ONEOK INC revenue for the last year amounted to 14.88 B CHF, the most of which — 12.15 B CHF — came from its highest performing source at the moment, Natural Gas Liquids, the year earlier bringing 17.63 B CHF. The greatest contribution to the revenue figure was made by United States — last year it brought ONEOK INC 14.88 B CHF, and the year before that — 20.70 B CHF.