OG&E (Oklahoma Gas and Electric)
OTTO Industries
PG&E (Pacific Gas and Electric) 
Porter Cable
Pentair
Plastag Corporation
Real World Technology
Rexnord
RGC Communications
Riverside Publishing
Resource Commercial Flooring Network
Rust-Oleum
Sarnafil Inc.
Spirax Sarco
Stonhard
Stone Container Corporation
Strandware
Summit Industries
Sun Ergoline Inc.
Symbol Technologies
Topiary Communications, Inc.
Tuthill Corporation
Up-N-Atom
US Environmental Protection
Valve Manufacturers Assoc.
WMH Tool Group
Women's Health Foundation
Zebra Technologies Corp.

Armstrong Industrial Specialties
BP Amoco Chemical
Binding Industries of America
Caterpillar 
Chicago Tag & Label, Inc. 
Communication Intelligence Corporation
Commonwealth Edison
Covington & Burling 
Degussa-Huls
DocuSystems
The Dow Chemical Company
Energy Center of Wisconsin
Emerson Process Management
EPRI (Electric Power Research Institute) 
The Euclid Chemical Company
Falk Renew 
Flex Products
GAF Materials Corp.
Gould's Pumps-ITT
Hydro Aluminum North America
ICC (International Component Corp.)
ITT Fluid Technology Corp.
ITT Engineered Valves
Ivega 
Leo Burnett U.S.A. - Idealab
Lowara Spa
Manhattan Toy Europe, Ltd.
Medela, Inc. 
Media Pull
Midwest Young Artists