Investor Relations

Southwest Gas (Southwest) was incorporated in March 1931 and became a publicly owned company in January 1956. Southwest provides natural gas service to more than 1.8 million residential, commercial, and industrial customers in most of Arizona and Nevada, and parts of northeastern and southeastern California.

Financial Highights

Three and twelve month highlights.

Information Request Form

Answers to common questions.

Analyst Ratings

Brokerage House Coverage and Bond Ratings.

Additional Data

Important customer information.



SEC Reports


XBRL Filings

Date XBRL Download File
September 30, 2011 10-Q XBRL swx-201109301.zip
June 30, 2011 10-Q XBRL swx-201106302.zip
May 9, 2011 10-Q XBRL swx-20110331.zip
February 28, 2011 10-Q XBRL swx-20101231.zip
November 9, 2010 10-Q XBRL swx-20101109.zip
August 9, 2010 10-Q XBRL swx-20100630.zip

Corporate Governance

To view Corporate Governance documents, please use the following links: