| << Previous Code | Next Code >> |
1311-01 Oil Producers
1311-03 Oil Companies
1311-04 Oil & Gas Production
1321-98 Natural Gas Liquids
1381-01 Contractors-Oil Field
1381-02 Oil Well Drilling
1381-03 Gas Well Drilling
1381-04 Oil Well Directional Drilling
1381-05 Drilling Diamond Core
1381-98 Drilling Oil & Gas Wells
1382-01 Seismograph Service
1382-02 Oil Reports
1382-03 Oil & Gas Exploration & Development
1382-04 Oil & Gas Consultant
1382-05 Explorers-Natural Resources
1382-06 Seismic Data Brokers
1389-01 Oil Field Equipment Repairing
1389-02 Mud Jacking Contractors
1389-03 Oil Field Specialties
1389-04 Oil Inspectors
1389-05 Oil Field Service
1389-06 Oil Well Cementing
1389-07 Oil Well Casing Pulling
1389-08 Oil Well Drilling Mud & Additives
1389-09 Oil Well Surveyors
1389-10 Oil Well Logging & Perforating
1389-11 Oil Well Testing
1389-12 Oil Well Services
1389-13 Pipe Inspection
1389-14 Riggers
1389-15 Hot Shot Service
1389-16 Wireline Service
1389-17 Oil Well Chemical Service
1389-99 Oil & Gas Field Services Nec