Southwest Gas Holdings Incorporated transports and distributes natural gas to metropolitan areas in Arizona, Nevada, and California. As of 202112/31, it serves 2.6 million residential, commercial, institutional, and industrial customers. Through its Utility Infrastructure Services and Pipeline and Storage segments, the company also offers trenching, installation, and replacement of underground pipes, as well as maintenance services for energy distribution systems. Southwest Gas was incorporated in 1931 and is headquartered in Las Vegas, NV.