United Maritime Group, announces agreement to sell U.S. United Bulk Terminal, to an affiliate of Oiltanking Holding Americas, Inc. United Maritime Group, LLC has announced that it has entered into a definitive agreement to sell U.S. United Bulk Terminal, LLC, a wholly owned subsidiary of UMG, to Bulk Handling USA, Inc., an affiliate of Oiltanking Holding Americas, Inc. Located in Davant, La., UBT is the largest dry bulk terminal on the Lower Mississippi River, with over 11 million tons of annual throughput capacity, providing storage, blending and transfer services to major producers of coal and petcoke products for the domestic and export markets.