Alcan Aluminum
Alcoa (Stolle-Wiebe Div.)
Allied Signal
Ambar Chemical
Aqua Design
Aquatech Systems
Bain
Calgon Carbon Corp.
Caribbean Utility Co.
Cascade Separations/Bend Research
Church & Dwight
Citicorp
Conversion Technologies
Degussa Chemical
Eltech/Eltech Research
Freudenberg
General Chemical
Givaudan-Roure
Great Lakes Chemical
Graver Chemical
Guarantee Electric/GISMO
Hi-Tech Environmental
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Hoechst-Celanese
Infilco Degremont
Kaneka Pharma
Komline-Sanderson
KPMG
Magruder Radiant
Membrane Systems
Membrex
Octagon Inc.
Oremet-Wah Chang
PQ Corporation
Princess Hotels
Purity Systems, Inc.
Royal Oasis Golf Resort and Casino
Rhone-Poulenc
Ruska Instruments
Silicone Derivatives
Smith & Loveless
Solar Dynamics, Ltd.
Technologica Aplicada en Fluidos, SA de CV
VanCamp Tuna
West Indies Home Contractors
Zumtobel-Staff Lighting
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