Mark Allen Plake

Holly Corp. refines and markets petroleum products. It primarily produces light products, including gasoline, diesel fuel and jet fuel. It operates the Navajo Refinery in New Mexico and the Woods Cross Refinery in Utah. It was founded in 1947 and is headquartered in Dallas, TX.

Holly Energy Partners LP engages in the business of operating a system of petroleum product and crude pipelines, storage tanks, distribution terminals, and loading rack facilities. It operates through the Pipelines and Terminals, and Refinery Processing Unit segments. The Pipelines and Terminals segment includes petroleum products, crude pipelines and terminal, tankage, and loading rack facilities. The company was founded in 2004 and is headquartered in Dallas, TX.

HollyFrontier Corp. is an independent petroleum refiner and marketer. It specializes in gasoline, diesel fuel, jet fuel, and modified asphalt. The firm operates through the following segments: Refining, Lubricants and Specialty Products, and Holly Energy Partners LP (HEP). The Refining segment includes the operations in its El Dorado, Tulsa, Navajo, Cheyenne, and Woods Cross Refineries. The Lubricants and Specialty Products segment offers base oil production activities, by-product sales to third parties, and intra-segment base oil sales, which includes the purchase of base oils and the blending, packaging, marketing and distribution, and sales of finished lubricants and specialty products to third parties. The HEP segment relates to all of the operations of HEP. The company was founded in 1947 and is headquartered in Dallas, TX.

Part of BP Plc, Atlantic Richfield Corp. provides logging services.

Part of Enterprise Products Partners LP, Arco Pipe Line Co. is a company that owns and operates refined petroleum pipelines. The company is based in Drumright, OK. Arco Pipe Line was acquired by Enterprise TE Partners LP, a subsidiary of Enterprise Products Partners LP from Atlantic Richfield Co., Inc. on July 21, 2000 for $318.50 million.

Part of HF Sinclair Corp, Holly Logistic Services LLC is a company that provides logistics services. The company is based in Dallas, TX. Michael C. Jennings has been the CEO of the company since 2011.

Petro-Canada Lubricants, Inc. manufactures and distributes lubricants. The company and is headquartered in Calgary, Canada.

Part of HF Sinclair Corp, Petro-Canada Europe Lubricants Ltd. is a British company that specializes in researching, developing, and producing high-quality lubricants, specialty fluids, and greases. The company is based in Solihull, UK. With over 30 years of experience, the company has established itself as a global leader in the industry, marketing its products in over 80 countries.