Established in 1899, Electric Boat has established standards of excellence in the design, construction and lifecycle support of submarines for the U.S. Navy.

Machnik Bros., Inc is a construction contractor incorporated in 1957. Located on the southeastern shoreline, our main focus in the construction industry is as a site work and concrete contractor.

New England's premier shipyards. Located in historic Mystic, we offer unparalleled services in painting and fiberglass, carpentry, mechanical, and rigging. The Mystic Shipyard's are south of all bridges and just minutes from Long Island Sound.

Thames Shipyard has been serving the marine industry for over 100 years. Today, the shipyard has complete new-build and maintenance capabilities for all types of commercial vessels, both steel and aluminum, along with well-equipped machine and engine repa