WILLIAMS COS INC revenue for the last year amounted to 9.88 B EUR, the most of which — 3.58 B EUR — came from its highest performing source at the moment, Transmission & Gulf of Mexico, the year earlier bringing 3.51 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought WILLIAMS COS INC 9.24 B EUR, and the year before that — 10.52 B EUR.