Thomas E. Chestnut

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.

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.

The Associated General Contractors of America is a leading association for the construction industry, representing over 27,000 firms, including 6,500 general contractors and 9,000 specialty-contracting firms. The private company is based in Arlington, VA and has subsidiaries in the United States. The company's mission is to ensure the continued success of the construction industry. The CEO of the company is Stephen E. Sandherr.

United Way of Tucson & Southern Arizona, Inc. provides health and human services. The firm’s programs include cradle to career, days of caring and volunteer income tax assistance. The Company is headquartered in Tucson, AZ.