Top 50 Fastest-Growing Companies: Hoffman Mechanical Inc.

Since opening its doors in December 1998, Hoffman Mechanical Inc.'s goal has been a lofty one - to give its clients the most cutting-edge technology in heating, ventilation, and air-conditioning services.

Hoffman Mechanical's services include heating and air-conditioning systems, submersible pumps, water filtration, plumbing and radon/mold testing. In addition to traditional heating and air-conditioning methods, the company offers newer technology, such as in-floor warming, underground pavement and sidewalk snowmelt, geothermal technology and geothermal direct exchange.

"We believe in and specialize in geothermal technology," said Emily Hoffman, who, along with her husband, …