Support Activities for Oil and Gas Operations
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.
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What is SBA Size Standard?
The maximum annual revenue a business can have to qualify as a "small business" for federal contracting and SBA loan programs.
Example Companies
- ●Halliburton- Oilfield services
- ●Schlumberger- Oilfield services
- ●Baker Hughes- Energy technology
This Code is NOT For...
NAICS 213112 does not cover the following activities. Use the correct code instead:
Contract drilling for oil and gas
Performing geophysical surveying and mapping services for oil and gas on a contract or fee basis
Oil and gas pipeline and related structures construction and repair
Inspecting pipelines (i.e., visual)
Site preparation and related construction activities on a contract or fee basis
Mining machinery and equipment repair and maintenance
+ 1 more exclusions for this code
Frequently Asked Questions
Yes. Most businesses operate under several NAICS codes. Your primary code should reflect your main source of revenue. You can list secondary codes for other business activities when registering with government agencies or applying for contracts.
Choose the NAICS code that represents your largest revenue source as your primary code. You can add secondary codes for other activities. For example, a restaurant that also offers catering would use Full-Service Restaurants as the primary code and Caterers as a secondary code.
NAICS codes do not directly determine your tax obligations. However, certain tax credits, deductions, and industry-specific regulations may reference NAICS codes to determine eligibility. Your actual tax liability depends on your business structure and activities, not your classification code.
No. The NAICS code on your EIN application is for statistical purposes only. You can update it if your business activities change. The IRS uses this information for economic analysis, not for determining your tax treatment.
You can update your NAICS code when filing your next business tax return or by contacting the IRS. For government contracts, update your code in SAM.gov. There is no penalty for changing codes as your business evolves or if you selected the wrong code initially.