SureFire is a flashlight manufacturer based in Southern California. SureFire manufacture precision tactical flashlights that commonly used in the military fields and law enforcement. SureFire flashlights are also very popular among the civilian market for personal, occupational, and self-defense purposes. You can often see SureFire flashlights in TV shows and movies. CSI is one of the most popular television show that use SureFire flashlights in their show.