NAICS 3 Digit Subsector Code 324

Subsector 324

NAICS Subsector Code 324 – Petroleum and Coal Products Manufacturing

Definition of NAICS 3 Digit Subsector Code 324: The Petroleum and Coal Products Manufacturing subsector is based on the transformation of crude petroleum and coal into usable products. The dominant process is petroleum refining that involves the separation of crude petroleum into component products through such techniques as cracking and distillation.

In addition, this subsector includes establishments that primarily further process refined petroleum and coal products and produce products, such as asphalt coatings and petroleum lubricating oils. However, establishments that manufacture petrochemicals from refined petroleum are classified in Industry 32511, Petrochemical Manufacturing.

Three Digit Subsector Breakdown for the North American Industry Classification System

NAICS codes are broken down by digit. The broadest description starts with the 2 digit sector codes. The 3 digit subsector codes are more specific, then the 4 digit industry group, 5 digit industry, and the most specific is the 6 digit NAICS code. If NAICS Subsector 324 does not describe the industry of the business in question, then select the largest applicable code below. From there, follow the progression of smaller digits to the larger digits in order to obtain the most specific 6 digit classification.

  • Sector 31-33: Manufacturing
    • Subsector 324: Petroleum and Coal Products Manufacturing
      • Industry Group 3241: Petroleum and Coal Products Manufacturing
        • Industry 32411: Petroleum Refineries
          • 6 Digit Code(s) 324110: Petroleum Refineries
        • Industry 32412: Asphalt Paving, Roofing, and Saturated Materials Manufacturing
          • 6 Digit Code(s) NAICS 324121: Asphalt Paving Mixture and Block Manufacturing
          • 6 Digit Code(s) NAICS 324122: Asphalt Shingle and Coating Materials Manufacturing
        • Industry 32419: Other Petroleum and Coal Products Manufacturing
          • 6 Digit Code(s) NAICS 324191: Petroleum Lubricating Oil and Grease Manufacturing
          • 6 Digit Code(s) NAICS 324199: All Other Petroleum and Coal Products Manufacturing

Other helpful NAICS Downloads

View the download page for the material below.

NAICS 3 Digit Subsector Code 324