TOUCHSTONE EXPLORATION INC COM NPV (DI) revenue for the last year amounted to 37.78 M GBP, the most of which — 28.74 M GBP — came from its highest performing source at the moment, Crude Oil and Natural Gas, the year earlier bringing 22.48 M GBP. The greatest contribution to the revenue figure was made by Trinidad and Tobago — last year it brought TOUCHSTONE EXPLORATION INC COM NPV (DI) 28.74 M GBP, and the year before that — 22.48 M GBP.