Founded in 1914 and headquartered in Harrisburg, Pennsylvania, HB McClure is a long-standing provider of comprehensive HVAC, plumbing, electrical, and building automation services. The company operates across Central Pennsylvania and Northern Maryland, serving both residential and commercial customers. Its service portfolio includes the sales, installation, and maintenance of heating, ventilation, and air conditioning systems, with a noted early adoption of geothermal technology. Plumbing services, including boiler installations, have been a core offering since the company's inception.
The firm has demonstrated substantial growth. Revenue reached $25 million in 2010 and exceeded $160 million by 2018. Notably, HB McClure has reported achieving growth rates of up to 20% during broader economic downturns. The company has been under family leadership for three generations and established an Employee Stock Ownership Plan (ESOP) in 2010, aligning employee interests with the firm's long-term performance.
HB McClure's technical expertise spans HVAC, plumbing, electrical systems, building automation, and geothermal technology. This broad capability allows it to provide integrated mechanical and electrical solutions for its customer base in the mid-Atlantic region.






