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Oil and Gas Field Services, NEC
Bailing, Cleaning, Swabbing, and Treating of Wells
Construction, Repair, and Dismantling Services
Excavating Slush Pits and Cellars
Fishing for Tools, Oil and Gas Field
Gas Compressing (Natural Gas) At the Fields
Lease Tanks, Oil Field: Erecting, Cleaning, and Repairing
Oil Sampling Service for Oil Companies
Oil and Gas-Field Services (Unclassified)
Pipe Testing, Oil Field Service