Jeffery D. Hildebrand

Houston Livestock Show & Rodeo, Inc. is the rodeo and livestock show. It supports education and promotes better breeding and marketing of livestock. It judges nearly 32,000 livestock entries and awards prizes in six categories and also funds agricultural and research scholarships as well as education endowments in support of groups like Future Farmers of America and 4H. Houston Livestock Show and Rodeo events are held at the Reliant Stadium. The company was founded in 1931 and is located in Houston, TX.

The National Petroleum Council operates as a council for national petroleum. The private company is based in Washington.

Hilcorp Energy Co. operates as a oil and natural gas exploration and production company. Its operating areas include the Gulf coast of Texas and Louisiana, the Northeast United States, and Alaska's Cook Inlet and North Slope. The company was founded by Jeffery D. Hildebrand in 1989 and is headquartered in Houston, TX.

Greater Houston Community Foundation provides community improvement services. The company was founded in 1995 and is headquartered in Houston, TX.

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

Central Houston, Inc. engages in the collaboration and implementation of solutions for the challenges of the city. It focuses on the redevelopment and revitalization by enhancing collaboration among public officials, developers, and businesses. The company was founded in 1983 and is headquartered in Houston, TX.