The largest shipbuilder in the US is Northrop Grumman Shipbuilding Newport News in Virginia. Northrop also operates Ingalls Shipbuilding in Pascagoula, Mississippi and National Steel and Shipbuilding, a division of General Dynamics, in San Diego, California.
The Norfolk Naval Shipyard in Portsmouth, Virgina is operated by the US Navy.
The Electric Boat Division of General Dynamics at their facilities in Groton, Connecticut and Quonset Point, Rhode Island. General Dynamics also operates Bath Iron Works in Bath, Maine.
Puget Sound Naval Shipyard in Bremerton, Washington is operated by the US Navy.
Cascade General Ship Repair in Portland, Oregon.
Bollinger Shipyard, Inc. in Lockport, Lousiana. See the link below.
