HollyFrontier Corporation is an American petroleum refining company headquartered in Dallas, Texas. It was originally named Holly Corporation and was founded in 1947. Over the years, the company has grown through acquisitions and mergers to become one of the largest independent petroleum refiners in the United States.

HollyFrontier operates through its subsidiaries, which include Holly Energy Partners, L. P. Holly Energy Partners is involved in the transportation, storage, and distribution of petroleum products, while Petro-Canada Lubricants focuses on providing high-quality lubricant products and services worldwide.

The company's main products and services include gasoline, diesel fuel, jet fuel, asphalt, and specialty lubricant products. It operates five refineries located in the United States, with a combined crude oil processing capacity of approximately 457,000 barrels per day. These refineries are strategically located near major transportation hubs, allowing the company to efficiently distribute its products to national and international markets.

HollyFrontier has been able to strengthen its global presence through various partnerships and joint ventures. It has formed a joint venture with Sinclair Oil Corporation to operate the Sinclair Refinery in Wyoming. Additionally, the company has partnered with P66 Holdings LLC to operate the Cheyenne Refinery in Wyoming.

In terms of its market position, HollyFrontier is a significant player in the refining industry. It has maintained a strong position in the United States, particularly in the Midwest and Southwest regions. The company has also expanded its market reach through its international operations and distribution of lubricant products.

Over the years, HollyFrontier has achieved several noteworthy accomplishments. In 2011, Holly Corporation and Frontier Oil Corporation completed a merger to form HollyFrontier Corporation, combining the strengths of both companies. This merger significantly expanded the company's refining capacity and increased its competitive advantage.

As of the latest available information, HollyFrontier continues to grow and adapt to changes in the industry. The company has emphasized its commitment to sustainability and environmental stewardship, investing in technologies and practices that reduce its environmental impact. In conclusion, HollyFrontier Corporation is a leading American petroleum refining company with a strong market position in the United States and a growing presence globally.

It offers a wide range of products and services and has achieved significant growth through mergers, acquisitions, and partnerships. As the company continues to evolve, it remains focused on delivering high-quality products while prioritizing sustainability and environmental responsibility