Thoma-Sea Marine Constructors LLC Email Format

ShipbuildingLouisiana, United States51-200 Employees

Thoma-Sea Marine Constructors LLC is a shipbuilding company based in Houma, Louisiana, founded in 1990 by Robert Thomassie Sr. and now led by Walter Thomassie. The firm operates multiple yards and a repair facility in the Port of Terrebonne, featuring four dry docks with lifting capacities ranging from 2,500 to 8,500 tons and an ABS-approved machine shop, supporting both new construction and vessel maintenance activities. Its primary focus is on building ships and related maritime equipment, serving clients in the marine industry with a capacity to handle large-scale projects from design through construction and repair. In recent years, the company has engaged in notable collaborations and program work, including partnerships to advance autonomous and long-duration vessel capabilities, and a significant contract related to oceanographic research vessels. The company’s activities align it with the shipbuilding and specialized maritime sectors, catering to government and commercial customers that require complex, capable vessels and related systems.

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