Martin Midstream Partners L.P., together with its subsidiaries, provides terminalling, processing, and storage services for petroleum products and by-products in the United States. It operates through four segments: Terminalling and Storage, Transportation, Sulfur Services, and Specialty Products. The company owns or operates various marine shore-based terminal facilities and specialty terminal facilities, as well as naphthenic lubricants refinery; and offers storage, refining, and handling services for producers and suppliers of petroleum products, handling services for molten sulfur and asphalt, land rental services to oil and gas companies, and storage and handling services for lubricants and fuels. It also engages in the operation of land and marine transportation assets that transport petroleum products and by-products, petrochemicals, and chemicals; and provides refinery and petrochemical services, including transportation of heavy tank bottoms by-products and other petroleum products, hauling natural gas liquids, molten sulfur, sulfuric acid, paper mill liquids, chemicals, and other bulk liquid commodities. In addition, the company processes and distributes molten sulfur into prilled or pelletized sulfur; owns and operates sulfur-based fertilizer production plants and an emulsified sulfur blending plant; and manufactures and markets sulfur-based fertilizer and related sulfur products, such as ammonium sulfate, liquid sulfur, plant nutrient sulfur, Industrial sulfur, and sulfuric acid. Further, it is involved in owning and operating facilities for the blending, processing, packaging, marketing and distribution of private label agricultural, automotive, and industrial lubricants, as well as commercial and industrial greases; selling and distributing natural gas liquids; and storing and transporting of natural gas liquids for wholesale deliveries. The company was founded in 1951 and is headquartered in Kilgore, Texas.