The maritime industry in Massachusetts is home to many distinguished shipbuilding companies, crafting vessels of various types and functions. These establishments range from long-standing family operations such as Gladding Hearn Shipbuilding to innovative design and engineering firms like Vizag Marine. As the demand for machinery improvement, energy efficiency and regulatory compliance grows, companies are embracing new methodologies and technologies. They construct commercial vessels, tug boats, patrol boats, and provide marine design and engineering services, offering a holistic suite of features to cater to a vast clientele. With the ongoing evolutions in oceanic exploration and security, this industry appears poised for continued growth and development.


Top 19 shipbuilding companies in Massachusetts

1. Gladding Hearn Shipbuilding

Gladding-Hearn Shipbuilding, Duclos Corporation, has been building exceptional steel and aluminum commercial vessels for over 65 years. Located in Somerset, Massachusetts, this family-owned and operated shipyard has built over 430 vessels. They specialize in the construction of pilot boats, tug boats, passenger vessels, patrol boats, fire boats, research vessels, and wind farm service vessels.


2. Vizag Marine

Vizag Marine is a marine design and engineering company specializing in ship designing and naval architecture. They provide services such as preliminary general arrangement plan, naval architectural calculations, and ship production drawings. With a focus on economy and excellence, Vizag Marine offers stability booklets and loadline calculations to ensure compliance with statutory requirements.


3. Heger Dry Dock, INC.

Heger Dry Dock, Inc. provides complete engineering services to the shipbuilding & ship repair industries, with regard to dry docks and launch ways. They offer design, inspection and certification services for floating dry docks and mooring systems.


4. North Atlantic Ship Repair

  • Website: nashiprepair.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 1995
  • Headcount: 51-200

North Atlantic Ship Repair is a shipyard company with two east coast locations in Boston and Philadelphia, offering services in maritime and fabrication markets.


5. Electric Boat&s;s

  • Website: gdeb.com
  • Headquarters: Groton, Massachusetts, United States
  • Founded: 1899
  • Headcount: 10001+

General Dynamics Electric Boat designs, constructs, and provides lifecycle support to the world's finest submarines for the United States Navy. The company has established standards of excellence that earned it the trust and respect of its clients for over a century.


6. Jay Cashman, Inc.

  • Website: jaycashman.com
  • Headquarters: Quincy, Massachusetts, United States
  • Founded: 1969
  • Headcount: 501-1000
  • LinkedIn

CASHMAN is a privately held multi-disciplinary construction and development company, offering a comprehensive portfolio of companies and services in the Heavy Civil & Marine Construction, Dredging, Renewables, Prestressed Concrete Storage Tanks, Energy, Project Development, Barge/Equipment Leasing, and Mechanical Construction industries.


7. Cashman Equipment Corp.

  • Website: 4barges.com
  • Headquarters: Braintree, Massachusetts, United States
  • Founded: 1995
  • Headcount: 11-50
  • LinkedIn

Cashman Equipment Corp is a company that offers marine equipment and transportation solutions to global marine markets. They provide services such as marine construction, marine accommodations, oil spill response, and marine equipment rentals. With a focus on quality and customer satisfaction, Cashman Equipment Corp aims to provide creative solutions to support their clients.


8. Boston Boatworks

Boston BoatWorks is a boat manufacturing company that specializes in the production of high-quality yachts. With over 320 yachts built since 1996, they offer a wide range of services including annual service, storage, and classic updates. Their expertise lies in composite laminating, deck hardware, mechanical systems, and electrical systems, ensuring the utmost customer care and satisfaction.


9. Noise Control Engineering, LLC

Noise-Control.com is an acoustical engineering consulting firm specializing in noise and vibration measurement and control in the marine, industrial, commercial, environmental, and energy sectors.


10. Coady Law Firm

Coady Law is a law firm that specializes in representing individuals who have been exposed to asbestos and have developed mesothelioma. They offer legal representation to obtain compensation for their clients.


11. Girouard Landscape Co.

Providing excellent workmanship and customer satisfaction from start to finish, no matter the season.


12. Shepard Law

Shepard Law is a law firm that handles cases related to mesothelioma, asbestos exposure, tobacco, hazardous products, defective medical implants, and dangerous medications.


13. Braintree Historical Society

It was started largely through the efforts of Mrs. Sophie Thayer Blunt, who was for many years both before and after the founding was the leading spirit in the appreciation of the town and its history. The Rev. John C. Poland was the first President of the Society. A number of the early members had been members of the Quincy Historical Society which was founded in 1893 for all f old Braintree. During the early ears, the activities of the Society, with Dr. Stacy B. Southworth, a noted historian, and Mrs. Blunt as the prime movers, grew generally but lacked facilities and a focal point for its interests. In 1957, the birthplace of the General Sylvanus Thayer was given to the Society. Largely through the efforts of Gilbert L. Bean and the support of the Town Meeting, the 1720 house was moved to its present location in the Town Center in 1958 and dedicated in 1960. Restored and finished as an outstanding house of the 1785 period, it serves as a museum and the historical center for the town. Powered by Wild Apricot Membership Software


14. U S Naval Ship Building Museum Corporation

The USS Salem & United States Naval Shipbuilding Museum is a museum housed aboard the Quincy-built USS Salem, the world's only preserved Heavy Cruiser. The museum features exhibits showcasing the ship's history, paranormal experiences, and offers private guided group tours.


15. PROPULSION DATA SERVICES

  • Website: propulsiondata.com
  • Headquarters: Marblehead, Massachusetts, United States
  • Headcount: 1-10

Propulsion Data Services (PDS) provides sophisticated technological solutions to a customer base of naval architects, shipyards, manufacturers and end users. Customers with a technical problem outside their normal field of expertise or facilities come to PDS for answers provided in a timely, economical and confidential manner. PDS has a global reach having serviced customers in ports of every continent.


16. Aspera Assoc INC

Aspera Associates Inc has been providing design, management, estimating, and expert services to contractors, engineers, and owners since 1989 focusing on heavy and marine construction. We have provided services to both public and private sector clients. Areas of expertise encompass structural, marine, and geotechnical engineering as well as estimating, project management and expert witness.


17. Martha's Vineyard Shipyard, INC.

  • Website: mvshipyard.com
  • Headquarters: Vineyard Haven, Massachusetts, United States
  • Founded: 1856
  • Headcount: 11-50
  • LinkedIn

Martha’s Vineyard Shipyard is a full-service boat yard that has been serving Cape and Islands for over 175 years. They offer a wide range of services for sail and powerboats, from small dinghies to 20-ton yachts, with exceptional customer care.


18. seaboats

Tugboatinformation.com is a non-profit website that serves as a reference source and exchange of information about tugboats.


19. USS Constitution Museum

USS Constitution Museum showcases the history of the USS Constitution and naval service while sparking excitement about maritime heritage and the American experience.


Want to find more shipbuilding companies?


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