Advanced Technology Services, Inc. (ATS) was founded in 1985 in Peoria, Illinois, growing out of the need for American business to remain competitive in a rapidly changing global economy. ATS. Thirty-two years later, ATS has grown into a leading supplier of outsourced factory maintenance, industrial component repair and IT services for top Fortune 500 companies. With the framework and knowledge of a large corporation and the reliability of a local provider, ATS has a significant number of offices nationwide and strategic partners allowing us to deliver solutions across the United States.