Thoma-Sea Marine constructors was founded in 1990 by Robert Thomassie Sr. Walter Thomassie is now at the helm of Thoma-Sea. Our facilities include 2 new construction yards and 1 repair facility in the Port of Terrebonne located off the Houma Navigation Canal 1 mile south of the Intercoastal Waterway MM59. Our 4 dry docks range from 2500 tons to 8500 tons of lifting capacity. Also on site is a ABS approved machine shop.