| Preferred Customers | ||
|---|---|---|
| Cinergy/CG&E | Reliant Energy | Hibbs Electric |
| Hupp Electric Motors | Dayton Power & Light | City of Hamilton, Ohio |
| Cincinnati Machine | Louisville Gas & Electric | Western Kentucky Energy |
| Seminole Electric Cooperative | Kentucky Utilities | Great Lakes Service & Sales |
| Consumers Energy | Detroit Water & Sewerage | Gulf Coast Electric Motor Service |
| Scherer Industrial Group | Reliance Electric | York Electric Motors |
| Bodine Electric of Decatur | Dresser-Rand | |
