Robert L. Weisgarber

Northern Illinois Gas Co. distributes natural gas properties. It also provides natural gas storage and transmission-related services to marketers and other gas distribution companies. The company was founded in 1954 and is headquartered in Naperville, IL.

Rowan Cos., Inc. engages in the provision of contract drilling services to the oil and gas industry. The company was founded by Charles Rowan and Archibald Rowan in 1923 and is headquartered in Houston, TX.

Part of Harold Hamm H.J. Trust, Continental Gas, Inc. is a company that produces gas. The company is based in Carmen, OK. Continental Gas was acquired by Harold Hamm H.J. Trust from Continental Resources, Inc. on July 21, 2004 for $22.60 million.

McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY.

Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA.

Illinova Energy Partners, Inc. is a power marketing and energy management service provider. The private company is based in Glen Carbon, IL and has subsidiaries in United States.

American Petroleum Institute (API) is the only national trade association that represents all aspects of America's oil and natural gas industry. Its more than 400 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry. They are producers, refiners, suppliers, pipeline operators and marine transporters, as well as service and supply companies that support all segments of the industry.

Boys & Girls Clubs of America offers school programs. The firm's programs include character and leadership, education and career, health & life skills, the arts, sports, fitness and recreation. Boys & Girls Clubs of America was founded in 1860 and is headquartered in Atlanta, GA.

Greater Houston Partnership operates as a place for community-minded business leaders who want to be involved in Houston''s positive growth and influence the direction. The company was founded in 1840 and is headquartered in Houston, TX.

Oklahoma Independent Petroleum Association operates as an oil and natural gas association. The company was founded in 1955 and is headquartered in Oklahoma City, OK.

Oklahoma Energy Resources Board engages in environmental restoration of well sites and educating the community about the importance of petroleum. It is headquartered in Oklahoma City, USA.

National Fish & Wildlife Foundation preserves and restores the nation?s native wildlife species and habitats. NFWF directs public conservation dollars to the pressing environmental needs and matches those investments with private funds. It was founded in 1984 and is headquartered in Washington, DC.

Oklahoma Medical Research Foundation provides investment advice. The company was founded in 1946 and is headquartered in Oklahoma City, OK.

Chicago Sister Cities International Program, Inc. operates an organization that connects communities. The location of the private company is in Chicago, IL.

Part of The Williams Cos., Inc., Aux Sable Liquid Products, Inc. extracts and processes natural gas liquids. The company is based in Morris, IL.

Family Service Foundation, Inc. provides mental health and social support services. It offers community learning services, employment customization, day habilitation and psychiatric rehabilitation program. The company is headquartered in Landover Hills, MD.

Contract Resources Ltd. provides industrial and mechanical services. Its services include catalyst and mechanical, heat exchanger, offshore oil and gas, industrial coating and pipeline services. The company was founded in 1990 and is headquartered in Sydney, Australia.

Crest Pumping Technologies LLC provides pressure pumping services. The firm provides its services to the Barnett and Eagle Ford Shales as well as the Permian Basin. The firm has locations in Fort Worth, Jacksboro and Pleasanton. The company was founded in 2011 and is headquartered in Fort Worth, TX.

Shelf Subsea Pty Ltd. provides engineering, manned diving and marine construction services for oil and gas industry. It offers dive support vessels, geotechnical, hire equipment, offshore air, nitrox system, ROV, saturation and zone rated system services. The company was founded in 2002 and is headquartered in Perth, Australia.

Part of CHC Group Ltd., CHC Helicopter Support Services (US), Inc. provides unmatched helicopter services that enable customers to work in remote and challenging destinations that limit others and come home safely. The company is based in Houston, TX. CHC Helicopter invests in ground-breaking virtual reality training for search and rescue technical crews and has won five new contracts with Petrobras. The company is dedicated to its purpose of getting customers where they need to be, when they need to be there, anywhere in the world – safely and reliably.

Council For A Secure America engages in oil and gas exploration.

Making It Better provides community services. The non-profit company is based in Houston.

ARO Drilling engages in drilling operations. It offers technical and safety drilling services. The company was founded in May 2017 and is headquartered in Al Khobar, Saudi Arabia.

Linktree operates as a media firm. The company was founded by Alex Zaccaria, Anthony Zaccaria, and Nick Humphreys in 2016 and is headquartered in Melbourne, Australia.