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TRI National Analysis
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Manufacturing Sectors

This section examines how TRI chemical wastes are managed in the manufacturing sectors (defined as facilities reporting their primary NAICS codes as 31-33).

TRI Manufacturing Sector

This map shows the locations of the manufacturing facilities that reported to TRI for 2020, sized by their relative releases. Click on a facility for details on its TRI reporting.

Manufacturing Facilities Reporting to TRI, 2020
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For 2020, nearly 90% of the facilities that reported to TRI were in a manufacturing sector. Manufacturing sectors accounted for most (89%) of the 28.3 billion pounds of production-related waste managed for 2020. Two subsectors of manufacturing, chemical manufacturing and cement manufacturing, are highlighted in more detail later in this section.

The TRI-covered industry sectors not categorized under manufacturing include metal mining, coal mining, electric utilities, chemical wholesalers, petroleum terminals, hazardous waste management, and others.


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This page was published in March 2022 and uses the 2020 TRI National Analysis dataset made public in TRI Explorer in October 2021.

  • TRI Program Home
  • TRI National Analysis Home
  • Introduction
  • Pollution Prevention & Waste Management
  • Releases of Chemicals
  • Industry Sectors
    • Manufacturing Sectors
      • Manufacturing Waste Management Trend
    • Chemical Manufacturing
    • Cement Manufacturing
    • Metal Mining
    • Electric Utilities
    • Federal Facilities
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  • Past National Analyses
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 2, 2022
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