Based in Chicago, Transport Service Company is one of the largest tank truck carriers in the United States. The company offers services to chemical and bulk liquid food products manufacturers. It has a staff of more than 700 trained and certified drivers. Transport Service Company s chemical division has been operational for more than 50 years. It handles liquid and dry-bulk chemical products. Transport Service Company operates a fleet of over 700 trailers and tractors. The company provides services in Canada and Mexico. It designs and conducts safety training programs that feature driving techniques and classroom sessions. Transport Service Company offers order placement services.