STAEBLER-KEMPE OIL CO. v. Mac's Auto Mart, Inc.

The Staebler-Kempf Oil Company, a Michigan corporation, is a wholesale and retail dealer in “Marathon” gasoline and other branded petroleum products in the city of Ann Arbor, Michigan. It supplies 7 retail' outlets owned and conducted by others and also 1 that it runs and owns. The oil company and the retailers operate under what is called the “customary dealer’s contract,” which contains, among other provisions, an agreement by the retailer to sell only the oil company’s gasoline, and at the same price charged by the other retailers supplied by the oil company. The price is set at the oil…