C

Help in management of the business affairs and commercial functions and business operations assistance of oil and natural gas enterprises; business services, namely, arranging trading of oil and gas; oil and natural gas energy management, namely, usage management

[ Oil and natural gas facility maintenance and repair services; Oil and natural gas maintenance services, namely, maintenance of oil and natural gas exploration and drilling rigs and equipment; construction, maintenance and repair of oil and natural gas transportation systems and equipment ]

public utility services in the nature of natural gas and oil transportation; transportation of natural gas, liquefied natural gas, and oil; storage of oil, natural gas and liquefied natural gas; transportation of oil and natural gas drilling rigs

[ recycling services; water treatment services ]