The Linc Group underwent a management-led buyout, releasing it from Enron Energy Services and its majority stake in the company. Global Innovations Partners LLC, a $526 million private equity fund, backed the management's acquisition. Terms were not disclosed, but the acquisition was approved by the Enron bankruptcy court in November 2003.

The Houston-based Linc Group comprises Affiliated Business Services, Linc Corp., Linc Service Holdings and Integrated Process Technologies.

Linc Corp., the franchisor of the Linc System®, a business format for operating a commercial HVAC service business, is headquartered in Pittsburgh. It was formerly known as Limbach Facility Services. Linc Service Holdings, which provides commercial HVAC maintenance and repair services, is based in Atlanta.