● 3Com Corporation ● GreenPoint Financial ● Pfizer Inc. ● Abacus Capital Investments ● Hambrecht & Quist Group ● Philip Morris ● Adaptec Foundation ● Harcourt General, Inc. ● Pitney-Bowes Inc. ● ADC Foundation ● Hemmings Motor News ● Platinum Technology ● Adobe Systems Inc. ● Heublein Foundation Inc. ● PNC Foundation ● Aegon Transamerica Foundation ● Highmark Blue Cross/Blue Shield ● Polaroid ● AES Corporation ● Hoechst Celanese Corp. ● Premark International Inc. ● Aetna Foundation ● Hoechst Marion Russell, Inc. ● Progressive Investment Corp. ● Alexander Hamilton Life ● Holyoke Mutual Insurance Co. ● Providian Financial ● Allegro Microsystems Inc. ● Home Depot ● Prudential Comm. Giving ● AMBAC Indemnity Corporation ● Home Savings of America Campaign ● American Express ● Hospitality Franchise Systems ● Quaker Oats ● American International Group, Inc. ● Honeywell ● Quantum Corporation ● Amgen Center ● Household International ● Radio City Music Hall ● Analytics Operations Engineering ● Hudson Webber Foundation Productions, Inc. ● Aon Corporation ● Illinois Tool Works ● Reader’s Digest ● Apple Computer Inc. ● IDS Financial Services, Inc. ● RealNetworks Foundation ● ARCO Chemical Co. ● Industrial Indemnity ● Reebok ● Argonaut Group Inc. ● ING Capital Holdings ● Rejuvenation, Inc. ● Arthur J. Gallagher Foundation ● Institutional Investor, Inc. ● Response Analysis ● Aspect Global Giving Program ● International Data Group ● Reuters America, Inc. ● Autodesk, Inc. ● Interra Financial ● Rexnord ● Automatic Data Processing ● J. Paul Getty Trust ● Ridgewood Savings ● Avon Products Foundation Inc. ● The James & Marshall Field Fund ● The Robert Wood Johnson ● AXA Foundation ● Jefferson-Pilot Foundation Foundation ● Bank Boston ● John Hancock Financial Services ● Rockefeller Group ● Bank of America Foundation ● Joseph E. Seagrams & Sons, Inc. ● Rolm Co. ● Bank of Tokyo-Mitsubishi ● Josten’s ● Roosevelt Bank ● Bankers Trust Foundation ● JP Morgan Chase Foundation ● Russell Sage Foundation ● Bay Networks ● Juran Institute, Inc. ● Safeco Corporation ● Becton-Dickinson Corp. ● Kaiser Family Foundation ● Sage Publications, Inc. ● Bell & Howell Foundation ● Kawasaki Motors Corporation ● St. Paul Companies, Inc. ● Bemis Associates Inc. ● Kemper Insurance Companies ● Sara Lee ● Bestfoods ● Kennecott Corp. ● Schindler Elevator Corporation ● Black & Decker Corporation ● Kimberly-Clark ● Sedgwick James, Inc. ● BMC Industries, Inc. ● Kinney Shoe Corp. ● Shaklee Corporation ● BP Amoco Corporation ● Kirkland & Ellis Foundation ● Sherwin Williams Company ● The Candle Foundation ● Kobe Steel USA, Inc. ● Shiva Corporation ● Capital Group Companies ● Lam Research Corporation ● Sony Pictures Entertainment ● CBS/Westinghouse Foundation ● LandAmerica Foundation ● Sony USA Foundation, Inc. ● CertCo, Inc. ● Landmark Graphics ● Sounds True, Inc. ● Champion International Corp. ● Legerity, Inc. ● Speer, Leeds & Kellog ● Charles Schwab Corp. ● Leo Burnett Company, Inc. ● Spiegel ● Chase Manhattan Foundation ● Levi Strauss Foundation ● The Stanley Works ● The Chicago Tribune ● Lilly Endowment Inc. ● Starbucks Coffee Company ● Chubb & Son, Inc. ● Liz Claiborne ● Stillpoint Institute, Inc. ● Cisco Systems ● Lotus Development Corporation ● Stokes Lawrence ● Citgo Petroleum ● Lyondell Chemical