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
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