Manufacturing Sectors
This section examines how TRI chemical wastes are managed in manufacturing sectors (facilities reporting their primary NAICS codes as 31-33).
This map shows the locations of the manufacturing facilities that reported to TRI for 2023, sized by their releases. Click on a facility for details on its TRI reporting.
Manufacturing Facilities Reporting to TRI, 2023
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For 2023, 88% of the facilities that reported to TRI were in a manufacturing sector and manufacturing sectors accounted for 90% of the 34.6 billion pounds of waste managed. Three manufacturing sectors, chemical manufacturing, wood products manufacturing, and automotive manufacturing, are highlighted in more detail later in this section.
TRI-covered industry sectors not categorized under manufacturing include metal mining, electric utilities, hazardous waste management, and others.
This page was published in August 2025 and uses the 2023 TRI National Analysis dataset made public in TRI Explorer in October 2024.