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.

Cross-References. Establishments primarily engaged in--

Manufacturing asphalt paving, roofing, and saturated materials from refined petroleum--are classified in Industry 32412, Asphalt Paving, Roofing, and Saturated Materials Manufacturing;

Manufacturing paper mats and felts and saturating them with asphalt or tar into rolls and sheets--are classified in U.S. Industry 322121, Paper (except Newsprint) Mills;

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 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 21111, Oil and Gas Extraction;

Manufacturing acyclic and cyclic aromatic hydrocarbons (i.e., petrochemicals) from refined petroleum or liquid hydrocarbons--are classified in Industry 325110, Petrochemical Manufacturing;

Manufacturing cyclic and acyclic chemicals (except petrochemicals)--are classified in Industry 32519, Other Basic Organic Chemical Manufacturing;

Manufacturing coke oven products in steel mills--are classified in U.S. Industry 331111, Iron and Steel Mills; and

Manufacturing coke oven products in coke oven establishments--are classified in U.S. Industry, 324199, All Other Petroleum and Coal Products Manufacturing.