 Nov 1915 to Jan 1917 S Provisional Brigade ) 644 North Midland Field Company ( 5 Oct 1915 to 07 Aug 1917 S Provisional Brigade ) 645 West Lancashire Field Company ( 01 Jan 1917 to 02 Aug 1917 S 6 Provisional Brigade ) 646 London Field Company ( 7 08 Aug 1915 to 11 Aug 1917 S Provisional Brigade ) 647 South Midland Field Company ( 2 Nov 1917 to ? S South Midland ) 648 Field Company 22 Jun 1918 to 05 Jun 1919 649 West Riding Field Company May 1915 to 09 Dec 1917 S 919 Area Employment Company ( 07 Oct 1917 to 30 Nov 1917 Artizan ) 1504 Artizan Works Company 15 Apr 1917 to 10 Jun 1917 S 1506 Artizan Works Company 06 Jun 1917 to 30 Nov 1917

117 1 Field Squadron 04 Aug 1914 to 31 Dec 1918 2 Field Squadron 04 Aug 1914 to 30 May 1919 3 Field Squadron 16 Sep 1914 to 22 May 1919 4 Field Squadron ( Late 1st Indian 07 Nov 1914 to 30 Nov 1916 Field Squadron ) 4 Field Squadron ( Late Yeovil Division 01 Jul 1917 to 31 Jul 1919 Field Squadron and 6th Field Squadron ) 5 Field Squadron ( Late 2nd Indian Nov 1914 to Apr 1916 and 01 Jun Field Squadron ) 1916 to 31 Jan 1917 and 01 Apr 1917 to 20 Apr 1918 7 Field Squadron 08 Jun 1918 to 31 Jan 1918 and 01 Nov 1918 to 30 Nov 1918

118 6 Field Troop 21 Nov 1916 to 13 Nov 1917 7 Field Troop ( EEF ) ( 5th Mounted 28 Mar 1916 to ? And 01 Jun S Brigade ) 1916 to 28 Feb 1917 7 Field Troop ( EEF ) 15 Sep 1916 to 16 Apr 1917 and S 01 Nov 1917 to 31 Mar 1919

8 Field Troop 02 May 1916 to 04 Nov 1916 and S 01 Jan 1918 to 31 Jan 1918

9 Field Troop 13 Apr 1916 to 22 Jul 1917 10 Field Troop 04 Feb 1917 to 10 Jan 1918 S RE Field Troop 15 Nov 1918 to 20 Feb 1919 Canadian Field Troop 01 Sep 1915 to 01 Jan 1917 S 119 1 Platoon Park Company ( 1 Bridging 05 Aug 1914 to 28 Nov 1914 and Train ) Feb 1915 to 28 Feb 1919 2 Platoon Park Company ( 2 Bridging 18 Aug 1914 to 25 Sep 1918 and Train ) 01 Apr 1919 to 30 Apr 1919 3 Platoon Park Company ( 3 Bridging 25 Apr 1915 to 27 Feb 1916 and S Train ) 28 Aug 1915 to 28 Sep 1918

4 Platoon Park Company ( MT ) ( 4 09 May 1915 to 18 Dec 1917 S Bridging Train ) 5 Platoon Park Company ( 5 Bridging 04 Jun 1915 to 17 Mar 1916 and S Train ) 17 Mar 1916 to 04 Apr 1919

120 6 Platoon Park Company ( MT ) ( 6 06 Jun 1915 to 06 Aug 1917 S Bridging Train ) 7 Platoon Park Company 05 Feb 1916 to 18 May 1916 and S 18 May 1916 to 25 May 1916 and 26 Sep 1916 to 09 Jul 1919

8 Platoon Park Company ( MT ) 23 Feb 1916 to 20 Aug 1917 and S 21 May 1916 to 31 Dec 1916 and 01 Feb 1917 to 31 Oct 1917 and 03 Feb 1918 to 30 Jun 1919

9 Platoon Park Company ( MT ) Feb 1916 to 08 Jun 1917 S 12 Platoon Park Company 09 Apr 1916 to Nov 1917 S 13 Platoon Park Company 01 Mar 1918 to 31 Jan 1919 10 Divisional Bridging Detachment 28 Oct 1915 to 14 Dec 1915 Cavalry Corps Bridging Park 31 Jan 1917 to ? S

121 1 Foreway Company 25 Apr 1917 to 30 Jun 1919 2 Foreway Company 28 Mar 1917 to 30 Nov 1918 3 Foreway Company 28 Mar 1917 to 30 Apr 1917 and 07 Jan 1918 to 31 Aug 1918

6 Foreway Company 08 Feb 1918 to 20 Sep 1918 10 Foreway Company 01 Apr 1918 to 30 Apr 1919 1 Army Tramway Company See 1 Foreway Company 2 Army Tramway Company See 2 Foreway Company 4 Army Tramway Company Apr 1917 to 05 Aug 1917 S 7 Army Tramway Company 04 Apr 1917 to 12 Jun 1917 S 372 Army Tramway Company See 1 Foreway Company 373 Army Tramway Company See 2 Foreway Company

122 8 Railway Operating Company Pre - War to ? S 10 Railway Operating Company 26 Nov 1914 to ? S 19 Railway Operating Company 14 Aug 1916 to 21 Apr 1919 29 Railway Operating Company S and 01 Jul 1919 to 25 Oct 1919 M ( Indian Army ) 32 Railway Operating Company 02 Feb 1917 to ? And 01 Apr S 1918 to 31 Oct 1918 and 01 Dec 1918 to 31 Dec 1918 and 01 Feb 1919 to 31 Aug 1919 33 Railway Operating Company 08 Feb 1917 to 28 Feb 1919 53 Railway Operating Company 03 Jul 1916 to 28 Mar 1917 107 Railway Operating Company 01 Jan 1918 to 27 Apr 1918 109 Railway Operating Company 08 Oct 1914 to 31 Mar 1919 110 Railway Operating Company 16 Nov 1914 to 04 Feb 1915 and S 04 Feb 1915 to 29 Apr 1919

