Martin Transport operates a fleet of more than 500 tractors and over 900 standard and specialty trailers. It specializes in the transportation of liquefied petroleum gas, molten sulfur, sulfuric acid, methanol, crude oil, asphalt, chemicals and bulk liquid commodities. The company additionally offers hauling services for molten resin, glycol, ammonium sulfate and zinc bromide. Martin Transport maintains nearly 20 terminals across the United States. It serves the petroleum, petrochemical and chemical industries. The company has trailers with several types of loading and unloading configurations. Martin Transport is a member of The National Tank Truck Carriers and the American Trucking Associations. It is a subsidiary of MRMC, which is also known as Martin Resource Management Corporation. MRMC is an independent company that provides asphalt storage and distribution and oil refining and marketing services.