Fidelity Building Services Group is a US-based provider of mechanical and energy infrastructure services, founded in 1945. The company operates from more than 75 locations across the United States, employing approximately 3,200 team members. Its core business covers HVAC and mechanical services, building automation systems, emergency power solutions, and broader energy solutions for commercial, industrial, mission-critical, government, education, and healthcare facilities.
The company's technical capabilities span mechanical engineering, building energy efficiency, and sustainable energy solutions. For mission-critical environments such as data centres, Fidelity's expertise in emergency power, building automation, and HVAC systems is directly relevant to maintaining uptime and operational resilience. The firm's scale and geographic reach support its service delivery across a range of sectors where reliable mechanical and power infrastructure is essential.
Fidelity's stated focus includes advancing building energy efficiencies and sustainable energy solutions alongside service delivery. Its leadership team draws on experience across the service, construction, and engineering disciplines. The company's eight decades of continuous operation provide a long-standing presence in the US building services market.





