Martin Resource Management likes to push around petroleum products. The employee-owned company's flagship affiliate, Martin Midstream Partners, offers transportation, storage, marketing, and logistics management services for petroleum products, including sulfur, sulfur derivatives, fuel oil, liquefied petroleum gas, asphalt and other bulk tank liquids, primarily in the southern US. Martin Resource also manufactures and markets fertilizer and other processed sulfur products. Through its Martin Energy Services unit the company offers inland marine fuel supply and offshore support services. Other units include The Brimrock Group (sulfur), Cross Oil Refining & Marketing, and Martin Asphalt.