ECITB Register of Leviable Establishments – 5 February 2021

Post Employer Establishment Address Name Street 1 Street 2 Street 3 Town/City Code A & L Mechanical A & L Mechanical Installations Installations Ltd Near Ltd (Kilmarnock) The Station Crosshouse Road Kilmaurs Kilmarnock KA3 2TU Coatbank A.G.S (Steel Erectors) Ltd Business A.G.S (Steel Erectors) Ltd (Lanarkshire) Unit 9 Centre Coatebank Way Coatbridge ML5 3AG Able Stainless Steel Able Stainless Steel Fabrications Ltd Fabrications Ltd (Derby) Cadley Hill Road Swadlincote Derby DE11 9EQ ACWA Services Ltd ACWA Services Ltd (Skipton) ACWA House Unit 9 Acorn Business Park Skipton BD23 2UE Addison Project PLC Hillhouse International Thornton- Addison Project PLC (Lancashire) Site Fleetwood Road North Cleveleys FY5 4QD Aermech Ltd Pembroke Aermech Ltd (Pembrokeshire) Strawberry Hill Dock SA71 5PG AHL Industrial Pipework AHL Industrial Pipework Specialists Ltd Specialists Ltd (Jarrow) Suite 4.3 Pennine House Washington NE37 1LY Walton-on- Air Products PLC Air Products PLC (Process Systems Division) Hersham Place Molesey Road Thames KT12 4RZ Aberdeen Aker Solutions Ltd International Aker Solutions Ltd (Aberdeen) Building 1 Business Park Dyce Drive Aberdeen AB21 0BR Allied Protek Engineering Allied Protek Engineering Solutions Ltd Solutions Ltd (Grimsby) Armstrong Street Grimsby DN31 1XD Alpha Plus Ltd Alpha Plus Ltd (Sheffield) 336 Coleford Road Darnall Sheffield S9 5PH Alstom Power Ltd (Ashby- Ashby-de-la- Alstom Power Ltd de-la-Zouch) Excelsior Road Zouch LE65 1BU Alstom Power Ltd WA16 Alstom Power Ltd (Knutsford) Booths Park Chelford Road Knutsford 8GE Amalgamated Construction Ltd (Engineering Amalgamated Construction Ltd Maintenance Division) Whaley Road Barugh Barnsley S75 1HT AMEC Foster Wheeler Energy Ltd AMEC Foster Wheeler Energy Ltd (Reading) Shinfield Park Reading RG2 9FW Wood Group UK Ltd Wood Group UK Ltd (Darlington) Lingfield House Lingfield Point Darlington DL1 1RW ECITB Register of Leviable Establishments – 5 February 2021

AMEC Foster Wheeler Group 25 Canada Canary Ltd AMEC Foster Wheeler Group Ltd (London) 12th Floor Square Wharf London E145LQ Anglian Erection Services Anglian Erection Services Ltd Ltd (Dereham) Trafalgar House Rashs Green Dereham NR19 1JG Apollo Offshore Engineering Apollo Offshore Engineering Ltd Ltd (Aberdeen) Nautilus House 35 Waterloo Quay Aberdeen AB11 5BS West Mains Industrial Applus UK Ltd Applus UK Ltd (Falkirk) Block 2 Unit C&D Estate Falkirk FK3 8YE Innovation Aquaterra Energy Ltd Aquaterra Energy Ltd (Norwich) House Alkmaar Way Norwich NR6 6BF Aquazone Ltd (Great Unit D, Munnings Great Aquazone Ltd Yarmouth) Court Harfreys Road Harfreys Industrial Estate Yarmouth NR31 0LS Aquila Nuclear Engineering Aquila Nuclear Engineering Hazeley SO21 Ltd Ltd (Twyford) Aquila House Enterprise Park Hazeley Road Twyford 1QA ARC Fabrications (Kings Lynn) ARC Fabrications (Kings Garage Lane Industrial Ltd Lynn) Ltd (King's Lynn) Estate Setchley Kings Lynn PE33 0BE Archbell Greenwood Archbell Greenwood Structures Ltd Structures Ltd (Fleetwood) Lofthouse Way Fleetwood FY7 6ST Arcsure Engineering Solutions Arcsure Engineering Solutions (Lincolnshire) Ltd DN15 (Lincolnshire) Ltd (Winterton) 114 Northlands Road Winterton 9UW Atkins Ltd Atkins Ltd (Nuclear Decommissioning & Generation) The Hub 500 Park Avenue Almondsbury BS32 4RZ Atkins Ltd Atkins Ltd (Oil & Gas) 6 Golden Square Aberdeen AB10 3AT Atlantic Projects Company Atlantic Projects Company (UK) Limited (UK) Limited (Derby) Peat House 5 Stuart Street Derby DE1 2EQ ATS (Services) Ltd ATS (Services) Ltd (Heathfield) Suite 9 & 10 33a High Street Heathfield TN21 8HU The Austin Company of UK Ltd The Austin Company of UK Ltd (Rickmansworth) Cardinal Point Park Road Rickmansworth WD3 1RE AVT Reliability Ltd AVT Reliability Ltd (Warrington) 2 Easter Court Europa Boulevard Warrington WA5 7ZB Baker Hughes Energy Baker Hughes Energy Technology UK Ltd (Service Technology UK Ltd Division) BHGE Stoneywood Park North Dyce AB21 7EA Balmoral Tanks Ltd Ireland Balmoral Tanks Ltd (Staveley) Meadows Drive Industrial Estate Staveley Chesterfield S43 3LH ECITB Register of Leviable Establishments – 5 February 2021

