Michel E. Nelson

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.

Northern Border Pipeline Co. engages in the provision of natural gas transportation system. It links the Midwestern United States with reserves in the Western Canadian Sedimentary Basin. The company was founded in 1978 and is headquartered in Houston, TX.

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 Symphony Orchestra engages in providing entertainment and inspires through creative and innovative programs. The company was founded in October 2005 by Frank Letcher and is headquartered in Tulsa, OK.

Habitat for Humanity International, Inc. is a non-profit organization that seeks to eliminate poverty housing and homelessness and to make decent shelter a matter of conscience and action. The organization was founded by Millard Fuller and Linda Fuller in 1976 and is headquartered in Atlanta, GA.

Guardian Pipeline LLC provides natural gas distribution and transportation services. The company was founded in 2002 and is headquartered in Omaha, NE.