Spire Inc. revenue for the last year amounted to 2.59 B USD, the most of which — 2.46 B USD — came from its highest performing source at the moment, Gas Utility, the year earlier bringing 1.95 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Spire Inc. 2.67 B USD, and the year before that — 2.20 B USD.