ONE Gas, Inc. revenue for the last year amounted to 2.37 B USD, the most of which — 2.14 B USD — came from its highest performing source at the moment, Natural Gas, the year earlier bringing 2.41 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought ONE Gas, Inc. 2.37 B USD, and the year before that — 2.58 B USD.