Watkins Associated Industries does business over the road, on the ground, and by the sea. Its trucking businesses include Highway Transport Chemical (liquid chemical transport), Highway Transport Petroleum, Highway Transport Logistics, Land Span (general cargo), Sunco Carriers (refrigerated cargo), and Watson Truckload Services (regional general cargo). Another unit, Tampa Maid Foods, sources, processes, and markets seafood such as shrimp, calamari, scallops, oysters, and crab. Its Watkins Retail Group is a shopping center development, leasing, and management company that was founded in 1977. Bill Watkins founded the family-owned company in 1932 with a $300 pickup truck.