Boss was the first and only light tower producer to have UL Certification on Specialized Light Tower Products. BossLTR was the first to initiate UL Field Evaluation for Offshore Hazardous Location Towers. In the Oil Refinery/Petrochemical Industries, Boss was the first to obtain UL Certification as an Explosion Proof Portable Lighting Assembler for HID Floodlights and one of the first to become UL Certified for Electrical Job Site Power Distribution and the only light tower producer to ever carry a UL Certification. Really impressed by the service!!! read full review »