| Agilent Technologies (Hewlett Packard) | China |
| Angelica Healthcare Services Group | Illinois |
| Ames Lab | Iowa |
| Ball Plastic Container Corp. | Wisconsin |
| Brake Parts, Inc. | Illinois |
| CAI Recon Optical | Illinois |
| CNH Global, N.V. (Case) | Wisconsin |
| Chicago Transit Authority | Illinois |
| City of Chicago | Illinois |
| City of St. Louis | Missouri |
| Cummins-Allison Corporation | Illinois |
| Fairbanks Morse Engine Div. (Coltec) | Wisconsin |
| Fermi Labs | Illinois |
| GE Transportation | Florida |
| Genfare | Illinois |
| Goding Electric | Illinois |
| Grainger Integrated Supply | Illinois |
| Honda of America Mfg., Inc. | Ohio |
| Indiana Department of Transportation | Indiana |
| Industrias Sentinel Sa De Cv | Mexico |
| Lab-Line Instruments | Illinois |
| Omron Automotive | Illinois |
| McQuay International Marketing | Singapore |
| McDonnell Douglas / The Boeing Company | Missouri, California |
| Mercedes-Benz US International | Alabama |
| Metalex Manufacturing, Inc. | Ohio |
| Metropolitan Water Reclamation / United Water Services | Illinois |
| Milwaukee Brewers Baseball | Wisconsin |
| New York City Transit Authority | New York |
| Nishikawa Standard Company | Indiana |
| Northrop Grumman | Illinois |
| Pace Headquarters | Illinois |
| Panagon II Corporation | Michigan |
| Power Drive Systems | Michigan |
| Praxair Surface Technologies | Indiana |
| Rexam Closures | Indiana |
| Rockwell International | Iowa |
| Stabilus | North Carolina |
| Superior Essex, Inc. | Indiana |
| Toyota Motor Manufacturing U.S.A., Inc. | Kentucky |
| UGN, Inc. | Illinois |
| Western Illinois University | Illinois |
