| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Mersen | USA | |
| 2 | Incast Inc. | USA | |
| 3 | Graphite Machining Inc. | USA | |
| 4 | Advance Carbon Products Inc. | USA | |
| 5 | Schunk Carbon Technology | USA | |
| 6 | Transfer Tool Technologies Inc. | USA | |
| 7 | Blaser Die Casting | USA | |
| 8 | Gaddis Inc. | USA | |
| 9 | Semco Carbon | USA | |
| 10 | DuPage Die Casting Corp. | USA |
