Manufacturing › Petroleum and Coal Products Manufacturing › Petroleum and Coal Products Manufacturing
Sector
Manufacturing
Subsector
Petroleum and Coal Products Manufacturing
Industry Group
Petroleum and Coal Products Manufacturing
National Industry (This Code)
Petroleum Refineries
Source: U.S. Census Bureau 2022 NAICS
Based on SBA Table of Small Business Size Standards (2024)
Size Standard
1,500 employees
Measurement Period
Current count
Standard Type
Employee-Based
Applies To
All contracts under NAICS 324110
Set-Aside Programs
8(a), WOSB, HUBZone, SDVOSB
Certification Required
No (self-certify in SAM.gov)
Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.
The following activities are classified elsewhere in the NAICS system:
NAICS code 324110 — Petroleum Refineries — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Petroleum and Coal Products Manufacturing space will be able to find your business.
If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 1,500 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 324110.
NAICS code 324110 is 'Petroleum Refineries', classified under the Manufacturing sector (NAICS 32). 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
The SBA defines a small business under NAICS code 324110 (Petroleum Refineries) as one with 1,500 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.
To register NAICS code 324110 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 324110 (Petroleum Refineries) to your NAICS code list. You may designate one code as your Primary NAICS code.
Other codes in Petroleum and Coal Products Manufacturing
PSC codes commonly used with this NAICS sector
Source: GSA PSC Manual April 2025
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