1.Sales and profit
See section β- Southwest Gas had $1.9B of revenue in fiscal 2025, down 21.6% on the year before. Over five years, revenue changed β10.1% a year on average.
- Its operating margin was 24.4%, up 8.0Β pts: of every 100 in sales, about 24 is left after running the business.
- Southwest Gas made $440M of net profit in fiscal 2025. From fiscal 2016 to 2025, diluted EPS grew 7.5% a year.




