213112 Support Activities for Oil and Gas Operations

Official definition

This U.S. industry comprises establishments primarily engaged in performing support activities, on a contract or fee basis, for oil and gas operations (except geophysical surveying and mapping, site preparation, construction, and transportation activities). Services included are exploration; excavating slush pits and cellars, well surveying; running, cutting, and pulling casings, tubes, and rods; cementing wells, shooting wells; perforating well casings; acidizing and chemically treating wells; and cleaning out, bailing, and swabbing wells.

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

• Contract drilling for oil and gas are classified in U.S. Industry 213111, Drilling Oil and Gas Wells.
• Operating oil and gas field properties on a contract or fee basis are classified in Industry Group 2111, Oil and Gas Extraction.
• Performing geophysical surveying and mapping services for oil and gas on a contract or fee basis are classified in Industry 541360, Geophysical Surveying and Mapping Services.
• Oil and gas pipeline and related structures construction and repair are classified in Industry 237120, Oil and Gas Pipeline and Related Structures Construction.
• Inspecting pipelines (i.e., visual) are classified in Industry 541990, All Other Professional, Scientific, and Technical Services.
• Site preparation and related construction activities on a contract or fee basis are classified in Industry 238910, Site Preparation Contractors.
• Mining machinery and equipment repair and maintenance are classified in Industry 811310, Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance.
• Providing transportation activities on a contract or fee basis are classified in Sector 48-49, Transportation and Warehousing, based on the primary activity.
• Providing landman services on a contract or fee basis are classified in Industry 531390, Other Activities Related to Real Estate.

Source: US Census Bureau, 2022 NAICS cross-references.

Activities listed under 213112

The Census index assigns these 70 activities to this code. If your business matches one, this is your code.

• Acidizing oil and gas field wells on a contract basis
• Building oil and gas well foundations on a contract basis
• Building, erecting, repairing, and dismantling oil and gas field rigs and derricks on a contract basis
• Cementing oil and gas well casings on a contract basis
• Chemically treating oil and gas wells (e.g., acidizing, bailing, swabbing) on a contract basis
• Cleaning oil and gas field lease tanks on a contract basis
• Cleaning out (e.g., bailing out, steam cleaning, swabbing) wells on a contract basis
• Cleaning wells on a contract basis
• Cleaning, repairing, and dismantling oil and gas field lease tanks on a contract basis
• Contract services (except geophysical surveying and mapping, site preparation, construction, and transportation activities) for oil and gas fields
• Core cutting in oil and gas wells, on a contract basis
• Core drilling, exploration services, oil and gas field
• Cutting cores in oil and gas wells on a contract basis
• Derrick building, repairing, and dismantling at oil and gas fields on a contract basis
• Dismantling of oil well rigs on a contract basis
• Drilling rat holes and mouse holes at oil and gas fields on a contract basis
• Drilling shot holes at oil and gas fields on a contract basis
• Drilling site preparation at oil and gas fields on a contract basis
• Drill-stem testing in oil, gas, dry, and service well drilling on a contract basis
• Excavating mud pits, slush pits, and cellars at oil and gas fields on a contract basis
• Exploration services for oil and gas (except geophysical surveying and mapping) on a contract basis
• Fishing for tools at oil and gas fields on a contract basis
• Gas well rig building, repairing, and dismantling on a contract basis
• Gas, compressing natural, in the field on a contract basis
• Geological exploration (except surveying) for oil and gas on a contract basis
• Geophysical exploration (except surveying) for oil and gas on a contract basis
• Hard banding oil and gas field service on a contract basis
• Hot oil treating of oil field tanks on a contract basis
• Hot shot oil field services (on- and off-road) on a contract basis
• Hydraulic fracturing wells on a contract basis
• Impounding and storing salt water in connection with petroleum production
• Installing production equipment at the oil or gas field on a contract basis
• Lease tank cleaning and repairing on a contract basis
• Logging wells on a contract basis
• Mouse hole and rat hole drilling at oil and gas fields on a contract basis
• Mud service for oil field drilling on a contract basis
• Oil and gas field services on a contract basis (except geophysical surveying and mapping, site preparation, construction, and transportation activities)
• Oil field exploration (except surveying) on a contract basis
• Oil sampling services on a contract basis
• Oil well logging on a contract basis
• Oil well rig building, repairing, and dismantling, on a contract basis
• Operating condensate gasoline field gathering lines on a contract basis
• Paraffin services, oil and gas field, on a contract basis
• Perforating oil and gas well casings on a contract basis
• Pipe testing services, oil and gas field, on a contract basis
• Plugging and abandoning wells on a contract basis
• Preparation of oil and gas field drilling sites (except site preparation and related construction contractor activities) on a contract basis
• Pulling oil and gas field casings, tubes, or rods on a contract basis
• Pumping oil and gas wells on a contract basis
• Rathole and mousehole drilling at oil and gas fields on a contract basis
• Rig skidding, oil and gas field, on a contract basis
• Roustabout mining services, on a contract basis
• Salt water disposal systems, oil and gas field, on a contract basis
• Sandblasting pipelines on lease, oil and gas field, on a contract basis
• Seismograph exploration (except surveying) for oil and gas on a contract basis
• Servicing oil and gas wells on a contract basis
• Shot hole drilling, oil and gas field, on a contract basis
• Skidding of rigs, oil and gas field, on a contract basis
• Slush pits and cellars, excavation of, on a contract basis
• Steam cleaning oil and gas wells on a contract basis
• Stratigraphic drilling, oil and gas field exploration on a contract basis
• Surveying (except seismographic) oil or gas wells on a contract basis
• Swabbing oil or gas wells on a contract basis
• Well casing running, cutting and pulling, oil and gas field on a contract basis
• Well logging, oil and gas field, on a contract basis
• Well plugging, oil and gas field, on a contract basis
• Well pumping, oil and gas field, on a contract basis
• Well servicing, oil and gas field, on a contract basis
• Well surveying, oil and gas field, on a contract basis
• Wireline services, oil and gas field, on a contract basis

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 213112

To count as a small business for SBA loans and federal contracts under NAICS 213112, your business (including affiliates) must not exceed $47 million in average annual receipts. Check your business.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 0910), so treat them as a starting point and check the definition.

• 09100Support activities for petroleum and natural gas extractionUK SIC

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.

Similar codes to compare

• 213111Drilling Oil and Gas Wells
• 213113Support Activities for Coal Mining
• 213114Support Activities for Metal Mining
• 213115Support Activities for Nonmetallic Minerals (except Fuels) Mining