Allegis Group

Allegis Group, headquartered in Hanover, Maryland, United States, is one of the largest privately held staffing companies in the world, with $4.88 billion in revenues in 2009. Founded in 1983 by Steve Bisciotti and Jim Davis, the company, then known as Aerotek, originally focused on providing technically skilled people to the expanding engineering and aerospace industry. Jim Davis still has majority control of Allegis Group. Bisciotti has turned his attention to his ownership of the National Football League's Baltimore Ravens. Allegis Group currently has over 300 offices in the United States and also does business through several operating companies.