Doncasters Precision Castings New England is based in Groton, Connecticut, USA. The site specialises in the manufacture of precision structural investment castings in high-grade materials for OEM customers in the aerospace and industrial gas turbine markets. The facility’s advanced technology and expertise have been developed to provide its industry leading customer base with part dimensions of up to 45 in. (1.14 m) in diameter by 30 in. (762 mm) high and pour weights of up to 1,000 lb (454 kg). This site pours both air and vacuum melt alloys.