B-G Mechanical is part of ENGIE MEP Services Northeast, a mechanical, HVAC, distributed energy, and project delivery solution ... s-provider subsidiary of ENGIE North America. ENGIE MEP is five companies with nearly 750 employees serving the Northeast U.S. B-G Mechanical is one of the largest union mechanical contractors in the Northeast with BIM capabilities, a state-of-the-art fabrication shop, and a highly experienced team. We are a leader in energy efficient HVAC design and installation throughout Massachusetts, Connecticut, Rhode Island, New Hampshire and Vermont. B-G Mechanical’s range of diverse capabilities includes industrial plants, commercial properties, educational & institutional establishments, healthcare facilities, and municipal, state and federal buildings. Our service team is one of the largest in the New England region. Our fleet of service technicians complete a range of preventive HVAC maintenance, 24/7 emergency services and installation projects daily. We also have extensive experience in consulting with clients on solving their HVAC problems by analyzing their systems and proposing solutions, some which are done using design-build and other alternative forms of contract. Our 12,600 square-foot state-of-the-art pipefitting fabrication shop features overhead cranes, high-speed pipe welding positioners, and plasma cutters and handles up to 60-inch diameter pipes allowing us to prefabricate in-house and assemble piping on site in modular form. read more