Proud to Fuel What Matters—Yesterday, Today, and Tomorrow

For more than 90 years, we've had the honor of serving the homes, businesses, and communities of Arizona, California, and Nevada. Our growth has gone hand-in-hand with yours, and we're proud to be your trusted natural gas provider—then and now.

A New Fuel Company is Born

In 1931, H.G. Laub, Joe Gray, Jr., and John Koeneman saw an opportunity to expand their butane distribution business. That opportunity was liquefied petroleum gas, and the setting was Barstow, California. Within two years, Southwest Gas provides the first natural gas service to the community of Douglas, Arizona.

1931

Building Connections Across the Nation

In a move that revolutionizes the energy business, Southwest Gas customers convert from propane to natural gas, made possible in large part by a pipeline that connects the California High Desert Communities to neighbors in the Midwest.

Southwest Gas Corporation Goes Public

January 24, 1956, goes down in utilities history as Southwest Gas becomes a publicly owned company on the Over the Counter Exchange. By day’s end, 44,208 shares of common stock are sold to the public.

Uniting Forces in Arizona

Southwest Gas expands into Pinal and Greenlee Counties after acquiring Natural Gas Service of Arizona.

Welcome to Las Vegas

A growing company leads Southwest Gas Founder H.G. Laub to move the corporate headquarters to Las Vegas.

Southwest Gas begins serving 121 customers in the mountain town of Big Bear, California.

The completion of a 250-mile pipeline into Northern Nevada allows Southwest Gas to expand service to 16 communities, from Elko to South Lake Tahoe.

Transmission pipelines from Victorville and Big Bear are up and running.

Natural Gas Service Expands at Lake Tahoe

A pipeline to north shore of Lake Tahoe is completed, and extends along the California coast to Tahoma.

The company settles into its new corporate headquarters on Spring Mountain Road in Las Vegas, Nevada.

Southwest Gas Becomes SWX on the NYSE

July 19, 1979 marks a big day for Southwest Gas—the company’s shares of common stock are sold for the first time on the New York Stock Exchange (NYSE: SWX). During this year, Southwest Gas purchases Tucson Gas & Electric, nearly doubling the company’s customer base overnight.

In another first for the public utilities industry, Southwest Gas becomes the first natural gas company to offer common stock to its customers through a stock purchase plan. This proves to be a huge success as more than 3,400 customers become shareholders in the first four months of the program.

Harold G. Laub Liquefied Natural Gas Plant Opens in Lovelock, Nevada

The largest single construction project in the company’s history is completed. This is great news for customers in Northern Nevada, as the plant provides additional assistance during peak energy times.

Continued Growth in Arizona

Southwest Gas acquires Arizona Public Service, doubling its ever-growing customer base.

Federal Energy Regulatory Commission policy initiatives requiring that interstate natural gas pipelines provide open access transportation services influences Southwest Gas to form Paiute Pipeline Company.

Paiute Pipeline officially begins operations on August 1, 1988.

Southwest Gas acquires CP National’s gas operations in Needles, California; and Henderson and Green Valley, Nevada.

1 Million Customers

The company reaches a milestone as it expands into Truckee, California, and grows its customer base to an impressive one million.

Southwest Gas’ Southern California Division celebrates adding its 100,000th customer in late October.

Nearly 1.4 million customers across Arizona, California and Nevada are now being served by Southwest Gas as the company approaches its 70th anniversary.

75 Years of Progress

Electronic meter reading replaces on-site readings, providing increased accuracy and efficiency.

1.8 Million Strong

By year’s end, 1.8 million customers are having their meters read electronically.

Meet BLUE— Building Lives Up Everywhere

The Southwest Gas Employee Volunteer Team undergoes a change, rebranding as BLUE—Building Lives Up Everywhere. The acronym translates to a deeper connection with not only the corporation, but the communities it serves, showcasing the company’s passion for volunteering and creating positive change in our communities.

