213112 — Support Activities for Oil and Gas Operations
Description
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.
Overview Facts
| NAICS Code | 213112 |
|---|---|
| Industry Title | Support Activities for Oil and Gas Operations |
| SBA Size Standard | $47,000,000 |
| IRS PBA Code | 213110 (rolled-up match) |
| Sectors Hierarchy | Sector 21 → 213 → 2131 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 1382 - Oil and Gas Field Exploration Services (via SIC1987:1382→NAICS1997:213112→2002:213112→2007:213112→2012:213112→2017:213112→2022:213112)
- SIC 1389 - Oil and Gas Field Services, NEC (via SIC1987:1389→NAICS1997:213112→2002:213112→2007:213112→2012:213112→2017:213112→2022:213112)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 213112:
- Sector 21 Directory Hub — List of related industries in the Mining, Quarrying, and Oil and Gas Extraction sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 2131
Frequently Asked Questions (FAQ)
Is 213112 a valid 2022 NAICS code?
NAICS 213112 is 'Support Activities for Oil and Gas Operations', a 2022 U.S. national industry under Sector 21 (Mining, Quarrying, and Oil and Gas Extraction); the SBA small-business size standard is $47,000,000.
What is the SBA size standard for NAICS 213112?
The SBA small business size standard for NAICS 213112 is $47,000,000 (based on receipts).
What is the legacy SIC code mapping for 213112?
NAICS code 213112 maps to the legacy 1987 SIC codes: 1382 - Oil and Gas Field Exploration Services, 1389 - Oil and Gas Field Services, NEC.