| Aqua Lung | Manufacturer of BCD, regulators, wetsuits, drysuits, analog guages, computers, tanks, masks, fins, and snorkels |
| Aquavit | Manufacture of spare air systems |
| Brownie's Third Lung | Manufacturer of surface supplied air systems |
| Lawrence Factor | Manufacturer of compressors |
| Mastermarine Pte | Manufacturer of compressors |
| RC Dive Technology | Manufacturer of oxygen analyzers |
| Seaways Engineering Systems | Manufacturer of air analyzers |
| Submersible Systems | Manufacturer of spare air systems |