David Sibbald

Nevada Power Co. generates, distributes and sells electricity. It provides services to the residential, commercial and industrial sectors. The company was founded in 1906 and is headquartered in Las Vegas, NV.

Oklahoma Gas & Electric Co. generates, transmits, distributes, and sells electric energy in Oklahoma and western Arkansas. It owns and operates coal-fired, natural gas-fired, and wind-powered generating facilities. It provides energy management solutions to the firm's customers through the smart grid program. The company was founded on February 27, 1902 and is headquartered in Oklahoma City, OK.

Sierra Pacific Power Co. engages in generating, transmitting, distributing, and selling electricity. It serves the retail customers including residential, commercial and industrial, and regulated retail natural gas customers. The company was founded in 1912 and is headquartered in Reno, NV.

MarkWest Hydrocarbon LLC provides natural gas processing services. It also provides transportation, fractionation, and storage of natural gas liquids and transportation of crude oil. The company was founded by John M. Fox in April 1998 and is headquartered in Denver, CO.

Oakmont Corp. is a private family office and registered investment advisor headquartered in Los Angeles, California. The firm was founded by Robert A. Day in 1980. Oakmont provides investment advice to high-net worth individuals, trusts, corporations, foundations, partnerships and limited liability companies.

Ernst & Young LLP engages in the provision of accounting, assurance, tax, transaction, and advisory services. It specializes in the actuarial, analytics and big data, cyber security, accounting compliance and reporting, center for board matters, international financial reporting standards, country tax advisory, global trade, tax accounting, and climate change and sustainability. The company was founded in 1989 and is headquartered in New York, NY.

United Way of Central Oklahoma, Inc. provides funding to programs at non-profit agencies. The firm provides services to local donors, local businesses, non-profit organizations, government agencies, labor unions, and faith groups to deliver solutions for individuals and families in central Oklahoma. The company was founded in 1924 and is headquartered in Oklahoma City, OK.

W.M. Keck Foundation, Inc. is a charitable foundation which supports scientific, engineering, and medical research. The company was founded by William Myron Keck in 1954 and is headquartered in Los Angeles, CA.

Century 21 Real Estate LLC engages in the provision of real estate brokerage, finance and mortgage services. It offers brand marks, marketing, communications and technology solutions that help enable its franchisees. The company was founded by Marsh Fisher and Arthur E. Bartlett in 1971 and is headquartered in Madison, NJ.

Associated Electric & Gas Insurance Services Ltd. provides liability and property coverage, and related risk management services to the energy industry. It offers underwriting, claims, and loss control services. The company was founded in 1971 and is headquartered in Hamilton, BM.

BOKF, NA, do-business-as BOK Financial, is an asset management firm headquartered in Tulsa, Oklahoma. The firm is a subsidiary of BOK Financial Corp. (NASDAQ: BOKF). BOKF offers trust and investment management services through their banks and subsidiary.

Petrolera Entre Lomas SA is a hydrocarbons exploration and exploitation Company. It is engaged in the production of Oil and Gas in Cuenca Neuquina. The company was founded in 1968 and is headquartered in Río Negro, Argentina.

Part of The Williams Cos., Inc., Williams Natural Gas Co. is a company that engages in extracting natural gas. The company is based in Tulsa, OK.

Cherokee Advisors Private Equity (Cherokee Advisors Private Equity) subsidiary of Cherokee Advisors LLC founded in 2005 by Reid Zeising. The firm is headquartered in Atlanta, Georgia.

Kentucky Fried Chicken Ltd. (Franchise) is a restaurant chain based in Warrensburg, MO. The private company operates under the KFC brand and specializes in serving fried chicken.

Tattered Cover, Inc. is an independent seller of new books. It stocks several titles in three locations upscale Cherry Creek, historic lower downtown (LoDo) Denver, and suburb Highlands Ranch. The company was founded in 1971 and is located in Denver, CO.

The University of Texas M.D. Anderson Cancer Center provides cancer patient care, research, and prevention for cancer. The firm also provides education for undergraduate and graduate students, trainees, professionals, employees and the publics. The company was founded in 1941 and is headquartered in Houston, TX.

The American Institute of Certified Public Accountants provides vocational education in accounting. The company provides services to the accounting community, regulatory bodies, and other organizations. It also operates in Jersey City, Washington, and Lewisville. It was founded in 1887 and is headquartered in New York City, NY.

The Oklahoma Society of Certified Public Accountants was founded in 1918 and provides auditing and accounting services. The private company is based in Oklahoma City, OK.

The Society of Exploration Geophysicists operates as an association of exploration geophysicists. The non-profit company is based in Tulsa, OK and has subsidiaries in the United States.