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OPERATION OF COGENERATION AND OTHER NON-REGULATED ELECTRIC GENERATION FACILITIES FOR OTHERS

DEVELOPMENT AND CONSTRUCTION SERVICES IN THE FIELD OF COGENERATION AND OTHER NON-REGULATED ELECTRIC GENERATION FACILITIES

TRANSPORTATION OF NATURAL GAS AND OIL BY PIPELINE OR TRUCK; TRANSPORATION AND DELIVERY OF NATURAL GAS, RELATED LIQUIDS, CONDENSATE, RESIDUE AND REFINED PETROLEUM PRODUCTS BY TRUCK

GEOPHYSICAL EXPLORATION SERVICES FOR THE OIL AND GAS INDUSTRIES; DRILLING AND PUMPING OF OIL; ENGINEERING SERVICES, NAMELY OIL LAND NATURAL GAS EXTRACTION