NW10 Bechtel Ltd Bechtel Ltd (London) First Central 200 2 Lakeside Drive London 7FQ Beck & Pollitzer Engineering Beck & Pollitzer Ltd Engineering Ltd (Dartford) Burnham Road Dartford DA1 5BD Bilfinger Salamis UK Ltd Bilfinger Salamis UK Ltd (Aberdeen) 4 Greenhole Place Bridge of Don Aberdeen AB23 8EU Bilfinger UK Ltd Bilfinger UK Ltd (Warrington) Wilson House Kelburn Court Daten Park Warrington WA3 6JA Blackrow Engineering Co. Blackrow Engineering Co. Ltd Ltd (Grimsby) Estate Road 7 South Humberside Industrial Estate Grimsby DN31 2TP Boskalis Subsea Services Boskalis Subsea Services Ltd Ltd (Westhill) Atmosphere One Prospect Road Westhill Aberdeen AB32 6JF Boulting Ltd Boulting Ltd (Warrington) Boulting House Firecrest Court Centre Park Warrington WA1 1RG Boustead International Boustead International Woodlands Heaters Ltd Heaters Ltd (Burgess Hill) Europa House Court Albert Drive Burgess Hill RH15 9TN Braddan Structures Ltd Cleveland Braddan Structures Ltd (Darlington) Braddan House Trading Estate Forge Way Darlington DL12PB Briggs of Burton plc Briggs of Burton (Burton) Briggs House Derby Street Burton on Trent DE14 2LH BTH Boiler Services (2010) BTH Boiler Services (2010) Ltd Ltd (Birmingham) 36 Manor Park Road Castle Bromwich Birmingham B36 0DJ Buchen-ICS Ltd Buchen-ICS Ltd (Scunthorpe) 25B Northampton Road Scunthorpe DN16 1UJ Burnbeam Ltd Burnbeam Ltd (Crewe) 12 Eastgate Road Holmes Chapel Crewe CW4 7BW C. & P. Engineering Services C. & P. Engineering Ltd Services Ltd (Swansea) Gorseinon Road Gorseinon Swansea SA4 9GE C. Sharp Construction Ltd C. Sharp Construction Ltd (Leeds) 76 Old Road Churchwell Leeds LS27 7TH C.T. Steel Site Services Ltd C.T. Steel Site Services Ltd (Darlington) 64 Neville Road Darlington DL3 8NE Cadrecruit Ltd Cadrecruit Ltd (Basingstoke) South Building Upper Farm Wootton St. Lawrence Basingstoke RG23 8PE Cameron Flow Control Cameron Flow Control Technology (UK) Ltd (West Schlumberger Buckingham Gatwick Technology (UK) Ltd Sussex) Process Systems House Gate Airport West Sussex RH6 0NZ ECITB Register of Leviable Establishments – 5 February 2021

Skippers Lane Cape Engineering Services Cape Engineering Services Industrial Ltd Ltd (Middlesborough) RBC House Sotherby Road Estate South Bank Middlesbrough TS6 6LP Cape Industrial Services Ltd (Offshore Services Pitmedden Industrial Cape Industrial Services Ltd Division) Kirkton Drive Estate Dyce AB21 0BG Cardiff Steel Erection Ltd Roundabout Bedwas House Industrial Cardiff Steel Erection Ltd (Caerphilly) Unit 6 Court Estate Caerphilly CF83 8FS Cavendish (Northern) Ltd Cowpen Lane Industrial Cavendish (Northern) Ltd (Billingham) Beaumont House Macklin Avenue Estate Billingham TS23 4HF Cavendish Nuclear Ltd Cavendish Nuclear Ltd (Bristol) Ashton House PO Box 103 Ashton Vale Road Bristol BS3 2HQ Cavendish Nuclear Ltd Cavendish Nuclear Ltd (Leicester) Radar Road Leicester LE3 1UF CB&I UK Ltd CB&I UK Ltd (Paddington) 40 Eastbourne Terrace Paddington W2 6LG Clarke Welding Services Ltd Unit 19c Woolpit Windmill Bury St Clarke Welding Services Ltd (Bury St Edmunds) Business Park Avenue Woolpit Edmunds IP30 9UP Claxton Engineering Claxton Engineering Services Services Ltd (Great Great Ltd Yarmouth) Bureside House North River Road Yarmouth NR30 1TE Clyde Pneumatic Conveying Clyde Pneumatic Conveying Ltd Ltd (Doncaster) Lakeside Boulevard Lakeside Doncaster DN4 5PL Clydeforth Engineers & Clydeforth Engineers & Barclay Curle Contractors Ltd Contractors Ltd (Glasgow) Complex 739 South Street Glasgow G14 0BX Conroy Electrical Ltd Conroy Electrical Ltd (Rawtenstall) Simonstone House Bacup Road Rawtenstall BB4 7PA Corgin Ltd Corgin Ltd (Stafford) Tollgate Drive Tollgate Industrial Estate Stafford ST16 3HS Cortez Subsea Ltd Silverburn Cortez Subsea Ltd (Aberdeen) Ground Floor Lodge Claymore Drive Bridge of Don AB23 8GD Costain Oil, Gas & Process Costain Oil, Gas & Process Ltd Ltd (Wythenshawe) Costain House Aviator Way Wythenshawe M22 5TG Covol Engineering Limited Covol Engineering Limited (Billingham) 15 Earls Nook Belasis Hall Technology Park Billingham TS23 4EF ECITB Register of Leviable Establishments – 5 February 2021

Crondall Energy Crondall Energy Consultants Consultants Ltd Ltd (Winchester) Crondall House 1 Exchange Square Winchester SO23 8FJ Croston Engineering Ltd Croston Engineering Ltd (Chester) Tarvin Mill Barrow Lane Tarvin Chester CH3 8JF Curzon Clarke Engineering Curzon Clarke Engineering Ltd Ltd (Mansfield) Mill Farm Church Warsop Mansfield NG20 0SF D.A. Hayward & Son Ltd D.A. Hayward & Son Ltd (Whitchurch) Hillcrest Ash Whitchurch SY13 4DJ Dan Herrick Construction Eckington Business Dan Herrick Construction Ltd Ltd (Sheffield) Centre 62 Market Street Eckington S21 4JH Davey Site Services Ltd Plot 7, Waterston Davey Site Services Ltd (Milford Haven) Industrial Estate Main Road Waterston Milford Haven SA73 1DP Dee Tech Services Ltd Dee Tech Services Ltd (Hawarden) Clwyd Close Hawarden Industrial Park Hawarden CH5 3PZ Defabs Engineering Ltd Defabs Engineering Ltd (Derby) Clarke Street Derby DE1 2BU Delta Engineering Group South Delta Engineering Group Ltd Ltd (South Killingholme) Harsco Building Manby Road Killingholme DN40 3DX Chequers Devmark Ltd Devmark Ltd (Sittingbourne) Kestrels Hill Doddington Sittingbourne ME9 0BN Diamond Power Specialty Diamond Power Specialty Ltd Ltd (Dumbarton) Block 10 Vale of Leven Industrial Estate Dumbarton G82 3AD DMG Control Systems Ltd DMG Control Systems Ltd (Washington) 9 Bridgewater Road Hertburn Industrial Estate Washington NE37 2SG Don Scaife Steel Erecting Don Scaife Steel Erecting (Spalding) 55 Mill Lane Whaplode Spalding PE12 6TS Don Valley Engineering Don Valley Engineering Company Ltd Company Ltd (Doncaster) Sandall Stones Road Kirk Sandall Doncaster DN3 1QR Doosan Babcock Ltd Doosan Babcock Ltd (Renfrew) Innovation House Porterfield Road Renfrew PA4 8DJ Doosan Enpure Ltd Doosan Enpure Ltd (Birmingham) Doosan House Parklands Business Park Rubery Birmingham B45 9PZ Dornan Engineering Services Dornan Engineering Ltd Services Ltd (London) 114a Cromwell Road London SW7 4ES ECITB Register of Leviable Establishments – 5 February 2021

Dounreay Site Restoration Site Restoration Ltd Ltd (Thurso) Traill House 7 Olrig Street Thurso KW14 7BJ DP Services Holdings Ltd DP Services Holdings Ltd (Glenrothes) Unit 1 Baltimore Road Lomond Business Park Glenrothes KY6 2PJ DPS Pipework Services Ltd DPS Pipework Services Ltd (Barnsley) Unit 6 Albion Drive Thurnscoe Barnsley S63 0DA Eagle Structural Ltd Eagle Structural Ltd (Louth) Theddlethorpe Road Great Carlton Louth LN11 8JS East Midlands Instrument East Midlands Instrument Company Ltd Company Ltd (Gainsborough) Laughton Lane Morton Gainsborough DN21 3ET Edwards Elite Engineering Unit 8, Dunkirk Edwards Elite Engineering Ltd Ltd (Chester) Industrial Estate By Pass Road Dunkirk Chester CH1 6LZ Emerson Process Aberdeen D2 Emerson Process Management Ltd METCO SERVICES Solutions 1 Harvest Business AB21 Management Ltd (Aberdeen) DIVISION Centre Avenue Park, Dyce Aberdeen OBQ Manby Hall Business Endotec Ltd Endotec Ltd (Immingham) Park Hall Park Road Immingham DN40 2LT Engenda Group Ltd Engenda Group Ltd (Runcorn) Dee House Hampton Court Tudor Road Manor Park Runcorn WA7 1TT ENGIE Fabricom UK Ltd ENGIE Fabricom UK Ltd (Grimsby) Europarc Origin 3 Origin Way Grimsby DN37 9TZ Eniprogetti Eniprogetti (Basingstoke) Eni House Basing View Basingstoke RG21 4YY Equipdata Ltd (Merthyr Merthyr Tydfil Equipdata Ltd Tydfil) Unit 1 Industrial Park Pentrebach Merthyr Tydfil CF48 4DR Craigshaw EthosEnergy (GBR) Ltd Business Craigshaw EthosEnergy (GBR) Ltd (Aberdeen) Pavilion 4 Ethos House Park Road Aberdeen AB12 3QH F.J. Booth Construction Ltd F.J. Booth Construction Ltd (Guisborough) Unit 2, Victoria Court Rectory Lane Guisborough TS14 7GA Farmtec Assets Ltd Farmtec Assets Ltd (Whitland) Gilfach Farm Cwmbach Whitland SA34 0DN Fenelon Storage Tanks Ltd Fenelon Storage Tanks Ltd (Ellesmere Port) Roften House North Road Industrial Estate Ellesmere Port CH65 1AB Fichtner Consulting Engineers Fichtner Consulting Ltd Engineers Ltd (Stockport) Kingsgate (Floor 3) Wellington Road North Stockport SK4 1LW ECITB Register of Leviable Establishments – 5 February 2021

Fieldcore Service Solutions Fieldcore Service Solutions International LLC International LLC (Glasgow) 2 Central Quay 89 Hydepark Street Glasgow G3 8BW Filtec Water Services Ltd Filtec Water Services Ltd (Irvine) 5 Portland Road Irvine KA12 8JE Fluor Ltd Fluor Ltd (Farnborough) Fluor Centre 140 Pinehurst Avenue Farnborough GU14 7BF FMC Kongsberg Services FMC Kongsberg Services Ltd Ltd (Aberdeen) Wellington Circle Altens Aberdeen AB12 3JG Fortis Engineering Services Ltd Fortis Engineering Services Ltd (Birkenhead) Unit 75 Woodside Business Park Birkenhead CH41 1EP Franklyn Yates Engineering Franklyn Yates Engineering Burton-on- Ltd Ltd (Burton-on-Trent) 6 Granary Wharf Wetmore Road Trent DE14 1DU Furness Engineering & Furness Engineering & Technology Ltd Technology Ltd (Ulverston) Slingsby House Sandside Road Ulverston LA12 9EF G & G Engineering G & G Engineering Mechanical Mechanical Services Ltd Services Ltd (Barnsley) Unit 3 Wath Road Elsecar Barnsley S74 8HW G R Carr (Essex) Ltd G R Carr (Essex) Ltd (Basildon) Archers Fields Burnt Mills Industrial Estate Basildon SS13 1DN Forss Business GD Energy Services Ltd & Technology KW14 GD Energy Services Ltd (Caithness) Lythmore House North Park Forss Caithness 7UZ Arnall Genesis Oil & Gas Genesis Oil & Gas Business Consultants Ltd Consultants Ltd (Aberdeen) Pavillion 3, Aspect 32 Prospect Road Park Westhill Aberdeen AB32 6FE Genesis Oil & Gas Genesis Oil & Gas EC4M Consultants Ltd Consultants Ltd (London) One St. Paul's Churchyard London 8AP GEV Offshore Ltd GEV Offshore Ltd (Hull) Unit 23 Priory Tec Park Saxon Way Hessle Hull HU13 9PB Gordon Kitto Welding Ltd Gordon Kitto Welding Ltd (St Helens) Merton Bank Road St Helens WA9 1HP Graham Steel Erectors Ltd Graham Steel Erectors Ltd (Carlisle) Scaleby Hill Farm Chapel Lane Scaleby Hill Carlisle CA6 4LY Granherne Ltd Granherne Ltd (Leatherhead) Hill Park South Springfield Drive Leatherhead KT22 7LH Grayton Ltd (Barton-upon- Barton-upon- Grayton Ltd Humber) Stanley House Falkland Way Humber DN18 5RL ECITB Register of Leviable Establishments – 5 February 2021

