HF Sinclair Corporation (NYSE: DINO) is a diversified American energy company engaged in petroleum refining, renewable fuels, midstream operations, and the marketing of refined products. The company's core business is its Refining segment, which operates seven complex refineries in Kansas, New Mexico, Oklahoma, Utah, Washington, and Wyoming, with a combined crude oil processing capacity of 678,000 barrels per day. HF Sinclair also operates a Renewables segment with three facilities producing renewable diesel from feedstocks like vegetable oils and animal fats. Its Midstream segment provides transportation, terminalling, and storage services, supported by a network of pipelines and terminals. Additionally, the Marketing segment distributes motor fuels through a network of over 1,700 Sinclair-branded gas stations across the United States. The company also has a Lubricants & Specialties segment that produces base oils and specialty chemicals under brands like Petro-Canada Lubricants and Sonneborn, exporting to over 80 countries.