Several natural gas utility companies operate in the USA. Here are some of the major ones:
## Southern Company Gas: This is one of the largest natural gas utility companies in the United States, serving over 4.2 million customers across six states, including Alabama, Florida, Georgia, Mississippi, Tennessee, and Virginia.
## Sempra Energy: Sempra Energy is a diversified energy company that operates two regulated California utilities, San Diego Gas & Electric Company and Southern California Gas Company, serving over 21 million customers in California.
## National Grid: While primarily an electricity company, National Grid also provides natural gas service to customers in Massachusetts, New York, and Rhode Island.
## Xcel Energy: Xcel Energy operates natural gas utilities in several states, including Colorado, Michigan, Minnesota, New Mexico, North Dakota, South Dakota, Texas, and Wisconsin.
## Pacific Gas and Electric Company (PG&E): PG&E is one of the largest combined natural gas and electric utilities in the United States, serving more than 16 million people across Northern and Central California.
## Dominion Energy: Dominion Energy operates natural gas utilities in several states, including Virginia, North Carolina, South Carolina, Ohio, and Utah.
## Atmos Energy: Atmos Energy is one of the largest natural gas-only distributors in the United States, serving over 3 million customers in eight states, including Texas, Louisiana, Mississippi, Kentucky, Tennessee, Colorado, Kansas, and Illinois.
## CenterPoint Energy: CenterPoint Energy delivers natural gas to approximately 4.5 million homes and businesses in six states, including Texas, Oklahoma, Louisiana, Arkansas, Mississippi, and Minnesota.
These are just a few examples, and there are many more natural gas utility companies operating across the United States, serving millions of customers.
