Thoma-Sea Marine Constructors is a family-owned full service shipyard with 3 Gulf Coast locations in Lockport and Houma, Louisiana. Our facilities included two new construction yards and one repair yard.
Thoma-Sea’s experienced, dedicated professionals use a common sense approach to quality ship building and repair.
Thoma-Sea’s broad range of experience includes: Offshore Towing vessels up to 11,000 horse power. Ship Escort Z Drive Tugs; ATB Tugs; Mini Supply Vessels; DP 2 Diesel Electric Platform Supply Vessels; Research Vessels; Inland Push Boats and Commercial Fishing Vessels.
Currently under construction are (2) Special Purpose DP 2 Diesel Electric Vessels.
Recent vessel deliveries include the first Two vessels constructed in the United States using Siemens Blue Drive Plus C technology.
Thoma-Sea’s repair facilities currently have 5 dry-docks in operation all of them less than 7 years old ranging from a 200×70 2500 ton dock to a 320×120 8500 ton dock. Our newest dry-dock measures 360’x160’x9’ equipped with a well for servicing drop down thrusters..
Carbon Fiber Shafting
Carbon Fiber ShaftingCENTA is a global leader in complete shafting system supply featuring light weight carbon fiber shafting along with our torsional couplings for unmatched system performance.
CENTAX-L CouplingOne of over 20 unique torsional couplings available from CENTA, CENTAX Series L is a highly flexible design that accommodates significant system misalignment. Ideal for remote marine drives.
Clutch and Housing Packages
Clutch and Housing PackagesCENTA offers centrifugal and electromagnetic operated clutches packaged with torsional couplings and integrated housings for diesel engine drive packages.
Shipbuilding / Repair
Since 1990 Thoma-Sea has built over 100 high quality vessels serving various trades around the world. In 2008 we started our repair division to date we have dry docked and repaired over 400 vessels. We are capable of building and repairing vessels in excess of 300’.
Barge Building Repair
We have the capabilities to build and repair barges in excess of 400’. We are conveniently 35 miles from the Gulf of Mexico on the Houma Navigation Canal with no air draft restrictions and 16’ controlling depth in the channel. For our customers working the ICW we are located 1 mile south of MM 59.
Boat Building / Repair