
| Alcan Rolled Products | GE Kaiser |
| Alcoa | General Elevator Co. |
| Allegheny Ludlum Steel Corporation | General Motors Corp. |
| America Saw & Mfg. Co. | Heidelberg Harris Corp. |
| Aztec Tool & Manufacturing | Henkel Chemical Management |
| BICC Cables Company | The Hoover Company |
| Bethlehem Steel Corporation | Indianapolis Power & Light Company |
| Bihler of America | Kingsbury Machine Tool Co. |
| Black & Decker Corp. | LTV Steel Company |
| Blair Strip Steel Company | Masco Tech |
| BICC Brand Rex Co. | McCook Metals Inc. |
| Briggs & Stratton | Olin Corporation |
| The Budd Company | USS Posco Industries |
| Caterpillar Company | Pratt & Whitney Aircraft/ United Technologies Corp. |
| Champs/Venator Group | Rathbone Corporation |
| Colt Manufacturing Co. | Rathbone Precision Metals |
| Curbell Plastics Co. | Rodney Metals/Allegheny |
| Custom Alloy Corporation | Republic Tool & Die Co. |
| Dana Corporation | Reynolds Metals |
| Dietrich Industries | Simonds Industries, Inc. |
| RR Donnelley & Sons Co. | Somers This Strip Corp/Olin |
| Eaton Corp/Cutler Hammer | Standard Thompson Corp. |
| Fuller Company | The Timken Company |