Petro Stopping Centers is one of the leading operators of large, multi-service truck stops in the United States. Petro Stopping Centers' facilities are located along interstate highways and typically offer diesel fuel, gasoline, home style restaurants, truck preventative maintenance centers, travel and convenience stores, and a range of other products, services, and amenities to commercial truck drivers, as well as to other highway motorists and local residents.

In May 1992, Calera Capital made an equity investment in Petro Stopping Centers. Calera Capital sold Petro Stopping Centers to Chartwell Investments, a private equity group, and Mobil Oil in 1997.