Semi Service Inc. is excited to bring you the latest news about new trailers, equipment, and technologies for your trucking, ... transportation, utility, and snow removal needs. We are full line semi trailer sales and repair experts. We specialize in new and used trailers of all types, and operate 2 major service and repair shops in the Salt Lake City area. We repair all types of trailers and tanks. From flatbeds to petroleum, dry bulk to vans. We install and repair truck and van equipment and install and repair EPA certified CNG conversion kits. Our facilities can handle any type of repair up to, and including, complete rebuilds. read more