| ABB |
J.R. Simplot |
| AIRCO Gases |
Koch Microelectronics |
| Alabama River Pulp Co. |
Lam Research |
| Alameda County Water District |
Lawrence Livermore Labs |
| Alcatel Fiber Optic |
Lincoln Laboratory |
| AMOCO |
Lockheed Martin |
| Appleton Papers, Inc. |
Lone Star Airgas |
| Applied Materials |
Los Angeles Dept. Water & Power |
| ARCO Chemical |
Louisiana Tech. |
| ARCO Oil & Gas Co. |
Lucent Technologies |
| Armada de Ecuador |
Mattson Technology |
| Army Research Labs (ARL) |
Maxim Integrated Products |
| Avery Dennison |
Mayo Clinic |
| Baxter, Inc. |
Mead Paper Company |
| Bechtel Bettis |
MEMC Microelectronics |
| Berry Petroleum |
Metropolitan Water Dist. (L.A.) |
| Black & Veatch |
MIT Massachsetts Institute Technology |
| Boeing |
Mobil Oil |
| Boeing |
Mondavi Winery |
| Boise-Cascade |
Monsanto Chemical |
| Borden Foods Co. |
Moorhead MN Waste Water Plant |
| Brigham Young University |
NASA Space Center |
| British Petroleum |
Occidental Chemical |
| Carrier |
Olin Chemicals |
| CEMEX (Mexico) |
Omni Industrial Systems |
| Compania Federal de Electricidad (Mexico) |
PDVSA (Venezuela) |
| Cincinnati OH Water Dist. |
Pemex (Mexico) |
| ConAgra Grain Processors |
Penoles (Mexico) |
| ConocoPhillips |
Perry's Ice Cream |
| Consolidated Paper |
Philips Microelectronics |
| Coors Brewing Co. |
Potlatch Company |
| Corning Inc. |
Rayonier Inc. |
| Davis Wire |
Reynolds Metals |
| Dayton OH Water Dist. |
Riser Foods |
| Detrex Corporation |
Samsung |
| Dow Chemical |
San Bernardino CA Water District |
| Eastern Muni Water Dist. |
Sandia National Laboratories |
| E.I. Dupont |
San Diego CA Water District |
| Elf Atochem |
Santa Rosa CA Water District |
| Eli Lilly |
SCM |
| Emerson Electric |
Scott Paper Company |