Company Affiliates

Notice of New Affiliate/Update to CA ATR Compliance Plan

Name Business Activity
Carson Water Company (Carson Water)  Holding company for Centuri Construction Group, Inc.
Centuri Group, Inc. (formerly Isleworth Holding Co.) Holding Company1
IntelliChoice Energy, LLC (IntelliChoice) Joint venture. Majority-owned subsidiary of NPL. Formed to market and commercialize natural gas-fired heat pump technology.
IntelliChoice Energy of California LLC (CAL ICE)
Wholly-owned subsidiary of IntelliChoice, formed to market/commercialize natural gas-fired pump heat technology in California.1
NPL Construction Co. (NPL) Full service pipeline distribution system contractor.1
Great Basin Gas Transmission Company  FERC jurisdictional interstate natural gas pipeline. Great Basin's system extends from the Idaho-Nevada border to the Nevada-California border.
Southwest Administrators, Inc. (SA) Wholly owned subsidiary of NPL. Formed to provide pipeline construction service in California.1
The Southwest Companies (SC)  Holding company for temporary possession of certain real estate subsidiaries. Currently inactive.
Southwest Gas Transmission Co. (SGTC) FERC jurisdictional interstate natural gas pipeline transporting gas to Southwest Gas' Southern Nevada system. SGTC does not provide service in California. 
Southwest Gas Holdings, Inc. Holding Company
Southwest Gas Utility Group, Inc. Holding Company
Utility Financial Corp. (UFCO) Minority limited partner in SGTC.

1Transactions between Southwest Gas and these affiliates are subject to the California Affiliate Transaction Rules.

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