Ali-Tek
- Manufacturer of aluminum cylinders. South Africa.
- http://www.ali-tek.com

L&W Compressors + Systems
- Manufacturer of breathing air, nitrox, diving, firefighting and industrial compressors. Singapore.
- http://lw.com.sg

AireTex
- Distributor of Alkin compressors for fire, dive, industrial and paintball markets. USA.
- http://airetex.com

Barnini Technologie Avanzate
- Manufacturer of equipment for diving such as regulator, inflation hoses, attachment, gas blending system for nitrox and trimix. Italy.
- http://www.barninibta.com

Rebreather Azimuth
- Makes semi closed circuit rebreather from OMG. Italia.
- http://www.rebreather-azimuth.com

Advanced Diving Products
- Manufacturer of monel regulator. California. USA.
- http://www.dynamodiving.com

Steam Machines
- Manufacturer of closed-circuit rebreathers for the scientific, recreational, military, and commercial diving markets. USA.
- http://www.steammachines.com

Cramer Decker Industries
- Supplier of scuba diving products and outdoor adventure gear. Also supplier of industrial, medical and outdoor recreation equipment.
- http://www.cramerdecker.com

Schifauer & Pek
- Manufacturer of high-pressure compressors and air systems for scuba, scba and paintball use. Florida, USA.
- http://divecompressors.com

Dive Innovations
- Tank-integrated weight system built into the tank boot.
- http://www.diveinnovations.com

Sea Breathe
- Manufacturer of 12-volt surface air supply systems for shallow water diving. Both deck units and floating units are available.
- http://www.seabreathe.com/

Faber Industrie
- Manufacturer of steel cylinders for high pressure gases. Their tanks for scuba diving are LP (lower pressure) cylinders.
- http://www.faber-italy.com/

Luxfer Group
- Manufacturer of aluminum cylinders for many industries, especially the scuba diving industry.
- http://www.luxfer.com/

Scuba Air Compressor Service,Inc
- Sales, service, overhaul of high pressure compressors for breathing and industrial applications.
- http://www.scubaircomp.com

Nuvair
- Manufacturer of nitrox systems, air compressors and diving equipment. USA.
- http://www.nuvair.com

Hypres Equipment
- Totally American made high pressure breathing air compressors for scuba diving, fire service and industry. Air cascade systems available too.
- http://www.hypresequip.com

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.
- http://www.browniedive.com/

Catalina Cylinders
- Manufacturer of aluminum cylinders used in many industries, including the scuba industry.
- http://www.catalinacylinders.com/

Atomic Aquatics, Inc.
- Manufacturer of a titanium regulator.
- http://www.atomicaquatics.com/

Apeks Marine Equipment
- Manufacturer of scuba regulators. UK.
- http://www.apeks.co.uk/