Southwest Gas Corporation is principally engaged in the business of purchasing, distributing and transporting natural gas to residential, commercial and industrial customers in the southwestern United States.

Southwest has approximately 2,400 employees who serve more than 1.8 million customers in Arizona, Nevada and portions of California. The company added 5,000 customers in 2009.

An investor-owned utility, Southwest Gas shares are traded on the New York Stock Exchange. Since 1931, Southwest Gas has been committed to excellence in serving its primary constituencies -- its customers, its employees, its shareholders, and the communities in which it operates. For detailed information regarding Southwest Gas Corporation, please review our Annual Report.