General Dynamics Electric Boat (Groton Shipyard)
General Dynamics, Groton, Connecticut
General Dynamics Electric Boat builds nuclear-powered submarines at its main shipyard in Groton, Connecticut, which it acquired in 1911. Founded in 1899, the company built the Holland, which it calls the world's first practical submarine, and Nautilus, the first nuclear-powered submarine. It now builds Virginia-class and Columbia-class submarines and employs about 23,000 people.
- Company
- General Dynamics
- Status
- Operating
- Opened
- 1911
- Employees
- 23,000
- company figure
- Industry
- Aerospace and defense
- Revised
- November 12, 2026
What is made here
Nuclear-powered submarines for the U.S. Navy, including the Virginia class and the Columbia class.
Facts
| Founded | Electric Boat was established in 1899 to complete John Philip Holland's 54-foot submersible; the Navy accepted the Holland in 1900 (company: gdeb.com) |
|---|---|
| Groton | Electric Boat acquired the New London Ship and Engine Co. in Groton in 1911; Cuttlefish, delivered in 1934, was the first submarine built in Groton for the Navy (company: gdeb.com) |
| Nautilus | Built Nautilus, the world's first nuclear-powered submarine, christened in 1954 (company: gdeb.com) |
| World War II | Built 74 submarines and 398 PT boats in 1941-45 (company: gdeb.com) |
| Current programs | Builds Virginia-class attack submarines and the Columbia-class ballistic missile submarines; the lead Columbia, District of Columbia (SSBN 826), had its keel laid in 2022 (company: gdeb.com) |
| Sites | Main shipyard in Groton, with sites in Quonset Point (North Kingstown, R.I.), New London and Waterford (company: gdeb.com) |
Figures are as stated by the source named next to each one. Company figures are the company's own claims.
Can you visit?
We haven't found a public tour of this factory. See factory tours in Connecticut.
Sources
- General Dynamics Electric Boat: History (company, checked November 12, 2026)
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