| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Stratus Industries | USA | |
| 2 | Accumet Materials Co. | USA | |
| 3 | Opticonx | USA | |
| 4 | Ace Seal LLC | USA | |
| 5 | Theia Technologies LLC. | USA | |
| 6 | JP Manufacturing Inc. | USA | |
| 7 | IRD Glass | USA | |
| 8 | Rocky Mountain Instrument Co. (RMI) | USA | |
| 9 | Janos Technology | USA | |
| 10 | Bern Optics Inc. | USA | |
| 11 | Seastrom Mfg. Co. Inc. | USA | |
| 12 | Precision Projection Systems | USA | |
| 13 | Invent-A-Part | USA | |
| 14 | Hermetic Solutions Group | USA | |
| 15 | Skylark Machine Inc. | USA |