111 Railway Operating Company 13 Nov 1914 to 20 Jun 1917 and S 21 Feb 1915 to 30 Aug 1918 and 02 Oct 1918 to 24 Apr 1919

123 112 Railway Operating Company 26 Nov 1914 to 27 Nov 1915 and 01 Jan 1916 to 30 Dec 1918 and 01 Feb 1919 to 01 May 1919

113 Railway Operating Company 12 Dec 1914 to 19 Sep 1916 S 114 Railway Operating Company 01 Feb 1915 to 01 May 1915 and S 01 May 1915 to 31 Jul 1916 and 01 Sep 1916 to 30 Nov 1916 and 01 Jan 1917 to 31 Jan 1919

115 Railway Operating Company 21 May 1915 to 04 Oct 1916 and S 20 Feb 1915 to Mar 1919 116 Railway Operating Company Jun 1915 to 01 Nov 1916 and 31 S Jan 1916 to 30 Sep 1916 and 31 Dec 1916 to 28 Feb 1917 and 01 Apr 1917 to 28 Feb 1919

117 Railway Operating Company 31 Jul 1915 to 31 May 1916 and 01 Sep 1916 to 31 Aug 1919 118 Railway Operating Company 13 Nov 1915 to ? S Very limited 119 Railway Operating Company Jan 1916 to 28 May 1916 and 01 S Jun 1916 to 25 Feb 1917 and 01 Apr 1917 to 29 May 1919

120 Railway Operating Company 23 Feb 1916 to 20 Nov 1917 and S 16 May 1917 to 30 Mar 1919

124 204 Broad Gauge Railway Operating 19 Sep 1918 to 14 Apr 1919 Company 217 Railway Operating Company 01 Dec 1918 to 31 Mar 1919 220 Transportation ( Works ) 01 Jul 1918 to 29 Mar 1919 Company 221 Transportation ( Works ) 29 Jun 1918 to 10 Jun 1919 Company 222 Transportation ( Works ) 11 Aug 1918 to 17 May 1919 Company 223 Transportation ( Works ) 31 Jul 1918 to 13 May 1919 Company 224 Transportation ( Works ) 10 Sep 1918 to 31 Mar 1919 Company

125 259 Railway Operating Company 24 Jan 1917 to 17 Sep 1919 260 Railway Operating Company 01 Feb 1917 to 18 Apr 1919 and 01 Jun 1919 to 30 Jun 1919 261 Railway Operating Company 26 Mar 1917 to 28 Mar 1918 and 23 Jan 1919 to 30 Sep 1919

262 Railway Operating Company 05 Feb 1917 to 26 Jun 1919 263 Railway Operating Company 13 Apr 1917 to 29 May 1917 and S 10 Jun 1919 to 30 Oct 1919 264 Railway Operating Company 13 Apr 1917 to 30 Nov 1918 265 Railway Operating Company 14 Aug 1917 to 31 May 1919

126 266 Railway Operating Company 28 Jul 1917 to 18 Nov 1919 267 Railway Construction Company 22 Jan 1917 to 04 Jan 1918 and S 01 Jul 1918 to 23 Feb 1919 268 Railway Operating Company 25 Nov 1916 to 31 Jul 1917 and S 01 Aug 1917 to 31 Jul 1918 and 01 Oct 1918 to 01 Apr 1919 269 Railway Operating Company 28 Dec 1916 to 23 Apr 1919 270 Railway Labour Company 14 Oct 1915 to 30 Apr 1919 271 Railway Labour Company 10 Nov 1915 to 14 Jan 1916

127 273 Railway Operating Company 25 Aug 1916 to 30 Nov 1918 and 01 Feb 1919 to 30 Sep 1919

274 Railway Operating Company 01 Sep 1916 to 31 Dec 1916 275 Railway Operating Company 03 May 1916 to 21 Aug 1916 and S 01 Nov 1916 to 31 Jul 1919 276 Railway Operating Company 15 Apr 1916 to 05 Nov 1916 S 277 Railway Operating Company Feb 1916 to 17 Sep 1916 S 278 Railway Operating Company 10 Mar 1916 to 17 Jul 1919 279 Railway Operating Company 17 Mar 1916 to 30 Jun 1919 296 Railway Operating Company 25 Jan 1917 to 21 Sep 1917 and S 01 Jan 198 to 31 Mar 1919 297 Railway Operating Company 25 Jan 1917 to 25 Nov 1917 S 298 Railway Operating Company 25 Jan 1917 to 20 May 1919 Royal Monmouthshire Royal Engineers ( Special Reserve ) Railway Operating Company

128 1 Light Railway Operating Company 20 Jan 1917 to 05 Sep 1917 S 2 Light Railway Operating Company 04 Feb 1917 to 05 May 1917 S 3 Light Railway Operating Company 09 Feb 1917 to 04 Sep 1917 S 4 Light Railway Operating Company 21 Feb 1917 to 31 Aug 1917 S 5 Light Railway Operating Company 04 Feb 1917 to 28 Feb 1917 S 6 Light Railway Operating Company 25 Feb 1917 to 27 Aug 1918 S 9 Light Railway Operating Company 26 Feb 1917 to 05 Sep 1917 S 10 Light Railway Operating Company 10 Mar 1917 to 10 Jul 1917 S 11 Light Railway Operating Company 17 May 1917 to 31 Jul 1918 S 12 Light Railway Operating Company Apr 1917 to 22 Oct 1917 and 10 CL Feb 1918 to 31 Dec 1918 14 Light Railway Operating Company 16 May 1917 to 01 Sep 1917 S 15 ( Australian ) Light Railway 01 Nov 1916 to 31 Jul 1917 S Operating Company 17 ( Anzac ) Light Railway Operating 11 Jun 1917 to 27 Aug 1917 S Company 1st Light Railway Signal Section 01 Feb 1919 to 31 May 1919 6th Light Railway Signal Section 08 Jan 1918 to 30 Oct 1918 and 01 Dec 1918 to 31 Jan 1919 3 Light Railway Signal Company 01 Jun 1918 to 31 Dec 1918 19 Light Railway ( Trains Crew ) 16 Feb 1917 to 01 Sep 1917 S Company 20 Light Railway ( Trains Crew ) 17 Mar 1917 to 23 Apr 1917 S Company 21 Light Railway ( Trains Crew ) 27 Mar 1917 to 14 Aug 1917 S Company 22 Light Railway ( Trains Crew ) 08 May 1917 to 04 Jun 1917 S Company 29 Light Railway Operating Company 13 Mar 1917 to 02 Aug 1917 S 30 Light Railway Operating Company 15 Mar 1917 to ? S 31 Light Railway Operating Company 23 Feb 1917 to 31 Mar 1919 and 01 May 1919 to 31 May 1919

