| Advanced Diving Products: Manufacturer of monel regulator. California. USA. |
| AireTex: Distributor of Alkin compressors for fire, dive, industrial and paintball markets. USA. |
| Ali-Tek: Manufacturer of aluminum cylinders. South Africa. |
| Apeks Marine Equipment: Manufacturer of scuba regulators. UK. |
| Atomic Aquatics, Inc.: Manufacturer of a titanium regulator. |
| Barnini Technologie Avanzate: Manufacturer of equipment for diving such as regulator, inflation hoses, attachment, gas blending system for nitrox and trimix. Italy. |
| Brownie's Third Lung: Manufactures surface supplied air systems and related diving equipment, including gas blending systems for nitrox, and trimix, along with tank filling compressor systems, for portable, fixed, and marine use. |
| Catalina Cylinders: Manufacturer of aluminum cylinders used in many industries, including the scuba industry. |
| Cramer Decker Industries: Supplier of scuba diving products and outdoor adventure gear. Also supplier of industrial, medical and outdoor recreation equipment. |
| Dive Innovations: Tank-integrated weight system built into the tank boot. |
| Faber Industrie: Manufacturer of steel cylinders for high pressure gases. Their tanks for scuba diving are LP (lower pressure) cylinders. |
| Hypres Equipment: Totally American made high pressure breathing air compressors for scuba diving, fire service and industry. Air cascade systems available too. |
| L&W Compressors + Systems: Manufacturer of breathing air, nitrox, diving, firefighting and industrial compressors. Singapore. |
| Luxfer Group: Manufacturer of aluminum cylinders for many industries, especially the scuba diving industry. |
| Nuvair: Manufacturer of nitrox systems, air compressors and diving equipment. USA. |
| Rebreather Azimuth: Makes semi closed circuit rebreather from OMG. Italia. |
| Sabra International of U.S.A., Inc: Distributor of scuba high pressure breathing air compressors, air compressor filters, lubricants and belts. |
| Schifauer & Pek: Manufacturer of high-pressure compressors and air systems for scuba, scba and paintball use. Florida, USA. |
| Scuba Air Compressor Service,Inc: Sales, service, overhaul of high pressure compressors for breathing and industrial applications. |
| Sea Breathe: Manufacturer of 12-volt surface air supply systems for shallow water diving. Both deck units and floating units are available. |
| Steam Machines: Manufacturer of closed-circuit rebreathers for the scientific, recreational, military, and commercial diving markets. USA. |
Classical
