general_dynamics_electric_boat | locationcity | groton,_connecticut <sep> general dynamics electric boat (gdeb) is a subsidiary of general dynamics corporation it has been the primary builder of submarines for the united states navy for more than 100 years the company's main facilities are a shipyard in groton, connecticut, a hull-fabrication and outfitting facility in quonset point, rhode island, and a design and engineering facility in new london, connecticut 
general dynamics electric boat are located in the city of groton. connecticut.the company's main facilities are a shipyard in groton connecticut and a design and engineering facility in new london, connecticut