Industry Description
Establishments primarily engaged in drilling wells for oil or gas field operations for others on a contract or fee basis. This industry includes contractors that specialize in spudding in, drilling in, redrilling, and directional drilling.
Business Examples
Common types of business activities within US SIC 1381 - Drilling Oil and Gas Wells are:
- Directional drilling of oil and gas wells on a contract basis
- Redrilling oil and gas wells on a contract basis
- Reworking oil and gas wells on a contract basis
- Spudding in oil and gas wells on a contract basis
- Well drilling gas, oil, and water intake: on a contract basis
IBISWorld Industry Research Report
Oil & Gas Field Services in the US (21311)
Revenue 2025
$109.8bn
Growth 2025
-5.14%
Key Trends
Profit has benefited from increased demand for drilling and support services
Unstable commodity prices have led upstream oil and gas producers to constantly reevaluate demand for outsourced services
IBISWorld anticipates tighter regulations to emerge concerning unconventional oil and gas extraction techniques
Products and Services
US-SIC Hierarchy 1381 - Drilling Oil and Gas Wells
US-SIC Code 1381 - Drilling Oil and Gas Wells sits in the 2-digit Drilling Oil and Gas Wells 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
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101 Iron Ores
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102 Copper Ores
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103 Lead and Zinc Ores
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104 Gold and Silver Ores
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106 Ferroalloy Ores, Except Vanadium
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108 Metal Mining Services
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109 Miscellaneous Metal Ores
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122 Bituminous Coal and Lignite Mining
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123 Anthracite Mining
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124 Coal Mining Services
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131 Crude Petroleum and Natural Gas
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132 Natural Gas Liquids
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138 Oil and Gas Field Services
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141 Dimension Stone
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142 Crushed and Broken Stone, Including Riprap
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144 Sand and Gravel
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145 Clay, Ceramic, and Refractory Minerals
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147 Chemical and Fertilizer Mineral Mining
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148 Nonmetallic Minerals Services, Except Fuels
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149 Miscellaneous Nonmetallic Minerals, Except
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Extended US-SIC Hierarchy for 1381 - Drilling Oil and Gas Wells
For business marketing and targeting, US SIC Codes have been extended to provide more specific classifications within US-SIC 1381 - Drilling Oil and Gas Wells. Extended US SIC Codes are being continuously updated to reflect the current business environment.
6 Digit SIC Codes
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138101 Contractors-oil field
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138102 Oil well drilling
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138103 Gas well drilling
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138104 Oil well directional drilling
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138105 Drilling-diamond core
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138107 Drilling companies
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138198 Drilling-oil & gas wells
8 Digit SIC Codes
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13810000 Drilling oil and gas wells
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13819900 Drilling oil and gas wells, nec
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13819901 Directional drilling oil and gas wells
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13819902 Drilling water intake wells
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13819903 Redrilling oil and gas wells
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13819904 Reworking oil and gas wells
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13819905 Service well drilling
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13819906 Spudding in oil and gas wells
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