- Academy of Firearms Training
 - Huntington Beach - Law enforcement, military and civilian firearms training. Enhance your skills in rifles, handguns and shotguns. - Applied Laser
- Pasadena - Offering laser sights and laser pointers.
- Bianchi International
- Temecula - Manufactures holsters for guns.
- C&C Global
- Los Angeles - Gun accessories, including magazines, grips, lasersights, muzzle brakes, flash hiders, recoil buffers, stocks and scopes.
- Crews Custom Gunsmithing
- Santa Ana - Custom and general gunsmithing for law enforcement, personal defence and competition.
- J & J Products
- El Monte - Manufacture quality plastic ammo boxes for the hunting and shooting industries.
- Millett Sights
- Huntington Beach
- Self Defense Firearms Training
- Huntington Beach - Develop your skills in handguns, rifles, and shotguns. Classes emphasize civilian self-defence situations.
- Sportsman Steel Safes
- Long Beach - Offers American made fireproof steel gun safes direct from the factory.
- Suarez International Training Academy
- Simi Valley - Offers reality-based, advanced training in weapons, tactics, and hand-to-hand combat for civilian and professional needs.
- Tasertron
- Corona - Division of Electronic Medical Research Laboratory, Inc. makes handheld electronic immobilization weapons for the law enforcement industry.
- United Service Associates, Inc.
- Venice - MAD ROBOT is a revolutionary moving target system for tactical firearms training that imitates any human movement at all speeds in all weather and terrain.
- United States Optics Technologies, Inc.
- Buena Park - Manufacturer of special purpose telescopic sights.
- Western Design
- Irvine - Specializes in the design, development and production of ammunition handling and environmental control systems for military forces.
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