| ABP Induction |
| Airmatic, Inc. |
| Ajax Tocco |
| Allied Mineral |
| All Quality Aluminum Foundry |
| Aluminum Alloys |
| American Colloid |
| Asbury Graphite |
| August Mack Environmental |
| Behler Patterns, Inc. |
| Benton Foundry |
| Blatt’s Pattern Shop |
| Boose Aluminum Foundry |
| Boose Quality Castings |
| Bridesburg Foundry |
| Broad Services |
| Carpenter Brothers |
| Chemalloy |
| Covia |
| Effort Foundry |
| Elk Environmental Services |
| Ervin Industries |
| FRC Global |
| HA International |
| Hamburg Manufacturing |
| Hickman Williams & Company |
| Homestead Valves |
| Inductotherm Corp. |
| Kore Mart |
| Lancaster Foundry Supply |
| Penn State University |
| Profound Alloys |
| Solar Atmospheres |
| Spring City Electrical Mfg. |
| SureWerx |
| Swope & Bartholomew |
| Temple Aluminum |
| Venezia Transport |
| Victaulic |
| Weaver Materiel |
| Weiler Abrasives |
| West Pattern |
