ALCOA (Aluminium Company of America); ANGLOVAAL Ltd (Mining, South Africa); Armco (Latin American Division); Anheuser-Busch Companies; AT&T; Butterworth Health System; Carnegie Mellon University (Software Engineering Institute SEI); Carrier Corporation; Central Life Assurance Company; Charles Schwab; Chrysler Corporation; Clark Equipment Company; Commonwealth Energy Systems; Commonwealth Enterprises Company; Comm. Home Health Services of Philadelphia; Department of Justice (USA); Digital Equipment Corporation; DuPont; Eastman Kodak; The Edgars Group (Retail, South Africa); Ford Motor Company; General Health, Inc. (Baton Rouge); Government of Mexico; Health Care Forum; Hershey Medical Center; IBM; IECSA (Argentina); Institute for Futures Research, University of Stellenbosch, (South Africa); Imperial Oil Ltd. (Canada); Internal Revenue Service (IRS); Lockheed Martin; Marriott Corporation; Martin-Marietta Corporation; Metropolitan Life Insurance Company; National Institute of Mental Health; National Science Foundation (USA); NYNEX Science & Technology Inc.; ONEIDA Indian Nation, Wisconsin; Simera (Denel, Aerospace, South Africa); Super Fresh Food Markets; Tallahassee Memorial Regional Medical Center; Texas Rehabilitation Commission; VOLVO (Sweden); United Food & Commercial Worker's Union.