Robert S. Mareburger

CITGO Petroleum Corp. engages in refining, transporting, and marketing of transportation fuels, lubricants, and petrochemicals products. It offers retail gasoline, diesel fuel, jet fuel, lubricants, petrochemicals, and other petroleum-based industrial products. The company was founded by Henry L. Doherty in 1910 and is headquartered in Houston, TX.

ONEOK Partners LP engages in gathering, processing, storage, and transportation of natural gas. The company was founded in 1993 and is headquartered in Tulsa, OK.

Accenture LLP provides management consulting, technology, and outsourcing services. Its services encompass customer relationship, finance, human resources, service, supply chain, information management, business process, and infrastructure outsourcing services. The company was founded in 1989 and is headquartered in Chicago, IL.

Part of ONEOK, Inc., ONEOK Partners GP LLC operates a natural gas distribution system. The company is based in Tulsa, OK.

Interstate Natural Gas Association of America operates as a not-for-profit organization. It specializes in the natural gas pipeline industry. The firm regulates the safety, environment, construction, economics, security, and operations of the industry. The company is headquartered in Washington, DC.

Tulsa Area United Way provides social services. It works to advance the common good by focusing on the three building blocks of a better quality of life - education, health/safety and financial stability. The company recruits people and organizations from across the community who bring the passion, expertise and resources needed to get things done. The company was founded in 1924 and is headquartered in Tulsa, OK.