Southwest Gas Corporation was founded in 1931 in Barstow, California. The company expanded to Nevada in 1953.
Today Southwest Gas is the largest supplier of natural gas in Arizona and Nevada with 1.93 million customers, as well as some presence in California.
The company acquires its natural gas from 46 suppliers and also owns a transmission pipeline in the Las Vegas area.
Southwest Gas Corporation trades publicly on the New York Stock Exchange under the ticker symbol SWX, is a member of the S&P 600, is a member of the Russell 2000, has 6,232 employees, and had $2.25 billion in revenue in 2014.