Schwerman Trucking Company is one of the largest carriers of cement and liquid commodities in the United States. It is a family-owned and operated company that stocks an inventory of tractors, internally lined tanks, single compartments, flatbed and dump trailers, and stainless steel and fiberglass construction equipment. The company offers inspection and preventative maintenance services. It also provides insurance coverage plans to protect shippers and the general public. Schwerman Trucking Company is a subsidiary of Tankstar USA, which began in 1913 and is one of the largest bulk motor carriers in the United States. Tankstar USA also manages Rogers Cartage Company, Wheatfield Trucking Company, Bulk Logistics, and North American Bulk Transport. It maintains training centers in Chattanooga in Tennessee and Fairborn in Ohio.