P. Dean Ridenour

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.

Ernst & Young LLP engages in the provision of accounting, assurance, tax, transaction, and advisory services. It specializes in the actuarial, analytics and big data, cyber security, accounting compliance and reporting, center for board matters, international financial reporting standards, country tax advisory, global trade, tax accounting, and climate change and sustainability. The company was founded in 1989 and is headquartered in New York, NY.

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.

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.