Southwest Gas Turns 80

Celebrating its 80th year in business, the company focuses on increased growth and sustainability initiatives such as energy efficiency programs and paperless billing.

FUEL for LIFE

Southwest Gas employees pledge $1.2 million to local charity organizations, solidifying the Fuel for Life employee giving program as a successful community partner.

Southwest Gas Stock Soars

2014 ends on a high note for Southwest Gas as its stock closes at $64.04 per share on the NYSE, the highest price reached for the company since its stock first appeared on Wall Street. The win is celebrated with a bell ring by CEO Jeff Shaw.

Southwest Gas’ Wholly-owned Subsidiaries Acquire Link-Line and Brigadier Pipelines Inc.

The acquisition of NPL Construction Co.’s Link-Line Group of companies and Carson Water Company’s Brigadier Pipelines Inc. creates one of the largest natural gas distribution contractors in North America, establishing a sustainable path for growth in the U.S. and Canada.

Southwest Gas Corporation Announces New CEO

John Hester succeeds Jeffrey Shaw after an 11-year tenure which saw significant growth in customer base and consolidated revenue. Hester continues the company’s “Investing in Integrity” effort.

New Look for a New Year

A new company website rolls out, giving users a quicker and easier way to find time saving resources and other valuable information.

Adobe Lateral Completed

The 35-mile long pipeline lateral in Northern Nevada connects Ruby Pipeline to Paiute’s Elko, Nevada, City Gate. The 8-inch diameter steel transmission pipeline increases natural gas transportation capacity to the Elko area and enhances service reliability.

Southwest Gas Holdings is formed

The Year begins with the establishment of a holding company with business interests in two major segments – Natural Gas Operations and Construction Services – as it becomes the parent company of Southwest Gas Corporation and Centuri Construction Group, Inc. This holding company structure enables additional flexibility to engage in activities that build shareholder value.

2 Millionth Customer!

November 7, 2017, two million strong, we pledge to continue working hard to safely and reliably fuel the future while remaining engaged in our local communities and providing a great work environment for our more than 2,200 outstanding employees.

Expansion into Mesquite, Nevada

On May 31, 2018, The Public Utilities Commission of Nevada approved the expansion of natural gas service to Mesquite, Nevada, pursuant to Senate Bill 151.

Expansion into Spring Creek, Nevada

The Public Utilities Commission (PUCN) authorized Southwest Gas to expand natural gas service into the Spring Creek area, bringing safe, affordable natural gas service to the community in northeastern Nevada.

Celebrating 90 Years

In March, Southwest Gas marked its 90th anniversary, celebrating nine decades of providing safe, reliable, and affordable natural gas service to more than 2 million customers across communities in Arizona, California, and Nevada.

Arizona Corporation Commission Approves Graham County Transition

On December 15, 2021, the Arizona Corporation Commission approved the transition of natural gas service in Graham County from Graham County Utilities Inc. (GCU) to Southwest Gas. The transition began on January 18, 2022, bringing safe, reliable, and affordable natural gas service to approximately 5,300 new customers in the region.

Karen Haller Becomes President and CEO of Southwest Gas Holdings, Inc.

On May 6, 2022, Karen Haller was appointed President and CEO of Southwest Gas Holdings, Inc., becoming the first woman to lead the company in its history. Under her leadership, Southwest Gas has continued its trajectory as a Fortune 500 company.

Justin Brown Named President of Southwest Gas Corporation

On May 17, 2022, Justin Brown was named President of Southwest Gas Corporation. A seasoned leader in utility regulation, legal affairs, and public policy, Brown brings nearly two decades of experience with the utility to his new role.

Southwest Gas Announces Transition to Pure Play Utility

On April 22, 2024, announced the closing of Centuri Holdings, Inc.'s initial public offering, completing the separation, marking a major milestone in Southwest Gas’ efforts to concentrate on its regulated utility business.

Southwest Gas Recognized for Award Winning Service

Southwest Gas honored for excellence in customer service, trust, and overall business performance.

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