Chemicals manufacturers in Illinois
Illinois has 665 chemicals establishments employing 40,553 people (Census, 2023), and EPA's ECHO database lists 782 active chemicals facilities in the state. By employment it is Illinois's number 6 manufacturing industry, and Illinois ranks number 7 among states for it.
- NAICS subsector
- 325
- Chemical Manufacturing
- Establishments
- 665
- Census 2023
- Employees
- 40,553
- Census 2023
- In EPA records
- 782
- With a page here
- 30
- Revised
- November 11, 2026
Chemicals factories with a page
| Facility | What it makes (NAICS) | City |
|---|---|---|
| 3M Cordova | All Other Miscellaneous Chemical Product and Preparation Manufacturing | Cordova |
| Abbott Laboratories - N. Chicago Fac. | Pharmaceutical Preparation Manufacturing | North Chicago |
| Adkins Energy, LLC | Ethyl Alcohol Manufacturing | Lena |
| Akzonobel Aerospace Coating | Paint and Coating Manufacturing | Waukegan |
| Allnex USA Inc | Plastics Material and Resin Manufacturing | East St. Louis |
| Aventine Renewable Energy | Ethyl Alcohol Manufacturing | Canton |
| Big River Resources Galva, LLC | Ethyl Alcohol Manufacturing | Galva |
| Biourja Renewables, LLC | Ethyl Alcohol Manufacturing | Peoria |
| Bostik Inc. -Calumet City, Il | Plastics Material and Resin Manufacturing | Calumet City |
| Cabot Corporation | Other Basic Inorganic Chemical Manufacturing | Tuscola |
| Celanese Ltd-Meredosia Facility | Plastics Material and Resin Manufacturing | Meredosia |
| Chs Annawan - Test Well Construction | Ethyl Alcohol Manufacturing | Annawan |
| Chs-Rochelle | Ethyl Alcohol Manufacturing | Rochelle |
| Equistar Chemicals, LP - Morris Plant | Plastics Material and Resin Manufacturing | Morris |
| Evonik Corporation | All Other Basic Organic Chemical Manufacturing | Mapleton |
| Flint Hills Resources Joliet, LLC | Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | Channahon |
| Green Plains Madison LLC | Ethyl Alcohol Manufacturing | Madison |
| Kensing LLC | Plastics Material and Resin Manufacturing | Kankakee |
| Koppers Inc | 325192 | Cicero |
| Lincolnland Agri-Energy LLC | Ethyl Alcohol Manufacturing | Palestine |
| Marquis Energy - Hennepin | Ethyl Alcohol Manufacturing | Hennepin |
| Nouryon Surface Chemistry LLC | Surface Active Agent Manufacturing | Morris |
| One Earth Energy, LLC | Ethyl Alcohol Manufacturing | Gibson City |
| Polyone Corporation | Plastics Material and Resin Manufacturing | Henry |
| Rentech Energy Midwest Corp | Nitrogenous Fertilizer Manufacturing | East Dubuque |
| Sabic Innovative Plastics US LLC | Plastics Material and Resin Manufacturing | Ottawa |
| Stepan Company | Surface Active Agent Manufacturing | Elwood |
| Vantage Oleochemicals | All Other Basic Organic Chemical Manufacturing | Chicago |
| Williams Ethanol Services, Inc. | Ethyl Alcohol Manufacturing | Pekin |
| Wr Grace | Other Basic Inorganic Chemical Manufacturing | Chicago |
These are the Illinois chemicals facilities that report to EPA's Toxics Release Inventory. The other 752 in EPA records don't have a page yet.
What these factories make
- Ethyl Alcohol Manufacturing (NAICS 325193): 13 facilities
- Plastics Material and Resin Manufacturing (NAICS 325211): 11 facilities
- All Other Miscellaneous Chemical Product and Preparation Manufacturing (NAICS 325998): 10 facilities
- All Other Basic Organic Chemical Manufacturing (NAICS 325199): 9 facilities
- Petrochemical Manufacturing (NAICS 325110): 4 facilities
- Surface Active Agent Manufacturing (NAICS 325613): 4 facilities
- Synthetic Dye and Pigment Manufacturing (NAICS 325130): 3 facilities
- Soap and Other Detergent Manufacturing (NAICS 325611): 3 facilities
- Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing (NAICS 325194): 3 facilities
- Industrial Gas Manufacturing (NAICS 325120): 2 facilities
Where they cluster
Cities with the most active chemicals facilities in EPA records: Chicago (71), Waukegan (17), Elk Grove Village (16), Joliet (16), Rockford (15).
Chemicals manufacturing across the US. Everything made in Illinois.