North American Industry Classification System (NAICS) code 324110 is used by federal buyers for market research, set-aside size standards, and reporting. Official titles come from the Census Bureau NAICS structure.
Official definition
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.
- Official title
- Petroleum Refineries
- Code level
- 6
- Parent industry
- Petroleum Refineries 32411
- Open opportunities
- 11 open · 196 active
SBA small-business size standard
1,500 employees
Employee-count basis · Special exception text applies
Check this standard and its exceptionsExcluded or separately classified activities
Official Census cross-references identify activities that belong under another North American Industry Classification System (NAICS) code.
Blending or compounding refined petroleum to make lubricating oils and greases and/or re-refining used petroleum lubricating oils--are classified in U.S. Industry 324191, Petroleum Lubricating Oil and Grease Manufacturing;
Manufacturing acyclic and cyclic aromatic hydrocarbons (i.e., petrochemicals) from refined petroleum or liquid hydrocarbons--are classified in Industry 325110, Petrochemical Manufacturing;
Manufacturing asphalt paving, roofing, and saturated materials from refined petroleum--are classified in Industry 32412, Asphalt Paving, Roofing, and Saturated Materials Manufacturing;
Manufacturing biofuels blended with purchased refined petroleum--are classified in U.S. Industry 324199, All Other Petroleum and Coal Products Manufacturing;
Manufacturing biofuels not blended with refined petroleum--are classified in U.S. Industry 325199, All Other Basic Organic Chemical Manufacturing;
Manufacturing coke oven products in coke oven establishments--are classified in U.S. Industry 324199, All Other Petroleum and Coal Products Manufacturing.
Manufacturing coke oven products in steel mills--are classified in Industry 331110, Iron and Steel Mills and Ferroalloy Manufacturing; and
Manufacturing cyclic and acyclic chemicals (except petrochemicals)--are classified in Industry 32519, Other Basic Organic Chemical Manufacturing;
Manufacturing paper mats and felts and saturating them with asphalt or tar into rolls and sheets--are classified in Industry 322120, Paper Mills;
Manufacturing synthetic lubricating oils and greases--are classified in U.S. Industry 325998, All Other Miscellaneous Chemical Product and Preparation Manufacturing;
Recovering natural gasoline and/or liquid hydrocarbons from oil and gas field gases--are classified in Industry 211130, Natural Gas Extraction;
Source and edition
2022 NAICS Manual definition and reference material from the U.S. Census Bureau.