Haden Freeman Ltd Haden Freeman Ltd (Denton) Freeman House Orbital 24 Oldham Street Denton M34 3SU Units 80 & 81 Haven Engineering 2016 Honeyborough Haven Engineering 2016 Ltd Ltd (Neyland) Business Park Neyland SA73 1SJ HCM Electrical Ltd Unit 6 Amber Trading NG16 HCM Electrical Ltd (Giltbrook) Estate Artic Way Giltbrook 2HS Hertel (UK) Limited Middlesborough Hertel (UK) Limited (Middlesborough) Cargo Fleet Offices Road South Bank Middlesbrough TS6 6XJ Hickey & Company Hickey & Company (Brewery & (Brewery & Dairy Dairy Engineers) Ltd Engineers) Ltd (Bromley) 16 Kingswood Avenue Shortlands Bromley BR2 0NY Hi-Line Services (Lichfield) WS14 Hi-Line Services (Lichfield) Ltd Ltd (Lichfield) 56 Britannia Way Lichfield 9UY Hitachi Zosen Inova UK Ltd Hitachi Zosen Inova UK Ltd (Farnborough) The Hub Fowler Avenue Farnborough GU14 7JF Hold Engineering Ltd Hold Engineering Ltd (Haile) Unit 29 Beckermet Industrial Estate Haile CA22 2NH Holme Steel Fabricators Ltd Holme Steel Fabricators Ltd (Scunthorpe) 2 Bessemer Way Sawcliffe Industrial Park Scunthorpe DN15 8XE Horizon Services Ltd Services Ltd (Gloucester) Wylfa Newydd Wylfa site office Cemaes Bay Anglesey LL67 0DH Hornbill Engineering Ltd Darcy Business Hornbill Engineering Ltd (Neath) Unit 6 Park Llandarcy Neath SA10 6EJ Howden UK Ltd Howden UK Ltd (Renfrew) Old Govan Road Renfrew PA4 8XJ WS10 Hydratight Ltd Hydratight Ltd (Darlaston) Bentley Road South Darlaston 8LQ Hydro International Hydro International (Wastewater) Ltd (Wastewater) Ltd (Ely) Prickwillow Road Ely CB7 4TX Idec Technical Services Ltd Preston Farm Business Stockton-on- Idec Technical Services Ltd (Stockton-on-Tees) Concorde House Concorde Way Park Tees TS18 3RB Industrial Technology Industrial Technology Systems Systems Ltd High Force Ltd (Middlesbrough) ITS House Road Riverside Park Middlesbrough TS2 1RH InSite Technical Services InSite Technical Services Pembroke Limited Limited (Pembroke Dock) 1 Cleddau Bridge Business Park Dock SA72 6UP ECITB Register of Leviable Establishments – 5 February 2021

Sidings Inspec Systems Ltd Inspec Systems Ltd (Hull) Sidings House Business Park Freightliner Road Hull HU3 4XA Intelect (UK) Ltd Intelect (UK) Ltd (Middlesbrough) Stephenson House Intelect Court Riverside Park Middlesbrough TS2 1QT Interface Contracts Ltd Interface Contracts Ltd (Oldham) Argent House Shaw Road Oldham OL1 4AW IRISNDT Ltd IRISNDT Ltd (Immingham) Middleplatt Road Immingham DN40 1AH CALIBRATION & Wellheads ITS Testing Services (UK) METERING Units 19D & Industrial Wellheads ITS Testing Services (UK) Ltd Ltd (Dyce) SERVICES DIVISION 20D Centre Crescent Dyce AB21 7GA J & M Mechanical and J & M Mechanical and Fabrication Ltd Fabrication Ltd (Scunthorpe) East Common Lane Scunthorpe DN16 1DA J R Macro Ltd J R Macro Ltd (Chelmsford) Sunnyside Vicarage Road Roxwell Chelmsford CM1 4NB No 2 Booths WA16 Jacobs Clean Energy Ltd Jacobs Clean Energy Ltd (Knutsford) Park Chelford Road Knutsford 8QZ Jacobs Field Services Ltd Jacobs Field Services Ltd (Grimsby) Humber Road Barton-Upon-Humber DN18 5BN Jacobs UK Ltd Jacobs UK Ltd (ATN) Park Square Birdhall Lane Cheadle SK3 0XF Jacopa Ltd (West Jacopa Ltd Bromwich) Cornwallis Road Millard Industrial Estate West Bromwich B70 7JF JBD Tritec Ltd - Pipework JBD Tritec Ltd - Pipework Division Division (Glasgow) JBD Tritec 430, Helen Street Glasgow G51 3HR Jee Ltd Jee Ltd (Tonbridge) Hildenbrook House The Slade Tonbridge TN9 1HR Jemsar Engineering Limited Greenwood Jemsar Engineering Limited (Grimsby) Radnor House Close Cardiff Gate Business Park Cardiff CF23 8AA Astron Hearthcote DE11 Jex Process Services Ltd Jex Process Services Ltd (Swadlincote) Business Park Road Swadlincote 9DW JMN Construction Ltd JMN Construction Ltd (Eastleigh) 3 Morgan Le Fay Drive Chandlers Ford Eastleigh SO53 4JF Johnson Matthey Davy Johnson Matthey Davy Technologies Ltd Technologies Ltd (Paddington) 10 Eastbourne Terrace Paddington W2 6LE Johnston Rigging (Fife) Ltd The Old Cluny Johnston Rigging (Fife) Ltd (Kirkcaldy) Warehouse Cluny Kirkcaldy KY2 6QS ECITB Register of Leviable Establishments – 5 February 2021

