Doncasters Structural Castings of Groton

Core Competency:

Doncasters Castings of Groton (Doncasters Precision Castings New England) is an industry leader in the development and production of precision cast components.

Through our expertise and cutting edge technologies we specialise in the manufacture of large precision structural investment castings in high-grade materials for leading OEM customers in aerospace, defense and industrial gas turbine (IGT) applications.

This site pours vacuum melt nickel and cobalt based superalloys with part components up to 45 in. (1.4m) in diameter by 30 in. (762mm) high and pour weights of up to 1,000 lb (454kg). 

Company Details:
835 Poquonnock Rd.
Groton, CT 06340
Tel: 860-449-1603
Web Site: 

Key Contacts:
Name: Jeremy Main
Title: General Manager

Name: Bryan Gossett
Title: Commercial Manager New England

Number of Employees

Special Technologies:

  • Structural castings in high nickel super alloys
  • Jet engine, industrial gas turbines and airframe