32 Light Railway Operating Company Feb 1917 to ? S 33 Light Railway Operating Company 15 Mar 1917 to 27 Aug 1917 S 34 Light Railway Operating Company 28 Feb 1917 to 06 May 1918 S 35 Light Railway Operating Company 07 Dec 1916 to 31 Mar 1918 S 54 Light Railway Operating Company May 1917 to 20 Jun 1917 S 231 Light Railway Forwarding See 1 Foreway Company Company 232 Light Railway Forwarding See 2 Foreway Company Company 240 Light Railway Forwarding See 10 Foreway Company Company

129 Central Light Railway Workshops 07 Jan 1918 to 28 Feb 1919 25 Light Railway Workshop Company 22 May 1917 to 06 Sep 1917 S

26 Light Railway Workshop Company 03 Mar 1917 to 11 Aug 1917 S

27 Light Railway Workshop Company 18 Apr 1917 to 20 Apr 1917 S

28 Light Railway Workshop Company 15 Mar 1917 to ? S

62 Broad Gauge Railway Workshop 25 Feb 1917 to 17 Aug 1917 S Company 63 Broad Gauge Railway Workshop 25 Feb 1917 to 28 Sep 1917 S Company 79 Broad Gauge Railway Workshop 10 Jul 1917 to 14 Nov 1917 S Company 80 Broad Gauge Railway Workshop 08 Jul 1917 to 17 Nov 1917 S Company No 1 Group Railway Construction Oct 1914 to Jul 1917 and 06 Sep S Company 1917 to 30 Jun 1919 No 2 Group Railway Construction Feb 1915 to Feb 1917 and 01 S Company Jun 1916 to 26 Feb 1917 and 01 Apr 1917 to 30 Mar 1919 and 03 May 1919 to 23 May 1919

No 3 Group Railway Construction 06 Feb 1915 to 31 May 1916 Company 1 Railway Survey and 01 Oct 1917 to 31 Mar 1919 Reconnaissance Section 4 Railway Survey and 01 May 1918 to 31 Dec 1918 Reconnaissance Section 7 Railway Survey and 27 Apr 1918 to 31 Jan 1919 Reconnaissance Section 108 Railway Survey and 07 Feb 1918 to 08 Dec 1918 Reconnaissance Section

130 Director of Railways B.S.F Nov 1915 to 31 Dec 1918 Chief Railway Construction Engineer ? S Railway Operation Division ( France ) May 1915 to 27 Aug 1916 S

Railway Operation Division ( EEF ) 12 Mar 1917 to ? And 01 Oct S 1918 to 30 Sep 1919 and 01 Mar 1920 to 31 Mar 1920 Chief Mechanical Engineer 02 Apr 1919 to 31 Aug 1919 and Department-Army of the Rhine 01 Oct 1919 to 30 Nov 1919 Chief Constructional Engineers ( 02 Mar 1917 to 31 Mar 1917 and Communications ) 01 Jun 1917 to 30 Jun 1917 and 01 Aug 1917 to 31 Aug 1917 and 01 Nov 1917 to 30 Jun 1919

Railway Transport Section Salonika 13 Nov 1915 to ? S Army Light Railways E.E.F 24 Nov 1917 to 31 Mar 1919 Forward Light Railway Training School 28 Dec 1917 to 30 Apr 1919

Stores Department Army of the Rhine 30 May 1919 to 31 Oct 1919

Railways Stores Establishment 19 Nov 1916 to ? S Railways Stores Park 06 Sep 1915 to ? S 200 Railway Signal and Interlocking 12 May 1918 to 30 sep 1918 and Company 01 Nov 1918 to 31 Oct 1919 Railway Signal Section ( L of C Signal 27 Jan 1917 to ? S Company ) 30 Labour Railway Battalion 15 Mar 1916 to 02 Sep 1917 and S 07 Jun 1916 to 12 Apr 1917 37 Miscellaneous Trades ( RE ) Broad 21 Mar 1917 to 28 Apr 1917 S Gauge 84 Miscellaneous Trades Company ( 17 May 1917 to 19 Oct 1917 S South Africans ) 23 Miscellaneous Trades Railways 10 Mar 1917 to 08 Aug 1917 S Company 24 Miscellaneous Trades Light 16 May 1917 to 18 Aug 1917 S Railways Company 1 Bridging Company Canadian 01 Sep 1918 to 31 Oct 1918 Railway Troop 18 Train Crew Section 06 Feb 1917 to 09 Aug 1917 S

130 3 Railway Construction Section 16 Apr 1915 to 31 Dec 1917 S 4 Railway Construction Section 16 Apr 1915 to 31 Dec 1917 S 2 Electrical Section 19 Jun 1917 to 14 Sep 1917 S

131 1 Field Survey Company 16 Feb 1916 to ? S 2 Field Survey Company 09 Feb 1916 to 13 Sep 1916 S 3 Field Survey Company 10 Feb 1916 to Feb 1916 S 4 Field Survey Company 18 Feb 1916 to 12 Sep 1916 S 5 Field Survey Company 19 Jul 1916 to 13 Jul 1916 S 7 Field Survey Company 14 Mar 1917 to 31 Jan 1919 8 Field Survey Company 01 Jan 1917 to 31 Mar 1919 1st Printing Company Pre - War to 11 Aug 1914 S A Printing Section 22 Mar 1915 to 22 Oct 1916 S Printing Section Depot Field Survey Pre - War to 01 Jan 1918 S Company Topographical Section Jun 1915 to 12 Nov 1916 S 3rd Topographical Section 30 Jul 1915 to ? S 6th Topographical Section and B Army 01 Mar 1916 to 25 May 1916 S Printing Section Maps and Survey Section Jan 1916 to 12 Nov 1916 S ( Map Depot ) Survey Maps L of C 05 Aug 1914 to 17 Oct 1914 S Depot 1st Ranging Section 12 Nov 1914 to 30 May 1915 S 1st Ranging and Survey Section 01 Jun 1915 to 25 Sep 1915 S No 2 Ranging and Survey Section Jun 1915 to 08 Jun 1915 S 1 Provisional Company 15 Aug 1914 to 29 May 1916 S 2 Provisional Company 22 Apr 1916 to 03 Aug 1917 S 6 Provisional Company 07 Jun 1916 to 23 Aug 1916 S 7 Provisional Company 17 Jun 1916 to Nov 1916 S 8 Provisional Company 21 Jun 1916 to ? S 9 Provisional Company 26 Jun 1916 to ? S