K Home International Ltd Stockton on K Home International Ltd (Thornaby) Ingram House Allensway Thornaby Tees TS17 9HA K.C.M Services Ltd K.C.M Services Ltd (Hull) Greendale Main Street Lelley Hull HU12 8SN KCA Deutag Drilling Ltd KCA Deutag Drilling Ltd (RDS) Bankhead Drive City South Office Park Porthleven AB12 4XX KCS Herr-Voss UK Ltd KCS Herr-Voss UK Ltd (Halesowen) Glassworks House Park Lane Halesowen B63 2QS Kellogg Brown & Root (UK) Kellogg Brown & Root (UK) Ltd Ltd (Leatherhead) Hill Park Court Springfield Drive Leatherhead KT22 7NL KentKraft Ltd KentKraft Ltd (Rochester) Unit 26, Victory Park Trident Close Medway City Estate Rochester ME2 4ER King Site Services (South King Site Services (South West) Ltd West) Ltd (Treorchy) 47A Brook Street Blaenrhondda Treorchy CF42 5SA Alvaston Kirstall Ltd Kirstall Ltd (Nantwich) Unit 5 Business Park Middlewich Road Nantwich CW5 6PF Laker Vent Engineering Ltd Laker Vent Engineering Ltd (Ellesmere Port) Laker House North Road Ellesmere Port CH65 1BA Ledwood Mechanical Ledwood Mechanical Engineering Ltd (Pembroke Pembroke Engineering Ltd Dock) Waterloo Industrial Estate Dock SA72 4RR Liquid Gas Equipment Ltd William Rankin Rosyth Liquid Gas Equipment Ltd (Rosyth) Bulding Business Park Rosyth Dunfermline KY11 2YD Lamby Workshops Lamby LME (UK) Ltd LME (UK) Ltd (Cardiff) PO Box 3167 Unit 18 Way Cardiff CF30 0FJ Lodge Cottrell Ltd Lodge Cottrell Ltd (Halesowen) Trinity Point East Halesowen B63 3HY Lorien Engineering Lorien Engineering Solutions Solutions Ltd (Burton-on- Burton-on- DE14 Ltd Trent) Millenium Court First Avenue Centrum 100 Trent 2WH M & N Electrical and M & N Electrical and Mechanical Services Ltd Mechanical Services Ltd (Portland) Unit 12, Southway Southwell Business Park Portland DT5 2JS M C Integ Ltd (Bury St Bury St M C Integ Ltd Edmunds) Integ House Rougham Industrial Estate Edmunds IP30 9ND M C Steel Structures Ltd WV15 M C Steel Structures Ltd (Bridgnorth) 116 Papermill Cottage Alveley Bridgnorth 6HF ECITB Register of Leviable Establishments – 5 February 2021

Machine Monitoring Systems Machine Monitoring Hanger 1, Springfield OX14 Ltd Systems Ltd (Abingdon) Park PO Box 612 Abingdon 9GU Ltd (Berkeley) Berkeley Site Berkeley GL13 9PA Magnox Ltd Magnox Ltd (Bradwell) Bradwell Site Bradwell on Sea Southminster CM0 7HP Magnox Ltd Magnox Ltd (Chapelcross) Chapelcross Site Annan DG2 6RF Magnox Ltd Magnox Ltd (Dungeness A) Dungeness Site Romney Marsh TN29 9PP Magnox Ltd (Hinkley Point Near Magnox Ltd A) Hinkley Point A Site Bridgwater TA5 1YA Magnox Ltd Magnox Ltd (Hunterston A) Hunterston A Site West Kilbride KA23 9RA Magnox Ltd Magnox Ltd (Oldbury) Oldbury Site Thornaby BS35 1RQ Magnox Ltd Magnox Ltd (Sizewell A) Sizewell A Site Near Leiston IP16 4UE Blaenau Magnox Ltd Magnox Ltd (Trawsfynydd) Trawsfynydd Site Ffestiniog LL41 4DT Wylfa Nuclear Power Magnox Ltd Magnox Ltd (Wylfa) Station Camaes Anglesey LL67 0DH MAN Energy Solutions UK MAN Energy Solutions UK Ltd Ltd (Primeserv) 1 Mirrlees Drive Hazel Grove Stockport Cheshire SK7 5BP MAN Energy Solutions UK MAN Energy Solutions UK Ltd Ltd (Redhill) Betchworth House Queensway Redhill RH1 1DL Manrochem Ltd Manrochem Ltd (Brighouse) Hastings House Birds Royd Lane Brighouse HD6 1LQ Matom Ltd Matom Ltd (Conwy) 24 Castle Street Conwy LL32 8AY McDermott Marine McDermott Marine Bedfont Lakes TW14 Construction Ltd Construction Ltd (Epsom) No 2 New Square Business Park Feltham 8HA Mechatherm International Mechatherm International Ltd Ltd (Kingswinford) Hampshire House High Street Kingswinford DY6 8AW Mectec Engineering Limited Mectec Engineering Limited (Wrexham) Unit 18 Miners Park Wrexham LL12 0PJ Currock Road Meldrum Ltd Meldrum Ltd (Carlisle) Unit 14 Trade Centre Currock Road Carlisle CA2 5AD MII Engineering Ltd Pant Glas MII Engineering Ltd (Caerphilly) Unit 20 Industrial Estate Bedwas Caerphilly CF83 8DR Motherwell Bridge Ltd Motherwell Bridge Ltd (Motherwell) PO Box 4 Logans Road Motherwell ML1 3NP Mustang Engineering Ltd Cawsey GU21 Mustang Engineering Ltd (Woking) WoodGroup Mustang Export House Way Woking 6QX ECITB Register of Leviable Establishments – 5 February 2021

