GS0071: machines for drilling, completing, producing, and working oil and gas wells and parts therefor, namely, frac plugs, toe valves, and frac balls.; machines for drilling, completing, producing, and working oil and gas wells and parts therefor, including retrievable production packers, permanent packers, cement retainers, bridge plugs, seal bore packers, on/off tools, frac sleeves, open hole packers, squeeze packers, squeeze manifolds, retrievable bridge plugs, tubing anchors, wireline adapter kits, and landing nipples
GS0371: repair and maintenance of tools used in drilling, completion, production, and working of oil and gas wells; rental of tools used in drilling, completion, production, and working of oil and gas wells; contractor services, namely, review of and remedial recommendations for oil and gas well downhole tools for others
GS0421: engineering services in connection with the design, manufacture, and application of specialized downhole tools
Trademark
87235982
