NE

Drilling for, pumping and extraction of crude oil and natural gas; construction of structures for the production of crude oil and natural gas

Distribution of energy in the form of natural gas to public utilities, electric power producers, natural gas processors, pipeline companies, marketing intermediaries, and large industrial concerns; and crude oil distribution

Production of crude oil and natural gas; processing of natural gas and natural gas liquids

Oil exploration; gas exploration; technology research in the field of well drilling and oil and gas exploration and production; oil well testing; performing oil well diagnostics