132 1 Re-inforcement Company 06 Jan 1917 to 15 Apr 1917 S 3 Re-inforcement Company 14 Jan 1917 to 08 Aug 1917 S 4 Re-inforcement Company 13 Jan 1917 to 17 Aug 1917 S 5 Re-inforcement Company 19 Feb 1917 to 27 Feb 1917 and 01 Apr 1917 to 28 Aug 1917

6 Re-inforcement Company 13 Feb 1917 to 14 Sep 1917 A 7 Re-inforcement Company 21 Feb 1917 to 06 Oct 1917 8 Re-inforcement Company 05 Mar 1917 to 31 Jul 1917 9 Re-inforcement Company 23 Apr 1917 to 31 Dec 1917 10 Re-inforcement Company 06 May 1917 to ? And 01 Jul S 1917 to 31 Aug 1917 11 Re-inforcement Company 27 Jun 1917 to 14 Sep 1917 1 Port Construction Company 31 Mar 1917 to 07 Dec 1917 S 5 Port Construction Company 21 May 1917 to 23 Feb 1918 S 12 Port Construction Company 30 Sep 1917 to 18 May 1918 S

133 HQ Special Companys 1st Army 06 Aug 1915 to 08 Aug 1917 S HQ Special Companys 2nd Army Feb 1917 to 07 Jun 1917 S HQ Special Companys 3rd Army 12 Feb 1917 to ? S HQ Special Companys 4th Army 12 Feb 1917 to ? S HQ No1 Group Special Companys 01 May 1919 to 26 May 1919 HQ No2 Group Special Companys 07 May 1919 to 15 Sep 1919 HQ No4 Group Special Companys 01 May 1919 to 31 May 1919 HQ 1,2,3,4 Special Companys ( was 28 Feb 1916 to ? No5 Battery Special Brigade ) No1 Special Company ( Mortar ) 01 May 1919 to 31 Jul 1919 No2 Special Company 05 May 1919 to 31 Jul 1919 No3 Special Company 01 May 1919 to 31 Jul 1919 No4 Special Company ( Mortar ) 01 May 1919 to 20 Jun 1919 A Special Company 01 May 1919 to 28 Sep 1919 B Special Company 01 May 1919 to 31 Jul 1919 C Special Company 01 May 1919 to 31 Jul 1919 D Special Company 01 May 1919 to 31 Jul 1919 E Special Company 01 May 1919 to 30 Jun 1919 F Special Company 01 May 1919 to 31 Jul 1919 G Special Company 01 May 1919 to 01 Aug 1919 H Special Company 01 May 1919 to 31 Jul 1919 J Special Company 01 May 1919 to 31 Jul 1919 K Special Company 01 May 1919 to 31 Jan 1919 L Special Company 01 May 1919 to 31 May 1919 M Special Company 06 May 1919 to 31 May 1919 N Special Company 01 May 1919 to 31 May 1919 O Special Company 01 May 1919 to 31 May 1919 P Special Company 01 May 1919 to 31 May 1919 Q Special Company 01 May 1919 to 31 May 1919 Z Special Company 01 May 1919 to 31 Jul 1919 Depot Special Brigade 01 May 199 to 15 Oct 1919 1 Battalion Special Brigade ( 186 Aug 1915 to Jun 1915 S Company and Special Battalion ) ( see also HQ Special Company 1st Army )

2 Battalion Special Brigade ( 187 04 Aug 1915 to 14 Sep 1916 S Company ) ( see also HQ Special Company 4th Army ) 3 Battalion Special Brigade ( 188 17 Jan 1916 to Sep 1916 S Company ) ( see also HQ Special Company 2nd Army ) 4 Battalion Special Brigade ( 189 17 Jan 1916 to ? S Company ) Special Works Park 22 Mar 1916 to 16 Dec 1917 S Special Section ( Yatesbury ) 05 Jul 1916 to ? S Special Section Special Brigade 02 May 1916 to 25 Jun 1916 S Reserve Company Special Brigade 01 Jul 1916 to ? S

134 1 Siege Company ( Royal Anglesey ) 05 Aug 1914 to 25 Nov 1915 and S 30 Sep 1915 to 31 Mar 1918 and 01 Apr 1919 to 30 Apr 1919

2 Siege Company ( Royal Anglesey ) 01 Sep 1914 to 31 Nov 1917 and 01 Jan 1918 to 30 Jun 1918

2 Siege Company ( RA-Right half of 01 Apr 1916 to 18 May 1916 Company ) 3 Railway Company ( Royal Anglesey ) 1908 to 26 Nov 1917 S ( Special Reserve ) 4 Siege Company ( Royal Anglesey ) 01 Mar 1916 to 14 Jun 1916 and 09 May 1918 to 20 Jun 1919

5 Siege Company ( Royal Anglesey ) ( 09 Nov 1914 to 31 Jul 1918 and formerly Siege Company-Fortress 01 Sep 1918 to 31 Oct 1918 and Company ) 01 Jan 1919 to 31 Jan 1919 and 01 Mar 1919 to 28 Jun 1919

