General Dynamics NASSCO

National Steel and Shipbuilding Company (NASSCO) is an American shipbuilding company with four shipyards located in San Diego, Norfolk, Bremerton, and Mayport. It is a division of General Dynamics. NASSCO owns a subsidiary manufacturing facility with TIMSA in Mexicali, Mexico. The San Diego shipyard specializes in constructing commercial cargo ships and auxiliary vessels for the US Navy and Military Sealift Command; it is the only new-construction shipyard on the West Coast of the United States. NASSCO performs ship repairs and conversions for the United States Navy in all four shipyard locations: San Diego, Norfolk, Bremerton, and Mayport.