Best technology companies in Groton, CT

ManTech was founded in 1968 to provide advanced technological services to the United States Government. We began with a single contract with the U.S. Navy to develop war-gaming models for the submarine community. Over the years, our government's technology needs have increased dramatically in scope and sophistication, and we have grown to meet that challenge.

Precision Castparts is the world leader in structural investment castings, forged components, and airfoil castings for aircraft engines and industrial gas turbines. Airbus, Boeing, GE, Rolls-Royce, and many other leading manufacturers depend on us for critical airframe, engine, power generation, medical, and general industrial components. With few exceptions, every aircraft in the sky flies with parts made by PCC.

Loureiro offers a suite of integrated services: engineering, environmental assessment, construction, energy, EH&S, waste management, facility services & lab services.

Fuss & O'Neill is an east coast full-service, multi-discipline, engineering, planning and landscape architecture firm. It offers its services in such disciplines as design build, energy services, environmental assessment and remediation, environmental compliance and permitting, environmental impact assessment, facilities engineering, geographical information services, information technology, landscape architecture, Headquartered in Manchester, CT and founded in 1924, the company has grown to include ten regional offices, one LLC and over 320 employees.