# NAICS 324110: Petroleum Refineries

The SBA size standard for NAICS 324110 is 1,500 employees (13 CFR 121.201).

| Field | Value |
| --- | --- |
| Code | 324110 |
| Title | Petroleum Refineries |
| Level | 6 |
| Parent | 32411 |
| Size standard | 1,500 employees |
| Footnote | Footnote 4: NAICS code 324110 —To qualify as small for purposes of Government procurement, the petroleum refiner, including its affiliates, must be a concern that has either no more than 1,500 employees or no more than 200,000 barrels per calendar day total Operable Atmospheric Crude Oil Distillation capacity. Capacity includes all domestic and foreign affiliates, all owned or leased facilities, and all facilities under a processing agreement or an arrangement such as an exchange agreement or a throughput. To qualify under the capacity size standard, the firm, together with its affiliates, must be primarily engaged in refining crude petroleum into refined petroleum products. A firm's “primary industry”  |

## Description

This industry comprises establishments primarily engaged in refining crude petroleum into refined petroleum. Petroleum refining involves one or more of the following activities: (1) fractionation; (2) straight distillation of crude oil; and (3) cracking.

## 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/324110/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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