Michael O. Maffie

Southwest Gas Corp. engages in the provision of natural gas services. It operates through the Natural Gas Operation and Construction Services segments. The Natural Gas Operation segment deals with the business of purchasing, distributing, and transporting natural gas for customers in portions of Arizona, Nevada, and California. The Construction Services segment through the Centuri Construction Group, Inc., is full-service underground piping contractor that provides utility companies with trenching and installation, replacement, and maintenance services for energy distribution systems, and industrial construction solutions. The company was founded by Harold G. Laub in March 1931 and is headquartered in Las Vegas, NV.

The American Gas Association represents over 200 energy companies that provide natural gas service to 180 million Americans. The private company is based in Washington. The American company's natural gas utilities are committed to reducing greenhouse gas emissions through new and modernized infrastructure and advanced technologies that maintain reliable, resilient, and affordable energy service choices for consumers. The company advocates on behalf of its member natural gas distribution utilities before Federal agencies in the area of energy market regulation.

Western Energy Institute operates as a trade association that serves the electric and natural gas industries. It distributes quarterly publications to decision-makers of public and private companies involved in electric generation and transmission, gas and electric distribution, pipeline operations, power marketing and energy-related services. The company was founded in 2000 and is headquartered in Portland, OR.

United Way of Southern Nevada provides health and human care services. It provides food, clothing, shelter and safety to the poor people. The firm helps to improve care and education for children, strengthening families to become financially stable and success. The company was founded in 1957 and is headquartered in Las Vegas, NV.

The University of Nevada, Las Vegas Foundation provides financial services. University of Nevada, Las Vegas Foundation is based in Las Vegas, NV and has subsidiaries in the United States. It was founded in 1957.

Headquartered in Reno, Nevada, Wells Fargo Bank Nevada is a subsidiary of Wells Fargo & Co. (NYSE: WFC), a diversified financial services company that provides a range of banking, insurance, investment, mortgage and consumer finance services.

Del Webb Corp. builds homes and provides recreational facilities. It designs, develops and provides general contracting, remodeling and renovation services for residential buildings, including Single-family and multi-family houses, townhomes, apartments, and modular housing. The company was founded by Del E. Webb in 1928 and is located in Bloomfield Hills, MI.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.