Egan Companies is one of the oldest specialty contractors in Minnesota. It provides mechanical, electrical and systems construction and service. A privately held company, Egan has more than 700 employees representing a dozen trade unions. Egan is a values-based company with construction capabilities including design/build and prefabrication. Egan Companies is one of the leading providers for maintenance, repair and monitoring of heating, ventilation and air conditioning (HVAC) systems. Joseph Egan, Costney Egan and Bill Egan formed the company as Egan & Sons Plumbing and Heating Company in 1945.