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US Standard Industrial Classification (SIC) Code Lookup

Division: B - Mining

US-SIC Code 1311 - Crude Petroleum and Natural Gas

Industry Description

Establishments primarily engaged in operating oil and gas field properties. Such activities may include exploration for crude petroleum and natural gas; drilling, completing, and equipping wells; operation of separators, emulsion breakers, desilting equipment, and field gathering lines for crude petroleum; and all other activities in the preparation of oil and gas up to the point of shipment from the producing property. This industry includes the production of oil through the mining and extraction of oil from oil shale and oil sands and the production of gas and hydrocarbon liquids through gasification, liquid faction, and pyrolysis of coal at the mine site. Also included are establishments which have complete responsibility for operating oil and gas wells for others on a contract or fee basis. Establishments primarily engaged in performing oil field services for operators on a contract or fee basis are classified in Industry Group 138.

Business Examples

Common types of business activities within US SIC 1311 - Crude Petroleum and Natural Gas are:

  • Coal gasification at the mine site
  • Coal liquefaction at the mine site
  • Coal pyrolysis at the mine site
  • Crude oil production
  • Crude petroleum production
  • Kerogen processing
  • Natural gas production
  • Oil sand mining
  • Oil shale mining
  • Tar sands mining

IBISWorld Industry Research Report

Oil Drilling & Gas Extraction in the US (21111)

Revenue 2025

$484.6bn

Growth 2025

-0.86%

Key Trends

  • Profit has exhibited significant fluctuations throughout the period

  • Industry operators have required additional capacity to transport crude products

  • Pent-up demand will likely drive industry revenue

Products and Services

US-SIC Hierarchy 1311 - Crude Petroleum and Natural Gas

US-SIC Code 1311 - Crude Petroleum and Natural Gas sits in the 2-digit Crude Petroleum and Natural Gas sector. US SIC codes can be 2 to 8 digits and the further along the hierarchy, the more detailed and specific the category will be.

Division: B

Division Title: Mining

2 Digits 3 Digits 4 Digits

Extended US-SIC Hierarchy for 1311 - Crude Petroleum and Natural Gas

For business marketing and targeting, US SIC Codes have been extended to provide more specific classifications within US-SIC 1311 - Crude Petroleum and Natural Gas. Extended US SIC Codes are being continuously updated to reflect the current business environment.

6 Digit SIC Codes

  • 131101 Oil & gas producers
  • 131102 Gas boosters
  • 131103 Oil companies
  • 131104 Oil & gas-production
  • 131105 Oil operators
  • 131106 Oil crude

8 Digit SIC Codes

  • 13110000 Crude petroleum and natural gas
  • 13110100 Crude petroleum and natural gas production
  • 13110101 Crude petroleum production
  • 13110102 Natural gas production
  • 13110200 Gas and hydrocarbon liquefaction from coal
  • 13110201 Coal gasification
  • 13110202 Coal liquefaction
  • 13110203 Coal pyrolysis
  • 13110300 Sand and shale oil mining
  • 13110301 Oil sand mining
  • 13110302 Oil shale mining
  • 13110303 Tar sands mining

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US SIC Code Directory

Each US SIC Code is part of a Division, which corresponds with a numerical range. Select a Division category from the table below, then drill down to discover the industries within that Division.

Division US-SIC Code Sector title
A 01-09 Agriculture, Forestry, and Fishing
B 10-14 Mining
C 15-17 Construction
D 20-39 Manufacturing
E 40-49 Transportation, Communications, Electric, Gas, and Sanitary Services
F 50-51 Wholesale Trade
G 52-59 Retail Trade
H 60-67 Finance, Insurance, and Real Estate
I 70-89 Services
J 90-99 Public Administration

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