135 Miscellaneous Depots and Training A Company Royal Engineers 1st 19114 to 1916 S Reserve Battalion Royal Engineers B Company Royal Engineers 1st No Dates S Reserve Battalion Royal Engineers C Company Royal Engineers 1st 1914 S Reserve Battalion Royal Engineers D Company Royal Engineers 1st 1914 to 1915 S Reserve Battalion Royal Engineers E Company Royal Engineers 1st 1914 to 1915 S Reserve Battalion Royal Engineers F Company Royal Engineers 1st 1914 S Reserve Battalion Royal Engineers G Depot Company 1914 S L Depot Company 1914 S M Depot Company 1914 S 2nd Reserve Battalion Royal 1915 to 1916 S Engineers Cadet Company Royal Engineers 1916 S Royal Engineers Depot Clipstone 1916 S Camp Royal Engineers Depot Southampton 1915 to 1916 S Royal Engineers Trianing Centre 1915 to 1916 S Newark Royal Engineers Section ( Royal 1916 S Engineers and Royal Artillery ) Ripon 29th L of C Company 1914 S 3rd Provost Company 1914 S 24th A.T Company 1914 to 1915 S 25th Siege Company 1914 to 1915 S 31st Siege Company 1914 to 1915 S 2nd Anglesey 1914 to 1915 S 4th Monmouth 1914 to 1915 S 1st Advanced Park Company 1914 to 1915 S No2 Royal Engineers Section General 1917 S Base Depot BSF Royal Engineers Base Depot 1917 S Royal Engineers Advanced Horse 1914 to 1916 S Transport Section Southern Command School of 1915 Instruction Mine School IV Army 1916 to 1917 S Inland Water Transport Establishment 1914 to 1915 and 01 Dec 1916 to S France 30 Apr 1917 No1 ( Home Service ) Operating Jul 1915 S Section Inland Water Transport Inland Water Section Force D 06 Sep 1916 S 3 Construction section Inland Water 25 Jun 1916 to 26 Jul 1917 S Department Inland Water Transport Section British 24 Nov 1915 to 13 Jun 1916 Mission with Royal Serbian Army

136 1st Labour Battalion 28 Jul 1915 to 31 Jul 1917 2nd Labour Battalion 30 Jul 1915 to 31 Jul 1917 and S 01 May 1916 to 31 May 1917 3rd Labour Battalion 18 Aug 1915 to 31 Jul 1917 4th Labour Battalion 18 Aug 1915 to 25 Aug 1915 S 5th Labour Battalion 20 Aug 1915 to 27 Sep 1916 S 6th Labour Battalion 19 Aug 1915 to 31 Jul 1917 137 7th Labour Battalion 22 Aug 1915 to 31 May 1917 8th Labour Battalion 22 Aug 1915 to 31 Jul 1917 9th Labour Battalion 13 Sep 1915 to 31 Jul 1917 10th Labour Battalion 14 Sep 1915 to 31 Jul 1917 11th Labour Battalion 20 Sep 1915 to 31 Jul 1917 12th Labour Battalion 07 Apr 1916 to 14 Aug 1916 S 30th Railway Labour Battalion See under Railways ( Not in File )

138 1 Anti-Aircraft Searchlight Section 21 Apr 1915 to 28 Feb 1918 and 01 Apr 1919 to 31 May 1919

2 Anti-Aircraft Searchlight Section 01 Jul 1915 to 10 Dec 1916 and 02 Feb 1917 to 30 Jan 1918 and 01 Oct 1918 to 30 Nov 1918 3 Anti-Aircraft Searchlight Section 05 May 1916 to 07 Sep 1916 S 4 Anti-Aircraft Searchlight Section Apr 1916 to 09 May 1916 S 5 Anti-Aircraft Searchlight Section Apr 1916 to 08 May 1916 S 6 Anti-Aircraft Searchlight Section 01 Apr 1916 to 09 May 1916 S 7 Anti-Aircraft Searchlight Section 01 Jul 1916 to 08 Sep 1916 S 8 Anti-Aircraft Searchlight Section Jun 1916 to 03 Jul 1916 S 9 Anti-Aircraft Searchlight Section Aug 1916 to 17 Aug 1916 S 10 Anti-Aircraft Searchlight Section 19 Jul 1916 to 09 Sep 1916 S 11 Anti-Aircraft Searchlight Section 26 Jul 1916 to 07 Sep 1916 S 12 Anti-Aircraft Searchlight Section 25 Sep 1916 to 09 Oct 1916 S 13 Anti-Aircraft Searchlight Section 20 Sep 1916 to 10 Oct 1916 S 14 Anti-Aircraft Searchlight Section Oct 1916 to 08 Jul 1917 S 15 Anti-Aircraft Searchlight Section 25 Sep 1916 to Sep 1917 S 16 Anti-Aircraft Searchlight Section Nov 1916 to 30 Nov 1917 S 17 Anti-Aircraft Searchlight Section 26 Sep 1916 to 20 Dec 1916 S 18 Anti-Aircraft Searchlight Section Nov 1916 to 30 Nov 1917 S 19 Anti-Aircraft Searchlight Section 28 Nov 1916 to 19 Mar 1917 S 22 Anti-Aircraft Searchlight Section 24 Sep 1916 to 05 Jul 1917 S 26 Anti-Aircraft Searchlight Section 01 Feb 1917 to 19 Mar 1917 S 27 Anti-Aircraft Searchlight Section 16 Mar 1917 to 23 Apr 1917 S 28 Anti-Aircraft Searchlight Section 16 Apr 1917 to ? S 29 Anti-Aircraft Searchlight Section Mar 1917 to 17 Apr 1917 S 30 Anti-Aircraft Searchlight Section 09 Mar 1917 to 21 Mar 1917 S 31 Anti-Aircraft Searchlight Section 15 Mar 1917 to 21 Mar 1917 S 31 ( Dundee ) Anti-Aircraft Company 30 Sep 1916 to 19 Jul 1917 S 32 Anti-Aircraft Searchlight Section 04 Apr 1917 to 12 May 1917 S 33 Anti-Aircraft Searchlight Section 13 Apr 1917 to 14 Jul 1917 S 10 ( Tyne ) Mobile Searchlight 04 Aug 1916 to 02 Aug 1917 S Company 10 ( Yorkshire ) Anti-Aircraft Brigade 07 Nov 1915 to 1917 S Searchlight Company 5 ( Lancashire ) Searchlight Company 24 Feb 1915 to 02 Oct 1916 S

