GMS Inc. revenue for the last year amounted to 5.50 B USD, the most of which — 2.26 B USD — came from its highest performing source at the moment, Wallboard, the year earlier bringing 2.15 B USD. The greatest contribution to the revenue figure was made by United States and Canada — last year it brought GMS Inc. 5.37 B USD, and the year before that — 5.20 B USD.