6
Metal manifolds for use with hydraulic and pneumatic systems; Metal pipe couplings and joints; Metal plugs; Swage blocks
7
Parts of oilfield wellhead machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pumps, pump and valve parts, pipe fittings and flanges
9
Metal strength testing machines; Pressure test connectors for testing pressure of fluids in hydraulic or pneumatic systems; Technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids; Ultrasound inspection devices for non-medical, non-destructive testing
37
Well improvement services, namely, hydraulic fracturing of subsurface geologic formations to enhance well production
42
Analysis and testing for oil workings; Computer security consultancy in the field of scanning and penetration testing of computers and networks to assess information security vulnerability; Consumer product safety testing consultation; Technical consultation in the field of power plant engineering, namely, testing and evaluation of power plant equipment to improve performance and efficiency of such equipment; Testing, analysis and evaluation of materials, namely, metal, plastic and nylon; Testing, analysis and evaluation of metal tools, machinery and fabrication equipment; Testing, analysis and evaluation of the goods of others for the purpose of certification