Searchlight Company ( Sappers and 18 Nov 1914 to 11 Dec 1914 S Miners ) Electric Light Section EEF Letter and blank form only 1 ( London and Tyne ) Electrical and 23 Oct 1915 to 15 Dec 1915 S Mechanical Company 1/3 Electric Light City of Edinburgh ( 20 Dec 1914 to ? S Fortress ) 1/3 Glamorgan Electric Light Company 30 Mar 1908 to 14 Aug 1917 S

2/3 Glamorgan Electric Light Company 23 Nov 1914 to ? S

1/8 Hampshire Electric Light Company Sep 1915 to ? S

1/2 City of Dundee Electric Light Sep 1915 to ? S Company 2/1 Cornwall Electric Light Company ? S 2/2 Lancashire Electric Light Company Oct 1914 to ? S

139 Chief Engineer IV Army 01 Oct 1918 to 31 Oct 1918 Chief Engineer V Army ( Reserve Jul 1916 to 28 Feb 1917 and 01 Army ) May 1917 to 31 Mar 1919

140 Chief Engineer I Corps 04 Jul 1916 to 28 Nov 1918 Chief Engineer III Corps 22 Apr 1916 to 30 Jun 1918

141 Chief Engineer III Corps 01 Jul 1918 to 24 Mar 1919 A

142 Chief Engineer IV Corps 01 Jul 1919 to 31 Aug 1919 Chief Engineer V Corps 01 Jan 1917 to 30 Sep 1918 and 19 Mar 1919 to 07 Apr 1919

Chief Engineer VIII Corps 01 Apr 1916 to 24 Jun 1918 Chief Engineer IX Corps 20 Jun 1916 to 31 Jan 1918 and 01 Mar 1918 to 30 Apr 1918 and 01 Jul 1918 to 29 Aug 1918

Chief Engineer X Corps 30 Aug 1915 to 30 Jun 1917 and 01 Oct 1917 to 31 Dec 1918 and 01 Apr 1919 to 03 Sep 1919

Chief Engineer XIII Corps 15 Nov 1915 to 31 May 1916

143 Chief Engineer XV Corps 08 May 1916 to 28 Feb 1919 Chief Engineer XVI Corps 16 Feb 1916 to 28 Feb 1919 Chief Engineer XVII Corps 01 May 1916 to 28 Feb 1917 and 01 May 1917 to 31 Jan 1919

Chief Engineer XIX Corps 01 Mar 1917 to 30 Dec 1917

144 Chief Engineer British Troops In 05 Aug 1914 to 29 Nov 1919 France and Flanders Chief Engineer L of C Area ( late 13 Feb 1915 to 30 Sep 1919 DDWN )

145 Commander Royal Engineers 1st 04 Aug 1914 to 31 Aug 1917 and A Division 01 Oct 1917 to 19 Sep 1919

146 Commander Royal Engineers 2nd 05 Aug 1914 to 05 Mar 1915 and Division 01 Jan 1919 to 31 Jul 1919 Commander Royal Engineers 3rd 15 Aug 1916 to 17 Nov 1917 Division Commander Royal Engineers 4th 10 Aug 1914 to 31 Dec 1915 and Division 01 Jan 1916 to 30 Jun 1918

147 Commander Royal Engineers 5th 05 Aug 1914 to 07 May 1919 Division Commander Royal Engineers 6th 04 Aug 1914 to 01 Sep 1919 Division Commander Royal Engineers 7th Sep 1914 to 21 Mar 1919 Division

148 Commander Royal Engineers 8th 11 Sep 1914 to 30 Jun 1918 Division

149 Commander Royal Engineers 8th 01 Jul 1918 to 05 Jun 1919 A and M Division

150 Commander Royal Engineers 9th 11 May 1915 to 28 Jul 1915 and Division 21 Sep 1915 to 31 Dec 1916 and 01 Jun 1917 to 31 Aug 1917 and 01 Jan 1919 to 27 Sep 1919

151 Commander Royal Engineers 9th A Division

152 Commander Royal Engineers 9th A Division

153 Commander Royal Engineers 10th 01 Sep 1914 to 27 Oct 1916 S Division Commander Royal Engineers 11th Aug 1914 to 20 Jul 1916 and 03 S Division Jul 1915 to 31 Mar 1916 Commander Royal Engineers 12th Oct 1915 and Dec 1915 S Division Commander Royal Engineers 13th Dec 1914 to 01 Nov 1916 and 15 S Division Jun 1915 to 17 Mar 1919 Commander Royal Engineers 14th 28 May 1915 to 31 Mar 1918 and Division 01 Aug 1918 to 30 Aug 1918

Commander Royal Engineers 15th Oct 1914 to Aug 1917 and 01 Jul S Division 1916 to 31 Mar 1917 and 01 Jun 1917 to 30 Jun 1919

154 Commander Royal Engineers 15th ( 01 Jun 1916 to 08 Mar 1919 Indian ) Division Commander Royal Engineers 16th 18 Dec 1915 to 25 Jun 1919 Division Commander Royal Engineers 17th 13 Jul 1915 to 30 Jul 1917 and Division 01 Apr 1919 to 02 May 1919 Commander Royal Engineers 18th Oct 1914 to 31 Oct 1915 and 01 Division Dec 1915 to 30 Nov 1916

155 Commander Royal Engineers 19th 17 Jul 1915 to 07 Jul 1919 Division Commander Royal Engineers 20th 21 Jul 1915 to 28 Feb 1918 Division Commander Royal Engineers 21st Feb 1915 to 29 Feb 1916 and 01 Division Jan 1919 to 27 Feb 1919 and 04 Apr 1919 to 29 Apr 1919 Commander Royal Engineers 22nd 14 Oct 1914 to 04 Jul 1917 S Division Commander Royal Engineers 23rd 28 Aug 1915 to 31 Mar 1916 and Division 01 Jul 1916 to 31 Oct 1917 Commander Royal Engineers 24th 25 Aug 1915 to 31 Aug 1916 Division Commander Royal Engineers 25th 27 Sep 1915 to 25 Mar 1919 and Division 01 Jun 1919 to 24 Jul 1919

