Allegiance Service Group, Inc.

Allegiance Service Group is a professional electrical and plumbing services provider located in Crystal Lake, Illinois. The company offers a wide range of services, including tankless hot water heater installation, boiler repair, electrician services, and emergency plumbing, serving customers in Lake County and McHenry County. Allegiance Service Group has over 60 years of combined experience and is a certified Rinnai Pro plumbing company, with licensed and insured technicians.