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Oil and Gas Field Services, NEC
Building Oil and Gas Well Foundations On Site
Construction, Repair, and Dismantling Services
Derrick Building, Repairing, and Dismantling
Detection and Analysis Service, Gas
Excavating Slush Pits and Cellars
Fire Fighting, Oil and Gas Field
Lease Tanks, Oil Field: Erecting, Cleaning, and Repairing
Oil Sampling Service for Oil Companies
Oil Well Logging and Perforating
Removal of Condensate Gasoline From Field (Gathering) Lines