156 Commander Royal Engineers 26th Jan 1915 to 16 Sep 1917 S Division Commander Royal Engineers 27th 1908 to 23 Oct 1916 S Division Commander Royal Engineers 28th 23 Dec 1914 to 30 Sep 1919 Division Commander Royal Engineers 29th 23 Jan 1915 to 23 Feb 1915 and Division 01 Apr 1915 to 31 Dec 1915 and 01 Apr 1916 to 28 Feb 1919 and 01 Aug 1919 to 31 Oct 1919

Commander Royal Engineers 30th 01 Mar 1915 to 03 Dec 1917 and S Division 01 Apr 1918 to 24 Apr 1919 Commander Royal Engineers 31st 16 Dec 1915 to 23 Mar 1919 Division

157 Commander Royal Engineers 32nd 22 Nov 1915 to 31 Dec 1917 and Division 01 Jan 1918 to 30 Nov 1918 and 01 Jan 1919 to 30 Sep 1919

Commander Royal Engineers 33rd 12 Nov 1915 to 31 May 1918 Division

158 Commander Royal Engineers 33rd R and O Division

159 Commander Royal Engineers 34th 05 Feb 1915 to 22 Oct 1915 and Division 12 Dec 1915 to 31 Mar 1916 and 01 Jul 1916 to 28 Feb 1918 and 01 Apr 1918 to 31 May 1918 and 01 Jul 1918 to 31 Mar 1919

Commander Royal Engineers 35th Jul 1915 to 29 Jan 1916 and 01 S Division Aug 1916 to 03 May 1919 Commander Royal Engineers 36th 06 Oct 1915 to 01 Apr 1919 Division

160 Commander Royal Engineers 37th Apr 1915 to 25 Apr 1919 Division Commander Royal Engineers 38th Apr 1915 to Aug 1917 3 Sheets only Division Commander Royal Engineers 39th Oct 1915 to 30 Sep 1918 and 01 Division Nov 1918 to 31 Dec 1918 Commander Royal Engineers 40th 03 Jun 1916 to 31 Jan 1919 and Division 01 Mar 1919 to 26 Mar 1919

Commander Royal Engineers 41st 04 May 1916 to 31 Oct 1919 Division

161 Commander Royal Engineers 42nd Pre - War to 12 Jul 1918 and 01 S Division Apr 1916 to 31 Mar 1919 Commander Royal Engineers 46th ( 1908 to 01 Nov 1916 S NM ) Division Commander Royal Engineers 47th 01 May 1916 to 31 May 1916 MP Division Commander Royal Engineers 48th 29 Mar 1915 to 23 Mar 1919 Division

162 Commander Royal Engineers 49th 02 Aug 1914 to 31 Dec 1917 and Division 01 Mar 1919 to 21 Mar 1919

163 Commander Royal Engineers 49th R Division

164 Commander Royal Engineers 49th R Division

165 Commander Royal Engineers 49th R Division

166 Commander Royal Engineers 50th 04 Aug 1914 to 1917 and 01 Oct S Division 1915 to 31 May 1919 Commander Royal Engineers 51st 12 Apr 1915 to 31 Jan 1919 R Division

167 Commander Royal Engineers 52nd 01 Apr 1918 to 31 May 1918 and Division 01 Jul 1918 to 31 May 1919 Commander Royal Engineers 53rd 1908 to 28 May 1916 S Division Commander Royal Engineers 54th 06 Aug 1915 to 30 Jun 1916 and Division 01 Sep 1916 to 28 Feb 1918 and 01 Jan 1919 to 17 Jun 1919

Commander Royal Engineers 55th 03 Jan 1916 to 26 Apr 1916 and Division 01 Dec 1916 to 31 Oct 1917 Commander Royal Engineers 56th 05 Feb 1916 to 28 Mar 1919 Division Commander Royal Engineers 57th 10 Feb 1917 to 28 Mar 1919 Division

168 Commander Royal Engineers 58th 01 May 1915 to 31 Mar 1916 and M and O Division 01 Jan 1917 to 23 Jun 1919

Commander Royal Engineers 59th 05 Mar 1916 to 31 Mar 1916 and Division 01 Mar 1919 to 16 Jul 1919 Commander Royal Engineers 60th 23 Jun 1916 to 28 Feb 1917 and Division 01 Apr 1917 to 23 Mar 1919

169 Commander Royal Engineers 61st Dec 1914 to Dec 1917 and 01 S and A Division Jun 1916 to 30 Apr 1917

170 Commander Royal Engineers 61st 01 May 1917 to 31 Oct 1917 A Division

171 Commander Royal Engineers 61st 01 Nov 1917 to 31 Jul 1918 A Division

172 Commander Royal Engineers 61st 01 Aug 1918 to 31 Jul 1919 A Division

173 Commander Royal Engineers 62nd 01 Jan 1916 to 31 Dec 1918 and Division Apr 1919 and Jun 1919 Commander Royal Engineers 63rd ( 01 Aug 1915 to 07 Jul 1916 to 01 Royal Navy ) Division Feb 1917 to 28 Feb 1917 and 01 Apr 1917 to 30 Apr 1919

174 Commander Royal Engineers 66th 20 Nov 1916 to 31 Jul 1918 and Division 03 Feb 1919 to 30 Mar 1919

175 Commander Royal Engineers 73rd 22 Jun 1918 to 07 Jun 1919 Division Commander Royal Engineers 75th 01 Sep 1917 to 31 Jul 1918 and Division 16 Feb 1919 to 31 Aug 1919

176 Commander Royal Engineers GHQ 24 May 1915 to 23 Aug 1918 Troop Commander Royal Engineers 1 Corps 13 Feb 1917 to 31 Dec 1918 Troop Commander Royal Engineers 19 01 Jul 1917 to 24 Mar 1919 Corps Troop Commander Royal Engineers Cavalry 11 Sep 1916 to 31 Mar 1919 Corps Royal Engineers Section 7th Division ( Nov 1916 to Oct 1917 S Artillery )

177 Commander Royal Engineers 01 Jan 1919 to 31 Jan 1919 Abancourt Commander Royal Engineers 01 Apr 1917 to 31 Aug 1919 Abbeville Commander Royal Engineers 01 Oct 1914 to 31 Jan 1917 Advanced Base Commander Royal Engineers Amiens 08 Nov 1918 to 06 Dec 1918

