About Southwest Gas

Members of your community for more than 90 years.

Our History

Southwest Gas Corporation was founded in 1931 and is a subsidiary of Southwest Gas Holdings Inc  We provide natural gas service to Arizona, Nevada, and portions of California. Our communities, and the more than 2 million customers we serve, are the reasons why we've been heating things up for decades. So, whether you’re enjoying a backyard barbeque with friends, getting cozy indoors during the winter, or preparing an epicurean delight in your new restaurant, Southwest Gas is here to support your comfort  and your lifestyle.

Celebrating 90 Years!

In March 2021, Southwest Gas turned 90, celebrating nine decades of providing clean and affordable natural gas service to the communities where we live and work.


Natural gas is a clean and abundant energy source, and essential to the American economy. Developing clean natural gas energy sources, such as renewable natural gas and hydrogen technology, is critical to reducing greenhouse gas emissions and accelerating a sustainable future.

Invested in Sustainability

Southwest Gas is dedicated to investing in sustainable and responsible business practices that protect the environment, preserve natural resources and safeguard our customers and employees. With approximately 2,300 employees serving more than 2 million natural gas customers located in Arizona, California and Nevada, we’re dedicated to providing a clean, essential and sustainable energy future for our customers, employees and shareholders.

As a community partner, along with our customers, employees and shareholders, we firmly believe that it is our responsibility to protect and improve the environment and accelerate a sustainable energy future.

Community Involvement

As part of our commitment to being a good corporate citizen, Southwest Gas donates to and supports causes and organizations within the communities in which we live and serve.