State Street Auto Rebuilders, 1560 N State St, Belvidere, IL 61008, US

Established in 1976, Tech-Cor provides research and training services related to automobile and property restoration issues for insurers, manufacturers and repairers. It is a part of Allstate Insurance Company, which is one of the leading personal line insurers in the United States. It works with a team of more than 70,000 staff members. The company operates over 14,900 agencies and financial representatives in the United States and Canada. Tech-Cor's applied research division provides research and intelligence on a variety of automotive damageability and reparability issues. The company also operates Collision Repair Center, which maintains a body shop.