Agriculture/Food Products
- ADM
- Cargill
- Tate & Lyle
- Nabisco
- Nestle
- Pillsbury
Biotechnology
- Genentech, Inc.
- Monsanto
Chemical
- BASF
- Calgon Corporation
- Chevron
- Ciba
- Clorox
- Dow Chemical Company
- DuPont
- Eastman Chemical Company
- Goodyear Tire & Rubber Company
- Hoechst Internet Forum
- Koch Industries
- Lanxide Coated Products
- Molten Metal Technology
- Phoenix Polymers, Inc.
- Proctor & Gamble
- Quest Consultants, Inc.
- Radian Corporation
- Replas, Inc.
- Rohm and Haas
- Sematech
- Shell Chemical Company
- Sigma Chemical Company
- Solutia
Controls and Instruments
- Fisher-Rosemount
- Foxboro
- Hitachi Instruments, Inc.
- Honeywell
- Zilog
Energy
- Edison International
- Minnesota Power
- Pacific Gas & Electric Co.
- Husky Energy
Engineering Services
- Aspen Technology, Inc.
- Bechtel
- Schlumberger
- Simulation Sciences inc.
- TRW
Environment/Safety
- Apex Environmental Inc
- Millipore
- Osmonics
- MPCA
- TRC
- Wahlco
Materials/Minerals
- 3M
- AlliedSignal
- Corning
- Dielectric Polymers
- Mintac (US Steel)
Petroleum
- BP
- ConocoPhillips
- ExxonMobil
Pharmaceuticals
- Astra Pharmaceuticals
- Eli Lilly and Company
- Merck
- Pfizer, Inc.
- Vertex Pharmaceuticals, Inc.
Pulp and Paper
- International Paper
- Boise Paper
- Georgia-Pacific
- Kimberly-Clark
- SAPPI
- Verso Corporation
Semiconductor/Electronic
- Advanced Micro Devices
- ATT
- General Electric
- Hutchinson Technology
- IBM Corp.
- ADM
- Intel
- Lucent Technologies
- Motorola
- National Semiconductor