# NAICS 211: Oil and Gas Extraction

No SBA size standard is recorded for NAICS 211.

| Field | Value |
| --- | --- |
| Code | 211 |
| Title | Oil and Gas Extraction |
| Level | 3 |
| Parent | 21 |
| Size standard | - |
| Footnote | - |

## Description

Industries in the Oil and Gas Extraction subsector operate and/or develop oil and gas field properties. Operation and development activities include exploration for crude petroleum and natural gas; drilling, completing, and equipping wells; operating separators, emulsion breakers, desilting equipment, and field gathering lines for crude petroleum and natural gas; and all other activities in the preparation of oil and gas up to the point of shipment from the producing property. This subsector includes the production of crude petroleum, the mining and extraction of oil from oil shale and oil san

## Sources

- Census NAICS: https://www.census.gov/naics/
- SBA size standards: https://www.sba.gov/document/support-table-size-standards

## API and MCP

- REST: GET https://samgovapi.io/api/v1/naics/211/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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