Southwest Gas Holdings, Inc. is a holding company. The Company conducts its operations through its subsidiaries, Southwest Gas Corporation (Southwest) and Centuri Group, Inc. (Centuri). The Company operates through two segments: Natural Gas Operations and Utility Infrastructure Services. Southwest provides regulated natural gas delivery services. Southwest is engaged in the business of purchasing, distributing, and transporting natural gas for customers in portions of Arizona, Nevada, and California. Centuri is a utility infrastructure services enterprise that delivers a diverse array of solutions to North America’s gas and electric providers. Centuri is also engaged in the installation, replacement, repair, and maintenance of energy distribution systems. The primary focus of Centuri operations is replacement of natural gas distribution pipe and electric service lines, as well as new infrastructure installations.