HF Sinclair Corp. is an independent energy company. The company is headquartered in Dallas, Texas and currently employs 5,165 full-time employees. The firm produces and markets products such as gasoline, diesel fuel, jet fuel, renewable diesel and other specialty products. Its segments include Refining, Renewables, Marketing, Lubricants & Specialties and Midstream. The Refining segment includes the operations of El Dorado, Tulsa, Puget Sound, Navajo, Woods Cross, Parco and Casper refineries and Asphalt. The Renewables segment includes the operations of the Artesia, Cheyenne and Sinclair Renewable Diesel Units (RDUs) and the Artesia Pretreatment Unit (PTU). The Marketing segment includes branded fuel sales. The Lubricants & Specialties segment includes the operations of Petro-Canada Lubricants, Red Giant Oil and Sonneborn businesses in addition to specialty lubricant products produced at Tulsa West refinery. The Midstream segment includes petroleum products and crude pipelines, and terminal, tankage and loading rack facilities that primarily support refining operations.