ARMSTRONG WORLD INDUSTRIES INC revenue for the last year amounted to 22.00 B MXN, the most of which — 15.84 B MXN — came from its highest performing source at the moment, Mineral Fiber, the year earlier bringing 17.31 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought ARMSTRONG WORLD INDUSTRIES INC 20.44 B MXN, and the year before that — 22.20 B MXN.