Peterson Manufacturing is a leading innovator in commercial vehicle lighting and wiring harness systems, proudly designing and producing solutions in the USA since 1945. Known for product lines like LumenX® LED lights, Defender® harnesses, and the PetersonPULSE® smart trailer system, Peterson delivers safety, durability, and advanced technology to fleets worldwide. With vertically integrated manufacturing and a commitment to quality, Peterson provides customized solutions that help make roads safer for everyone. See below for our current inventory of Peterson lighting and harness products.