Martin Midstream Partners LP core business activities include terminalling and storage services for petroleum products and by-products, including the refining of naphthenic crude oil and the blending and packaging of finished lubricants; transportation and distribution services of natural gas liquids and natural gas storage; and gathering, processing, marketing, manufacturing and distribution of sulfur and sulfur-based products. In addition, the company provides marine transportation services for petroleum products and by-products. The company operates through four segments viz. Terminalling and Storage, Natural Gas Services, Sulfur Services and Marine Transportation.