Cox Engineering Company

Founded in 1914, Cox Engineering Company has served the Greater Boston Market for over a century as a comprehensive HVAC solutions provider. The family-owned company operates from its headquarters in Randolph, MA, where it houses two manufacturing facilities totaling 150,000 square feet including a recently commissioned 40,000 square foot sheet metal and pipe fabrication facility. Cox Engineering's comprehensive service portfolio encompasses three core divisions: HVAC Service, Mechanical Construction, and Fabrication & Manufacturing. The company's HVAC Service division provides preventive maintenance, 24-hour emergency repairs, equipment replacement, energy management system retrofits, and staffing services across the Boston area. Their Mechanical Construction division partners with clients on projects ranging from $10K office tenant fit-outs to $30M core and shell laboratories, utilizing BIM modeling, Trimble 3D Scanning Technology, Procore, and Bluebeam for optimal project outcomes. The company's fabrication capabilities include sheet metal and pipe prefabrication, modular multi-trade fabrication, and innovative lean fabrication methods. Cox operates alongside sister companies Cambridgeport Custom (custom air handling unit design and manufacturing) and Cambridgeport Air Systems (HVAC products and accessories with over 40 years of experience), delivering comprehensive solutions from a single trusted source. Cox Engineering serves diverse markets including life science, healthcare, manufacturing/industrial, mission critical facilities, education, luxury apartments, office/commercial, and pharmaceutical sectors. Notable projects include the 201 Brookline Avenue Life Science facility for Landmark Center Ventures LLC, the Crispr cutting-edge production facility, and the Boynton Yards R&D office building. The company is led by CEO Jon Desmond, with Executive Vice President & General Counsel Ryan MacDonald among the leadership team. Cox Engineering maintains a culture of continuous improvement, providing state-of-the-art facilities for employees including an in-house fitness center and golf simulator. The company is a member of MCA New England and maintains union affiliations with UA Local 537, ensuring skilled craftsmanship across all projects.