Flying J specializes in hospitality and highway-related products and services, in addition to the exploration, production, refining, distribution and marketing of petroleum products. Established as a small petroleum marketing business in 1968, the company has grown to become one of the largest retail distributors of diesel fuel in North America. It also operates service centers, restaurants, convenience stores, motels and travel plazas. Flying J s related companies offer insurance, financial and communication services, truck fleet sales, and load and equipment facilitation. The company s network of more than 220 travel plazas and fuel stops is located along national highways in nearly 50 states and Canadian provinces. It employs in excess of 14,000 people. Flying J has one of its travel plazas in Oak Creek, Wis.