AT&T INC revenue for the last year amounted to 111.11 B CHF, the most of which — 77.43 B CHF — came from its highest performing source at the moment, Communications - Mobility, the year earlier bringing 70.71 B CHF. The greatest contribution to the revenue figure was made by United States — last year it brought AT&T INC 106.15 B CHF, and the year before that — 98.59 B CHF.