An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Chemical Data Reporting

Industrial Sectors Subject to Chemical Data Reporting

Below is a list of Industrial Sector (IS) Codes and descriptions included in the Chemical Data Reporting effort. EPA replaced the 5-digit North America Industrial Classification System (NAICS) codes with the following 48 Industrial Sector (IS) codes describing industrial activities.

EPA provides a listing of the corresponding NAICS and IS codes, so that if you know the NAICS code, you can easily identify the IS code: Replacement of 5-digit NAICS Codes with Industrial Sector Codes

Code Sector Description
IS1 Agriculture, forestry, fishing and hunting
IS2 Oil and gas drilling, extraction, and support activities
IS3 Mining (except oil and gas) and support activities
IS4 Utilities
IS5 Construction
IS6 Food, beverage, and tobacco product manufacturing
IS7 Textiles, apparel, and leather manufacturing
IS8 Wood product manufacturing
IS9 Paper manufacturing
IS10 Printing and related support activities
IS11 Petroleum refineries
IS12 Asphalt paving, roofing, and coating materials manufacturing
IS13 Petroleum lubricating oil and grease manufacturing
IS14 All other petroleum and coal products manufacturing
IS15 Petrochemical manufacturing
IS16 Industrial gas manufacturing
IS17 Synthetic dye and pigment manufacturing
IS18 Carbon black manufacturing
IS19 All other basic inorganic chemical manufacturing
IS20 Cyclic crude and intermediate manufacturing
IS21 All other basic organic chemical manufacturing
IS22 Plastic material and resin manufacturing
IS23 Synthetic rubber manufacturing
IS24 Organic fiber manufacturing
IS25 Pesticide, fertilizer, and other agricultural chemical manufacturing
IS26 Pharmaceutical and medicine manufacturing
IS27 Paint and coating manufacturing
IS28 Adhesive manufacturing
IS29 Soap, cleaning compound, and toilet preparation manufacturing
IS30 Printing ink manufacturing
IS31 Explosives manufacturing
IS32 Custom compounding of purchased resin
IS33 Photographic film paper, plate, and chemical manufacturing
IS34 All other chemical product and preparation manufacturing
IS35 Plastics product manufacturing
IS36 Rubber product manufacturing
IS37 Nonmetallic mineral product manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other nonmetallic mineral product manufacturing.
IS38; Primary metal manufacturing
IS39 Fabricated metal product manufacturing
IS40 Machinery manufacturing
IS41 Computer and electronic product manufacturing
IS42 Electrical equipment, appliance, and component manufacturing
IS43 Transportation equipment manufacturing
IS44 Furniture and related product manufacturing
IS45 Miscellaneous manufacturing
IS46 Wholesale and retail trade
IS47 Services
IS48 Other (requires additional information)

Top of Page