MW High Tech Projects UK MW High Tech Projects UK Ltd Ltd (Chippenham) Methuen South Bath Road Chippenham SN14 0GT N.R.L Group Ltd N.R.L Group Ltd (Egremont) NDT DIVISION The Old Lodge Main Street Egremont CA22 2DB Neptune Subsea Engineering Neptune Subsea Ltd Engineering Ltd (Aberdeen) 26 Carden Place Aberdeen AB10 1UQ N-ERGISE Ltd (Great 5th Floor Havenbridge Great N-ERGISE Ltd Yarmouth) House North Quay Yarmouth NR30 1HZ NNB Generation Company NNB Generation Company (HPC) Ltd (HPC) Ltd (Bridgwater) Mallard Court Express Park Bristol Road Bridgwater TA6 4RN Noble Denton Consultants Noble Denton Consultants Ltd Ltd (Slough) 4th Floor Vivo Building 30 Stamford Street London SE1 9LQ Normand and Thomson Normand and Thomson (Hillend) Ltd (Hillend) Ltd (Dalgety Bay) Thomson House Ridgeway Hillend Industrial Park Dalgety Bay KY11 5JH Northallerton Steel Erection Northallerton Steel Erection Wooden Hill Ltd Ltd (Northallerton) Whiteways Lane Romanby Northallerton DL7 8UX Northern Combustion Systems Northern Combustion WF13 Ltd Systems Ltd (Dewsbury) Pepperoyd Works Battye Street Dewsbury 1NX Nuffield Radiographic Nuffield Radiographic Inspection Ltd Inspection Ltd (Poole) Unit B13 & 14 46 Holton Road Holton Heath Poole BH16 6LT Nuvia Limited Nuvia Limited (Risley) Chadwick House Birchwood Park Risley Warrington WA3 6AE Aberdeen Oceaneering International Oceaneering International Building 3, Levels 2 & International Services Ltd Services Ltd (Dyce) 3 Business Park Dyce Drive AB21 0BR ODE Asset Management Great ODE Asset Management Ltd Ltd (Great Yarmouth) Marine Base 88 South Denes Road Yarmouth NR30 3QF Odour Services International Unit 14 Morston Kingswood Ltd Odour Services International Ltd (Cannock) Court Lakeside Cannock Staffordshire WS11 8JB Offshore Design Offshore Design Engineering Engineering Ltd SW19 Ltd (Wimbledon) St. George's House 5 St. George's Road Wimbledon 4DR On Line Design & On Line Design & Engineering Engineering Ltd Ltd (Immingham) On Line House Pelham Road Immingham DN40 1AB On Line People Ltd On Line People Ltd (Immingham) On Line House Pelham Road Immingham DN40 1AB ECITB Register of Leviable Establishments – 5 February 2021

Klyne Aviation One-Dyas UK Ltd One-Dyas UK Ltd (Norwich) Business Centre Suite H 5 Buck Courtney Crescent Norwich NR6 6JT OneSubsea UK Ltd OneSubsea UK Ltd (Portlethen) Badentoy Avenue Portlethen AB12 4YB Optimus (Aberdeen) Ltd Optimus (Aberdeen) Ltd (Aberdeen) Gordon House 27 Rubislaw Den North Aberdeen AB15 4AL Henry Boot Optimus Services Ltd Optimus Services Ltd (Hull) OSL House Way Priory Park East Hull HU4 7DF Orbis Engineering Services Orbis Engineering Services Ltd Ltd (Stafford) 35 Wolseley Court Staffordshire Technology Park Stafford ST18 0GA Ovivo UK Ltd Railway Ovivo UK Ltd (Wolverhampton) Ovivo UK Limited 2nd Floor, i10 Building Drive Wolverhampton WV1 1LH Gladstone Stockton-on- P & I Design Ltd P & I Design Ltd (Thornaby) 2 Reed Street Industrial Estate Thornaby Tees TS17 7AF P.P.S Electrical Ltd (Barrow Barrow in P.P.S Electrical Ltd in Furness) 187 Duke Street Furness LA14 1XU 44 Bishopdale Padken Steel Erectors Ltd Padken Steel Erectors Ltd (Warrington) Close Great Sankey Warrington WA5 3DF PD & MS Energy (Aberdeen) PD & MS Energy Ltd (Aberdeen) Ltd (Aberdeen) Ardent West North Esplanade West Aberdeen AB11 5QH PDF Erection Services Ltd PDF Erection Services Ltd (Dorchester) Abbots Leat Nether Cerne Dorchester DT2 7AJ Peter J Douglas Engineering Peter J Douglas Ltd Engineering Ltd (Colwich) The Sidings Main Road Colwich ST17 0XD Petrofac Facilities Petrofac Facilities Management Ltd Management Ltd (Aberdeen) Bridge View 1 North Esplanade West Aberdeen AB11 5QF Pipeweld International Ltd Pipeweld International Ltd (Rochester) Nursery Court Stoke Road Hoo Rochester ME3 9NT Devon Enterprise 1 Belliver Pipex Ltd Pipex Ltd (Plymouth) Pipex House Facility Way Roborough Plymouth PL6 7BP PJ Welding Limited Newcastle PJ Welding Limited (Newcastle Upon Tyne) 29 Forest Gate Upon Tyne NE12 9EF ECITB Register of Leviable Establishments – 5 February 2021

Ponticelli UK Ltd Ponticelli UK Ltd (Aberdeen) Brodies House 31 - 33 Union Grove Aberdeen AB10 6SD Premier Engineering Premier Engineering Corporation Ltd Corporation Ltd (Dartford) Regus House Victory Way Admirals Park Dartford DA2 6QD Primetals Technologies Ltd Unit S, Europa Primetals Technologies Ltd (Sheffield) Davy House Link Sheffield Business Park Sheffield S9 1XU Proeon Systems Ltd Hethel Engineering Proeon Systems Ltd (Norwich) Centre Chapman Way Hethel Norwich NR14 8FB PROjEN Ltd (Preston PROjEN Ltd Brook) 1100 Daresbury Park Warrington WA4 4HS Proviso Systems Ltd Proviso Systems Ltd (Doncaster) Mattersey Road Doncaster DN10 5DS Pruce Newman Pipework Pruce Newman Pipework Ltd Ltd (Wymondham) Ayton Road Wymondham NR18 0QJ PX Engineering Consultants PX Engineering Consultants Stockton-on- Ltd Ltd (Stockton-on-Tees) PX House Westpoint Road Stockton Road Tees TS17 6BF Quanta EPC Ltd (Newcastle Northumberland Quanta EPC Ltd upon Tyne) 2 Berrymore Court Business Park Cramlington NE23 7RZ Quasam Limited Quasam Limited (Cramlington) Hubbway House Suite 18 Bassington Lane Cramlington NE23 8AD R & J Pipework Ltd R & J Pipework Ltd (Brooke) Howe Pit Norwich Road Brooke NR15 1HJ R J Wilson Steel Erection R J Wilson Steel Erection Ltd Ltd (Southampton) 180 Weston Lane Weston Southampton SO19 9HL Minerva Rayfern Ltd Rayfern Ltd (Peterborough) Treerange House Business Park Lynch Wood Peterborough PE2 6QR RB Plant Construction Ltd ME17 RB Plant Construction Ltd (Maidstone) RB House The Square Lenham Maidstone 2PG Rhyal Engineering Ltd Rhyal Engineering Ltd (Milford Haven) Units 8 Thornton Industrial Estate Milford Haven SA73 2RX Robru Ltd Robru Ltd (Preston) White Moss Gate Horns Lane Goosenargh Preston PR32NE Bumpers Farm Industrial SN14 Rotamat Ltd Rotamat Ltd (Chippenham) Units C & D Brunel Park Estate Chippenham 6NQ S & G Process Engineering S & G Process Engineering Brickmakers Ltd Ltd (Sittingbourne) Unit 5C Industrial Estate Castle Road Sittingbourne ME10 3RL ECITB Register of Leviable Establishments – 5 February 2021

