| AK Steel Corporation |
Krauss-Maffei Corporation |
| Altivity Packaging LLC |
Lanxess Corporation |
| Barr Laboratories |
LPM Electric |
| Batavia Electric Supply |
Mittal Steel USA Inc. |
| Bay West Paper Corporation |
Musson's Industrial Service Inc. |
| Bayer Corporation |
MWH Americas |
| Campbell Hausfield Company |
Palmetto Lime |
| Cast-Fab Technologies |
PCS Phosphates |
| Cheney Pulp & Paper Company |
Peter Cremer NA |
| Cincinnati Machine |
Pierre Foods |
| Cincinnati Thermal Spray Inc. |
PMC Specialties Group Inc. |
| Cinergy |
Polyester Fibers LLC |
| Cintas Corporation |
Production Turning LLC |
| City of Trenton |
Project Quality Assurance |
| Club Chef |
Queen City Forging Company |
| Custom-Flo Inc. |
RA Mueller Inc. |
| DAP Inc. |
Redken Laboratories Inc. |
| Dayton Power & Light |
Rudolph / Libbe Inc. |
| Diversey Lever Corporation |
S&B Indsutrial Minerals NA |
| Dravo Black River Plant |
Sachs Electric Company |
| Duke Energy Ohio |
Silmar Resins |
| E.C. Shaw Company |
Stelter & Brinck Inc. |
| Eagle Specialty Vehicles |
Stewart Industries |
| Eger Products |
Sun Chemical Company |
| Franklin Boxboard Corporation |
Techneglass Inc. |
| Gallatin Steel Company |
Terry Materials |
| Garfield Electric |
Thermoseal Inc. |
| General Electric Appliances |
Thomson / RCA |
| General Electric Aviation |
U.S. Steel Corporation |
| General Films Inc. |
Veolia Support Services |
| GSF Rumpke Gas Plant |
Vistech Manufacturing Solutions |
| Hilvert & Pope Electric Inc. |
Volpenhein Brothers Electric |
| Honda R&D Americas Inc. |
Westway Feed Products |
| Indy Honeycomb |
Wild Flavors Inc. |
| Internal Revenue Service |
Worthington Indsutries |
| International Paper |
Zotefoams Inc. |
| Interplastic Corporation |
| Iofina Chemicals, Inc. |
