Christopher G. Swanberg

Part of Icahn Associates Holding LLC, CVR GP LLC is a company that manufactures and supplies fertilizer. The company is based in Sugar Land, TX. Mark A. Pytosh has been the CEO of the company since 2011.

Atlantic Richfield Co. provides oil and gas extraction and production services . The firm's exploration and production operations are focused primarily in the Gulf of Mexico and the midcontinent in the United States, the United Kingdom North Sea, Indonesia, China and Algeria. The company was incorporated on April 15, 1985 and is headquartered in Warrenville, IL.

Houston Refining LP engages in providing oil refinery services. Its products include gasoline, diesel, benzene, paraxylene and orthoxylene. . The company was founded in 2006 and is headquartered in Dallas, TX.

Sage Environmental Consulting LP provides environmental consulting services. It assists clients with regulatory compliance, permitting and remediation for environmental programs and media. The firm addresses issues of water quality, hazardous materials and petroleum storage. The company was founded by Steven Mark Probst in 1998 and is headquartered in Austin, TX.

Coffeyville Resources LLC supplies petroleum and nitrogen fertilizer products. The company is headquartered in Sugar Land, TX.