Oil And Gas Extraction
| SIC8 | DESCRIPTION |
| 1311-0000 | CRUDE PETROLEUM AND NATURAL GAS |
| 1311-0100 | CRUDE PETROLEUM AND NATURAL GAS PRODUCTION |
| 1311-0101 | CRUDE PETROLEUM PRODUCTION |
| 1311-0102 | NATURAL GAS PRODUCTION |
| 1311-0200 | GAS AND HYDROCARBON LIQUEFACTION FROM COAL |
| 1311-0201 | COAL GASIFICATION |
| 1311-0202 | COAL LIQUEFACTION |
| 1311-0203 | COAL PYROLYSIS |
| 1311-0300 | SAND AND SHALE OIL MINING |
| 1311-0301 | OIL SAND MINING |
| 1311-0302 | OIL SHALE MINING |
| 1311-0303 | TAR SANDS MINING |
| 1321-0000 | NATURAL GAS LIQUIDS |
| 1321-9901 | BUTANE (NATURAL) PRODUCTION |
| 1321-9902 | CASING-HEAD BUTANE AND PROPANE PRODUCTION |
| 1321-9903 | CYCLE CONDENSATE PRODUCTION (NATURAL GAS) |
| 1321-9904 | ETHANE (NATURAL) PRODUCTION |
| 1321-9905 | FRACTIONATING NATURAL GAS LIQUIDS |
| 1321-9907 | LIQUEFIED PETROLEUM GASES (NATURAL) PRODUCTION |
| 1321-9908 | NATURAL GAS LIQUIDS PRODUCTION |
| 1321-9909 | NATURAL GASOLINE PRODUCTION |
| 1321-9910 | PROPANE (NATURAL) PRODUCTION |
| 1381-0000 | DRILLING OIL AND GAS WELLS |
| 1381-9901 | DIRECTIONAL DRILLING OIL AND GAS WELLS |
| 1381-9902 | DRILLING WATER INTAKE WELLS |
| 1381-9903 | REDRILLING OIL AND GAS WELLS |
| 1381-9904 | REWORKING OIL AND GAS WELLS |
| 1381-9905 | SERVICE WELL DRILLING |
| 1381-9906 | SPUDDING IN OIL AND GAS WELLS |
| 1382-0000 | OIL AND GAS EXPLORATION SERVICES |
| 1382-9901 | AERIAL GEOPHYSICAL EXPLORATION OIL AND GAS |
| 1382-9902 | GEOLOGICAL EXPLORATION OIL AND GAS FIELD |
| 1382-9903 | GEOPHYSICAL EXPLORATION OIL AND GAS FIELD |
| 1382-9904 | SEISMOGRAPH SURVEYS |
| 1389-0000 | OIL AND GAS FIELD SERVICES NEC |
| 1389-0100 | CONSTRUCTION REPAIR AND DISMANTLING SERVICES |
| 1389-0101 | BUILDING OIL AND GAS WELL FOUNDATIONS ON SITE |
| 1389-0102 | DERRICK BUILDING REPAIRING AND DISMANTLING |
| 1389-0103 | EXCAVATING SLUSH PITS AND CELLARS |
| 1389-0104 | GRADING OIL AND GAS WELL FOUNDATIONS |
| 1389-0105 | LEASE TANKS OIL FIELD: ERECTING CLEANING AND REPAIRING |
| 1389-0106 | OIL AND GAS WELLS: BUILDING REPAIRING AND DISMANTLING |
| 1389-0107 | WELL PLUGGING AND ABANDONING OIL AND GAS |
| 1389-0200 | TESTING MEASURING SURVEYING AND ANALYSIS SERVICES |
| 1389-0201 | DETECTION AND ANALYSIS SERVICE GAS |
| 1389-0202 | MEASUREMENT OF WELL FLOW RATES OIL AND GAS |
| 1389-0203 | OIL SAMPLING SERVICE FOR OIL COMPANIES |
| 1389-0204 | PIPE TESTING OIL FIELD SERVICE |
| 1389-0205 | SURVEYING WELLS |
| 1389-0300 | BAILING CLEANING SWABBING AND TREATING OF WELLS |
| 1389-0301 | ACIDIZING WELLS |
| 1389-0302 | BAILING WELLS |
| 1389-0303 | CHEMICALLY TREATING WELLS |
| 1389-0304 | CLEANING WELLS |
| 1389-0305 | SWABBING WELLS |
| 1389-9901 | CEMENTING OIL AND GAS WELL CASINGS |
| 1389-9902 | FIRE FIGHTING OIL AND GAS FIELD |
| 1389-9903 | FISHING FOR TOOLS OIL AND GAS FIELD |
| 1389-9904 | GAS COMPRESSING (NATURAL GAS) AT THE FIELDS |
| 1389-9905 | GAS FIELD SERVICES NEC |
| 1389-9906 | HAULAGE OIL FIELD |
| 1389-9907 | HOT SHOT SERVICE |
| 1389-9908 | HYDRAULIC FRACTURING WELLS |
| 1389-9909 | IMPOUNDING AND STORING SALT WATER OIL AND GAS FIELD |
| 1389-9910 | MUD SERVICE OIL FIELD DRILLING |
| 1389-9911 | OIL CONSULTANTS |
| 1389-9912 | OIL FIELD SERVICES NEC |
| 1389-9913 | PERFORATING WELL CASINGS |
| 1389-9914 | PROCESSING SERVICE GAS |
| 1389-9915 | PUMPING OF OIL AND GAS WELLS |
| 1389-9916 | REMOVAL OF CONDENSATE GASOLINE FROM FIELD (GATHERING) LINES |
| 1389-9917 | ROUSTABOUT SERVICE |
| 1389-9918 | RUNNING CUTTING AND PULLING CASINGS TUBES AND RODS |
| 1389-9919 | SERVICING OIL AND GAS WELLS |
| 1389-9920 | WELL LOGGING |
