Martin Midstream Partners moves petroleum products. The company gets most of its sales from the distribution of natural gas liquids (NGLs). Its NGL customers include retail propane distributors, industrial processors, and refiners. Martin Midstream owns more than 700 miles of natural gas gathering and transmission pipelines. Martin Midstream also manufactures sulfur and sulfur-based fertilizer products and provides marine transportation (through a fleet of inland and offshore tows) and the storage of liquid hydrocarbons (at about 40 terminals). The company, an affiliate of Martin Resource Management operates primarily in the Gulf Coast region of the US.