TENARIS S.A. revenue for the last year amounted to 258.07 B MXN, the most of which — 237.59 B MXN — came from its highest performing source at the moment, Tubes, the year earlier bringing 245.98 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought TENARIS S.A. 79.97 B MXN, and the year before that — 100.56 B MXN.