American military shipyards mainly include General Dynamics and Northrop Grumman. These two companies undertake more than 80% of the naval ship construction tasks, and the total number of employees accounts for about 90% of the total number of American shipbuilding industry.
These two companies have six military shipyards, namely: newport news Shipyard, Electric Ship Company, Inges Company, Bath Steel Company, Fondard Shipyard and National Steel Shipyard.