FIRMAN Power Equipment provides Power on Demand. Whether you are powering all of the fun stuff at your campsite or while tailgating, or keeping the lights on during a power outage at your home, you can trust your FIRMAN Generator to get the job done. As one of the world’s largest manufacturers of portable generators we know what it takes to make an industry leading generator. In fact, for years we’ve built private label generators for well-known brands such as Rigid and Kohler. Our FIRMAN portable generators feature longer run-times, larger fuel tanks, and legendary service.