S & H Fabrications Ltd S & H Fabrications Ltd (Rochester) Unit 4, Jackson Park Kingsnorth Hoo Rochester ME3 9ND S & M Pipework Ltd S & M Pipework Ltd (Sheffield) 53 Pen Nook Gardens Deepcar Sheffield S36 2TX S T & W Inspections Ltd Unit B13 St Georges S T & W Inspections Ltd (Sittingbourne) Business Park Eurolink Industrial Estate Sittingbourne ME10 3TB Kingston upon Saipem Ltd Saipem Ltd (Surrey) Saipem House 12-42 Wood Street Thames KT1 1TG Schenck Process UK Ltd Schenck Process UK Ltd (Thorne) Unit 3 Alpha Court Capital Park Thorne DN8 5TZ Ltd (Decommissioning) Sellafield Site Seascale CA20 1PG Sellafield Ltd Sellafield Ltd (Major Projects) Sellafield Site Seascale CA20 1PG Semco Maritime Ltd Tern Place Denmore Semco Maritime Ltd (Aberdeen) Industrial Estate Bridge Of Don Aberdeen AB23 8JX Balmacassie SengS Engineering Solutions SengS Engineering Balmacassie Commercial Ltd Solutions Ltd (Ellon) SengS House Way Park Ellon Ellon AB41 8BR Shepley Engineers Ltd Westlakes Shepley Engineers Ltd (Whitehaven) Robinson House Science Park Crow Park Way Whitehaven CA24 3HY Siemens Energy Ltd Siemens Energy Ltd (Surrey) 2 Koppers Way Monkton Business Park South Hebburn NE31 2EZ Siemens plc (Energy Fossil Instrumentation and Sir William Siemens plc Electrical) Siemens House Princess Road Manchester M20 2UR CA Parsons Siemens plc Siemens plc (Energy Service Fossil) Works Shields Road Newcastle NE6 2YL Sir William Siemens GU16 Siemens plc Siemens plc (Fossil Power Generation) Square Frimley Camberley 8QD Simkiss Control Systems Simkiss Control Systems Ltd Ltd (Manchester) Unit 2 Bentley Ave Middleton Manchester M24 2GP Simon Carves Engineering Simon Carves Engineering Ltd Ltd (Manchester) Ground Floor Altitude House Atlas Park Simonsway Manchester M22 5PP Site Heat Treatment Services Ltd Site Heat Treatment Services Ltd (Port Talbot) Unit 2 Henshaw Street Ind. Estate Port Talbot SA12 6NH ECITB Register of Leviable Establishments – 5 February 2021

Site Service Engineering Site Service Engineering Ltd Ltd (Scunthorpe) 18 Woodhouse Road Scunthorpe DN16 1BD Sitek Consultancy Services 19 Hellesdon Hellesdon Park Industrial Ltd Sitek Consultancy Services Ltd (Norwich) Park Road Estate Norwich NR6 5DR SMS Group Technical SMS Group Technical Services (UK) Ltd 40-41 The Bridge Services (UK) Ltd (Chesterfield) Business Centre Beresford Way Chesterfield S41 9FG Woodcote KT18 SNC-Lavalin UK Ltd SNC-Lavalin UK Ltd (Croydon) Grove Ashley Road Epsom 5BW Sonomatic Limited Sonomatic Limited (Warrington) Dornoch House The Links Birchwood Warrington Warrington WA3 7PB Specialised Management Specialised Management Services Ltd (Great Gorleston- Great Services Ltd Yarmouth) Starling House Lancelot Road Beacon Park on-sea Yarmouth NR31 7BF Advance St Mark's Stockton On Spie Limited Spie Limited (Stockton -on-Tees) 2nd Floor House Court Tees TS17 6QX Spirac Ltd Spirac Ltd (Banbury) Spirac House Thorpe Mead Banbury OX16 4AB SSE Contracting Ltd SSE Contracting Ltd (Southampton) Castle Malwood Minstead Near Lyndhurst Southampton SO43 7PE Stall-Mech Engineering Stall-Mech Engineering DN41 Services Ltd Services Ltd (Grimsby) North Moss Lane Stallingborough Grimsby 8DG Staptina Engineering Services Staptina Engineering Ltd Services Ltd (Halifax) Pennine Works Grantham Road Boothtown HX3 9PL Starrs Contract Services Ltd Starrs Contract Services Ltd (Middlesbrough) 27 Farm Bank Road Ormesby Middlesbrough TS7 9EE AB51 STATS UK Ltd STATS UK Ltd (Kintore) STATS House Tofthills Way Midmill Industrial Estate Kintore 0QG Steel Work Construction Ashley Head Limited Steel Work Construction Limited (Preston) Farm Ashley Lane Goosnargh Preston PR3 2EE Stopford Projects Ltd Stopford Projects Ltd (Ellesmere Port) Custom House Merseyton Road Ellesmere Port CH65 3AD Stork Technical Services Stork Technical Services (RBG) Ltd (RBG) Ltd (Aberdeen) Norfolk House Pitmedden Road Dyce AB21 0DP Stortec Engineering Ltd Unit 15 Deanfield Stortec Engineering Ltd (Clitheroe) Drive Link 59 Business Park Clitheroe BB7 1QJ ECITB Register of Leviable Establishments – 5 February 2021

