(1) - Tubulars, casings, tubings, drill pipes, coupling stock; Line pipe products, namely: seamless metal line pipes and welded metal line pipes
(2) - Pipe Running Services; Pipe construction and maintenance
(3) - Running services of metal pipes for oil wells, refineries and liquid and gas transfer; Construction and maintenance of metal pipes for oil wells, refineries and liquid and gas transfer
(4) - Tubes of metal used for oil wells, refineries and liquid and gas transfer, casings of metal for oilwells and refineries, drill pipes, tubes of metal used to make metal pipe couplings; Line pipe products, namely: seamless metal line pipes and welded metal line pipes
(5) - Project management in the field of oil and gas
(6) - Import and export cargo handling services
(7) - Manufacture of Pipe; Manufacturing of downhole tools; Threading of pipe and pipe accessories
(8) - Manufacture of metal pipes for oil wells, refineries and liquid and gas transfer; Manufacturing of downhole tools; Threading of metal pipes for oil wells, refineries and liquid and gas transfer and metal pipe accessories, namely, oil well, refinery, liquid and gas production assemblies
(9) - Inspection of services of metal pipes for oil wells, refineries and liquid and gas transfer
(10) - Pipe inspection services
(11) - Design, planning and engineering of oil and gas pipelines and wells
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