uthwest Gas Holdings, Inc. engages in the energy business. It operates through the following segments: Natural Gas Operations and Utility Infrastructure Services. The Natural Gas Operations segment purchases, distributes, and transports natural gas in Arizona, California, and Nevada. The Utility Infrastructure Services segment enterprise to delivering a diverse array of solutions to North America's gas and electric providers. The company was founded in March 1931 and is headquartered in Las Vegas, NV.