Company. ● Stream International Inc. ● Citibank/Citicorp/Citigroup ● Lubrizol Corporation ● Subaru of America Foundation ● Maguire Oil Company ● Sun Microsystems, Inc. ● Clorox ● Mallinckrodt Medical, Inc. ● Sundstrand Corporation ● Colonial Management Group ● Massachusetts Financial Services ● Swiss Bank Corporation ● Commercial Federal Bank Co. ● T. Rowe Price ● Compaq Computer Corporation ● Mass Mutual Life Insurance Co. ● Tellabs ● Computer Associates International, ● MasterCard International ● The Teagle Foundation Inc. ● Mattel Foundation ● Temple-Inland Inc. ● Cooper Industries ● Maytag Corporation ● Tenet Healthcard Foundation ● Corn Products International ● Mazda Inc. ● Tenant Foundation ● Corporate Community Affairs ● McDonnell Douglas Foundation ● Textron ● Corporate Software, Inc. ● McDonald’s Corporation ● Tiger Management Corporation ● CPI Corporation ● McGraw ● Time Warner, Inc. ● Cray Research ● McMaster-Carr Supply Co. ● Times Mirror Foundation ● CSC Index, Inc. ● Meredith Corporation ● Tom’s of Maine ● Datascope Corporation ● Microsoft Corporation ● Tootsie Roll Industries, Inc. ● Deutsche Bank Americas ● Millipore Foundation ● Transamerica Foundation Foundation ● Mitsubishi Trust & Banking Corp. ● Tricon Foundation ● Eastern Bank & Trust Co. ● Mobil ● Tupperware ● Eastern Enterprises ● Monsanto Fund ● Tyco Submarine Systems, Ltd. ● Eaton Vance Management ● MONY (Mutual of NY) ● Union Pacific Corp. ● Eli Lilly & Company Foundation ● Moody’s Corporation ● Union Texas Petroleum ● Energizer/Eveready Battery Co. ● Morgan Stanley & Co. ● Uniphase Corporation ● The Equitable Insurance ● Morrison & Foerster ● United Technologies Corp. Companies ● Mutual of America ● Universal Studios ● Everen Foundation ● Narragansett Electric Co. ● U.S. Fidelity & Guaranty Corp. ● Express Financial Services ● National Semiconductor ● U.S. West ● Fannie Mae Foundation Corporation ● The Vanguard Group ● First Bank Systems ● Neiman Marcus Group ● Vastar Resources, Inc. ● First Data Resources ● New Century Energies Foundation ● Veritas Software ● Fleet Bank ● New England Electric ● Verizon Foundation ● Focal Communications Corp. ● Newsweek, Inc. ● Vicorp ● Follett Corporation ● Nike, Inc. ● Washington Mutual Foundation ● Ford Foundation ● Nims Associates, Inc. ● The Washington Post ● Fort James Foundation ● Nintendo ● Wasser, Inc. ● Fortis Financial Group ● Nortel Networks, Inc. ● Waters Corporation ● Freddie Mac ● Northern Trust Company ● West Group ● Frederick S. Upton Co. ● Norton Company Foundation ● Westinghouse Electric ● Fred S. James & Co., Inc. ● NYCE Corporation Corporation ● Freedom Forum ● Oak Associated, Ltd. ● West Marine Products ● Freeport-McMoRan Inc. ● Omni Travel ● Whirlpool Corporation ● Gannett Foundation, Inc. ● Oracle Corporation ● Whitaker Foundation ● The Gap ● PC World/IDG Central Services ● The William Penn Foundation ● GATX Corporation ● Pacific Huts & Castles, Inc. ● Williams Company ● Geico ● Packard Foundation ● WFSB/TV3 ● General R E Corporation. ● Penn Central Corporation ● WMX Technologies, Inc. ● Gilman Paper Co. ● PepsiCo ● Woman’s World ● Glaxo-Wellcome, Inc. ● Perkins Charitable Foundation ● WRQ ● GMAC-Residential Funding Corp. ● XTRA Corporation ● Grand Canyon Association ● Zurich Reinsurance Center ● Grantham, Mayo, Van Otterloo & Co.