Powercallsirens is a web-based business that sells equipment, tools and graphics for fire and rescue, police and emergency services departments worldwide. In 1993, the owners, who are themselves firemen, saw a need to provide these products to benefit the community. Thus, their website was launched. Powercallsirens sells a one -of-a-kind specialized siren as well as customizes graphics for any fire, police or emergency services department in the world.