Commander Royal Engineers 01 Oct 1918 to 31 Oct 1919 Boulogne Commander Royal Engineers Calais 21 Apr 1915 to 01 Jan 1918 and S 22 Apr 1915 to 31 Oct 1917 and 01 Dec 1917 to 30 Apr 1919 and 01 Aug 1919 to 23 Sep 1919 178 Commander Royal Engineers Area L 01 Dec 1917 to 30 Jun 1919 and of C Paris 01 Sep 1919 to 31 Oct 1919

Commander Royal Engineers Dunkirk 12 Aug 1917 to 31 Oct 1917

Commander Royal Engineers North 01 Sep 1918 to 30 Sep 1918 Indian Force RAF Commander Royal Engineers Saint 01 Apr 1916 to 30 Mar 1917 and Omer 01 Oct 1917 to 31 Dec 1918

Commander Royal Engineers 01 Mar 1918 to 14 Jun 1919 Salonika Base Commander Royal Engineers 04 Dec 1917 to 01 Jun 1918 and Southern Aerodromes 01 Sep 1918 to 31 Jan 1919

Commander Royal Engineers Syren 27 Sep 1918 to 10 Oct 1919 North Russia Expedition Force Commander Royal Engineers Trouville 01 Dec 1917 to 31 Dec 1917

Commander Royal Engineers Yvetot 01 Sep 1918 to 10 Nov 1918

179 Divisional Officer RE Rinxent 15 Jan 1916 to 28 Feb 1918 Divisional Officer RE St Germain 10 May 1917 to 28 Jan 1919 Divisional Officer RE Stratoni 01 Jun 1918 to 30 Nov 1918 Assistant Director of Works L of C 07 Jun 1918 to 30 Sep 1918 Roads BSF Assistant Director of Works Rouen 01 Apr 1915 to 30 Apr 1915 and 16 Jul 1915 to 31 Oct 1915 Assistant Director of Works Seres 01 Nov 1918 to 28 Feb 1919 Road Deputy Director of Works ( S and C ) 01 Apr 1917 to 13 Apr 1919 Abbeville Deputy Director of Works EEF 22 Feb 1915 to 02 Oct 1916 S Deputy Director of Works L of C BABS 08 Sep 1917 to 31 Oct 1919

Roads Directorate L of C ( South ) 20 Oct 1917 to 31 Dec 1917 S Roads Directorate L of C ( North ) 11 Sep 1917 to ? S

180 Works Officer Dudular 02 Mar 1918 to 29 Jun 1918 Works Officer Harmankew 01 Mar 1918 to 30 Nov 1918 Works Officer Kalamakia 02 Mar 1918 to 02 Jul 1919 Works Officer Karaissi 01 Mar 1918 to 31 Dec 1918 Works Officer Lembet Division 01 Mar 1918 to 30 Jun 1919 and 01 Sep 1919 to 30 Sep 1919

Works Officer Naresh Road 01 Mar 1918 to 20 Jan 1919 Works Officer Naresh Quarry 01 May 1918 to 31 Jul 1918 Works Officer Salonika Central 01 Jun 1918 to 02 Jul 1919 Works Officer Summerhill 04 Mar 1918 to 24 Apr 1918 Works Officer Uchantar 01 Mar 1918 to 31 Oct 1918 and 04 Dec 1918 to 28 Dec 1918

181 Meteorological Section Royal 28 Sep 1915 to 12 Sep 1916 S Engineers Meteorological Section Royal 05 Oct 1915 to 20 May 1918 and Engineers BSF 03 Jul 1918 to 07 Apr 1919 Dranista Mining Company 01 Jul 1918 to 31 Jan 1919 Quarry Maintenance Section 13 Jul 1917 to 16 Jan 1918 Signal Units Miscellaneous 31st Indian 15 Feb 1911 to 31 Oct 1917 S Division Signal Company 1st Canadian Division Signal 21 Aug 1914 to Apr 1917 S Company New Zealand Division Signal Company 17 Aug 1914 to Jun 1917 S

4th Australian Division Signal 09 Mar 1916 to 07 Jun 1917 S Company Signal Squadron Australian Mounted 12 Feb 1917 to 06 Oct 1917 S Division 3/1 Highland Division Signal Company 01 Apr 1915 to 1917 S

3/1 London Division Signal Company ( 24 Mar 1915 to 03 Apr 1917 S TF ) 3/1 West Lancashire Division Signal May 1915 S Company 3/1 West Riding Division Signal 29 May 1915 to 29 Apr 1917 S Company ( TF ) 3/1 Wessex Division Signal Company 21 Jun 1916 to 27 Apr 1917 S

3/1 Welsh Division Signal Company 13 Apr 1915 to ? S 3/1 East Anglian Division Signal Jun 1915 to 31 Aug 1917 S Company 1st Mounted Division Signal Squadron 18 Feb 1915 to 12 Sep 1915 S

1st Cyclist Division Signal Squadron 24 Jun 1916 to ? S Z Division Signal Company Jul 1915 to 01 Jun 1917 S Z Division Signal Company ( SM ) 12 Jul 1915 to 08 Mar 1918 S 1/1 Cinque Ports ( Fortress ) 1908 to Jul 1914 S 2/1 Cinque Ports ( Fortress ) 1908 to Jul 1914 S OC Troop Corfu 29 Oct 1918 to 13 Dec 1918

182 2nd London Demolition Section Mar 1918 to ? And May 1918 to ? R

183 Postal Service ( GHQ Constantinople ) 01 Aug 1918 to 24 Sep 1919

Army Postal Service ( BSF ) 14 Nov 1915 to 30 Jul 1918 Director of Posts ( British Adriatic 15 Jan 1916 to 29 Feb 1916 Mission )

Royal Engineers Special Reserve ( Pre - War to 02 Oct 1916 Postal Section ) Royal Engineers Postal Section S various postal sections at home and theatres of war

184 3 Water Boring Section 27 Mar 1917 to 24 Mar 1919 5 Water Boring Section 13 Aug 1917 to 26 Jan 1919