Major Group: 29—Petroleum Refining And Related Industries
This major group includes establishments primarily engaged in petroleum refining, manufacturing paving and roofing materials, and compounding lubricating oils and greases from purchased materials. Establishments manufacturing and distributing gas to consumers are classified in public utilities industries, and those primarily engaged in producing coke and by-products are classified in Major Group 33.
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Industry Group 291: Petroleum Refining
Industry Group 295: Asphalt Paving And Roofing Materials
Industry Group 299: Miscellaneous Products Of Petroleum And Coal