QRS

Repair, maintenance and modification of freight transportation vehicles and equipment, namely tractor trailers, semi-tractor trailers, tankers, freight trucks, trailers, cargo tanks

Safety inspections and testing of freight transportation vehicles and equipment, namely tractor trailers, semi-tractor trailers, tankers, freight trucks, trailers, cargo tanks; Performance inspections and testing of freight transportation vehicles and equipment, namely tractor trailers, semi-tractor trailers, tankers, freight trucks, trailers, cargo tanks; Testing, analysis, and evaluation of freight transportation vehicles and equipment to assure compliance with industry standards