IC 037. US 100 103 106. G & S: Construction, repair and installation services related to blowing engines, oil and natural gas drilling machines, oil and natural gas drilling rigs, semi-submersible rigs, drilling ships, jack-up rigs, semi-tender rigs, tender rigs, derricks, machines, namely, industrial robots, lifting and hoisting apparatus, namely, cranes, oil refining machines, hydraulic and pneumatic controls for machines and engines; drilling of wells for exploitation of oil and natural gas
IC 042. US 100 101. G & S: Scientific and technological research and engineering services related to oil and natural gas exploration and production; oil prospecting; analysis for oil-field exploitation; oil-field surveys; oil-well testing; geological surveys
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