TEKsystems® is a member of Allegis Group, a privately held network of staffing and services companies. Founded in 1983, Allegis Group is the world's largest privately held staffing company, the third largest in the United States and the sixth largest in the world based on revenue. We are the world’s premier provider of technology execution services and are the nation’s largest IT staffing firm. For the sixth consecutive year, TEKsystems has been ranked #1 among the top U.S. IT Staffing firms. Respected as a leader in the staffing industry, Allegis Group has approximately 75,000 active contract employees, over 4,000 clients, and 220 offices in the U.S., Canada, and Europe.