SureFire, LLC. is an American company based in Fountain Valley, California. Their main products are flashlights, headlamps, weapon-mounted lights and laser sights. In addition, Surefire makes knives, sound suppressors, Picatinny Rails and batteries. The company is a major supplier of flashlights to the U.S. Armed Forces. Surefire products are commonly used in the US by law enforcement agencies.