Stowen Ltd (Great Unit 1 Jamess Watt Great Stowen Ltd Yarmouth) Close Great Yarmouth Yarmouth NR31 0NX Straight Line Services Ltd Straight Line Services Ltd (Dartford) Chapter House Unit B, Riverside Way Dartford DA1 5BS Studley Engineering Ltd Studley Engineering Ltd (Liverpool) 3 Hornhouse Lane Knowsley Industrial Estate Liverpool L33 7YQ Subsea 7 (UK Service Quadrant The Company) Ltd Subsea 7 (UK Service Company) Ltd (GPC) House Quadrant Sutton Surrey SM2 5AS Subsea 7 (UK Service Subsea 7 (UK Service Company) Ltd (I-TECH Tarland Company) Ltd DIVISION) East Campus Road Westhill Aberdeen AB32 6JZ Arnhall Subsea 7 (UK Service Prospect Business Company) Ltd Subsea 7 (UK Service Company) Ltd (NSC) East Campus Road Park Aberdeen AB32 6FE Subsea 7 (UK Service Erskine Old Company) Ltd Subsea 7 (UK Service Company) Ltd (PPG) Napier House Ferry Road Kilpatrick Glasgow G60 5EU Surrey Steel Supply & Fit Unit 3B, Rainbow Station Raynes Surrey Steel Supply & Fit Ltd Ltd (London) Industrial Estate Approach Grand Drive Park London SW20 0JY T & A Construction Ltd T & A Construction Ltd (Barnsley) The Greyhavens Pinfold Lane Royston Near Barnsley S71 4PQ Astron DE11 T Musk Engineering Ltd T Musk Engineering Ltd (Swadlincote) Business Park Hearthcote Road Swadlincote 9DW Cherry Tree Business Pywipe Technica Ltd Technica Ltd (Grimsby) Park Industrial Estate Off Estate road number 5 Grimsby DN31 2TX Technical Inspection Technical Inspection Services Services (UK) Ltd (UK) Ltd (Clevedon) Unit 21 Hither Green Clevedon Clevedon BS21 6XU Technip E&C Ltd Technip E&C Ltd (London) The Pinnacle 170 Midsummer Boulevard Milton Keynes MK9 1BP Technip UK Ltd Technip UK Ltd (OED) Enterprise Drive Westhill Aberdeen AB32 6TQ Technip UK Ltd Technip UK Ltd (UK BU) Enterprise Drive Westhill Aberdeen AB32 6TQ Techno Engineering Ltd Pembroke Techno Engineering Ltd (Pembroke Dock) Waterloo Industrial Estate Dock SA72 4RR TEI Ltd TEI Ltd (Wakefield) PO Box 80 Calder Vale Road Wakefield WF1 5YS TesTex NDT Ltd (North North TesTex NDT Ltd Killingholme) Maritime House Lancaster Approach Killingholme DN40 3JZ ECITB Register of Leviable Establishments – 5 February 2021

Thyson Technology Ltd Thyson Technology Ltd (Ellesmere Port) 4, Helix business Park New Bridge Road Ellesmere Port CH65 4LX ThyssenKrupp Industrial ThyssenKrupp Industrial Solutions Oil and Gas Ltd c/o ThyssenKrupp UK Stratford Solutions Oil and Gas Ltd (Port Talbot) plc 3rd Floor Friars Gate Road Shirley B90 4BN Trillium Flow Services UK TRILLIUM Flow Trillium Flow Services UK Ltd Ltd (Glasgow) Services UK Limited 20 Waterloo Street Glasgow G2 6DB Turbo Machinery Services Turbo Machinery Services Ltd Ltd (Bedford) 4a Aston Road Cambridge Road Industrial Estate Bedford MK43 0LJ Ultramag Inspection Services Ultramag Inspection Central Ltd Services Ltd (Southampton) Unit 4V Crescent Marchwood Industrial Park Southampton SO40 4BJ Unit Engineers & Constructors Unit Engineers & Baldwins Ltd Constructors Ltd (Swansea) Unit House Crescent Crymlyn Burrows Swansea SA1 8QE Vogal Group Ltd 11 Flaxley Vogal Group Ltd (Peterborough) Vogal Group Ltd Road Kingston Park Peterborough PE2 9EN Vulcain Engineering Ltd Stonehouse Vulcain Engineering Ltd (Stonehouse) Unit 601 Park Sperry Way Stonehouse GL10 3UT VWS (UK) Ltd VWS (UK) Ltd (High Wycombe) Windsor Court Kingsmead Business Park High Wycombe HP11 1JU VWS Westgarth Ltd VWS Westgarth Ltd (Glasgow) Orbital House 3 Redwood Crescent East Kilbride G74 5PR W M Codd Ltd (Barton- Barton-on- DN18 W M Codd Ltd Upon-Humber) Beck Hill Humber 5HG Walker Engineering (NW) Walker Engineering (NW) Ltd Ltd (Skelmersdale) Units 27-31 Pit Hey Place Pimbo Skelmersdale WN8 9PS Westwell Developments Ltd Westwell Developments Ltd (Rochester) Whitewall Road Frindsbury Rochester ME2 4DZ Whessoe Engineering Ltd Whessoe Technology Whessoe Engineering Ltd (Darlington) Centre Morton Palms Darlington DL1 4WB Whitland Engineering Ltd Whitland Engineering Ltd (Whitland) Unit B West Street Whitland SA34 0AE Wisbech Electrical Ltd Wisbech Electrical Ltd (Wisbech) Bannisters Row Wisbech PE13 3HZ Wood Group UK Ltd Wood Group UK Ltd (Aberdeen) Sir Ian Wood House Hareness Road Altens Industrial Estate Aberdeen AB12 3LE ECITB Register of Leviable Establishments – 5 February 2021

Craven Street Kingston upon Wood Group UK Ltd Wood Group UK Ltd (OMS) Sovereign House South Hedon Road Hull HU9 1AP Worley Europe Ltd Worley Europe Ltd (Brentford) 27 Great West Road Brentford TW8 9BW Worley Field Services Worley Field Services Limited Limited (Grimsby) Armstrong Street Grimsby DN31 1XD Worley Group UK Ltd Lansbury 102 Lower Worley Group UK Ltd (Brentford) Units 3 & 4 Estate Guildford Rd Knaphill Woking GU21 2EP Worley Services UK Ltd Worley Services UK Ltd (Aberdeen) Annan House Palmerston Road Aberdeen AB11 5QP Gapton Hall Industrial Great NR31 Worley Services UK Ltd Worley Services UK Ltd (Great Yarmouth) Edison Way Estate Yarmouth 0NG Wright Brothers Industrial Wright Brothers Industrial Services Ltd Services Ltd (Worksop) Carlton Forest Red Lane Blyth Road Worksop S81 8BP WSP UK Ltd WSP UK Ltd (Industry) CEL House Westwood Way Ewestwood Business Park Birmingham CV4 1HS Newcastle WSP UK Ltd WSP UK Ltd (Energy) Amber Court William Armstrong Drive Upon Tyne NE4 7YQ Xodus Group Ltd Xodus Group Ltd (London) Cheapside House 138 Cheapside London EC2V 6BJ