| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Weaver Industries Inc. | USA | |
| 2 | Mersen | USA | |
| 3 | California Nanotechnologies | USA | |
| 4 | Ameri-Source | USA | |
| 5 | Dangar Engineering & Mfg. Inc. | USA | |
| 6 | Graphite Sales Inc. | USA | |
| 7 | HV Industries | USA | |
| 8 | Molten Metal Equipment Innovations Inc. | USA | |
| 9 | Graphite Machining Inc. | USA | |
| 10 | Schunk Carbon Technology | USA | |
| 11 | Solar Atmospheres | USA | |
| 12 | Dietech Na | USA | |
| 13 | Graphite Sales | USA | |
| 14 | Transfer Tool Technologies Inc. | USA | |
| 15 | Advance Carbon Products Inc. | USA | |
| 16 | Semco Carbon | USA | |
| 17 | R.W. Elliott Company | USA |
