Chemical manufacturers in Illinois
Illinois has 434 chemical makers in EPA records, facilities that list codes for basic, organic and specialty chemicals, resins and rubber. The most are in Chicago, West Chicago and Joliet. That is 5% of the 8,779 such facilities nationwide, and Illinois ranks #3 of 51 states.
- Product
- Chemical manufacturers
- Facilities
- 434
- State rank
- #3
- NAICS
- 325110 and 15 related codes
- Revised
- November 1, 2026
Facilities in Illinois
These are active facilities in EPA's ECHO database that list a code for basic, organic and specialty chemicals, resins and rubber. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.
| Facility | City | What EPA lists |
|---|---|---|
| Nouryon Surface Chemistry LLC | Morris | Petrochemical Manufacturing |
| Cabot Corporation | Tuscola | Other Basic Inorganic Chemical Manufacturing |
| Equistar Chemicals, LP - Morris Plant | Morris | Petrochemical Manufacturing |
| Evonik Corporation | Mapleton | All Other Basic Organic Chemical Manufacturing |
| Green Plains Madison LLC | Madison | Ethyl Alcohol Manufacturing |
| Marquis Energy - Hennepin | Hennepin | Ethyl Alcohol Manufacturing |
| Stepan Company | Elwood | Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing |
| Abbott Laboratories - N. Chicago Fac. | North Chicago | Industrial Gas Manufacturing |
| Adkins Energy, LLC | Lena | Ethyl Alcohol Manufacturing |
| Williams Ethanol Services, Inc. | Pekin | Ethyl Alcohol Manufacturing |
| 3M Cordova | Cordova | Industrial Gas Manufacturing |
| Allnex USA Inc | East St. Louis | Plastics Material and Resin Manufacturing |
| Sabic Innovative Plastics US LLC | Ottawa | Plastics Material and Resin Manufacturing |
| Big River Resources Galva, LLC | Galva | Ethyl Alcohol Manufacturing |
| Biourja Renewables, LLC | Peoria | Ethyl Alcohol Manufacturing |
| Chs Annawan - Test Well Construction | Annawan | Ethyl Alcohol Manufacturing |
| Chs-Rochelle | Rochelle | Ethyl Alcohol Manufacturing |
| Flint Hills Resources Joliet, LLC | Channahon | Petrochemical Manufacturing |
| Koppers Inc | Cicero | Petrochemical Manufacturing |
| Lincolnland Agri-Energy LLC | Palestine | Ethyl Alcohol Manufacturing |
| Polyone Corporation | Henry | Plastics Material and Resin Manufacturing |
| Vantage Oleochemicals | Chicago | All Other Basic Organic Chemical Manufacturing |
| Wr Grace | Chicago | Other Basic Inorganic Chemical Manufacturing |
| Bostik Inc. -Calumet City, Il | Calumet City | Plastics Material and Resin Manufacturing |
| Celanese Ltd-Meredosia Facility | Meredosia | Plastics Material and Resin Manufacturing |
| Kensing LLC | Kankakee | All Other Basic Organic Chemical Manufacturing |
| One Earth Energy, LLC | Gibson City | Ethyl Alcohol Manufacturing |
| Aventine Renewable Energy | Canton | Ethyl Alcohol Manufacturing |
| Flexsys W.g. Krummrich Plant | Sauget | Other Basic Inorganic Chemical Manufacturing |
| Kik Custom Products | Danville | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Nalco Chemical Company | Bedford Park | Other Basic Inorganic Chemical Manufacturing |
| Diversified Cpc International,inc | Channahon | Industrial Gas Manufacturing |
| Epsilyte LLC | Peru | Plastics Material and Resin Manufacturing |
| Innophos Inc | Chicago Heights | Synthetic Dye and Pigment Manufacturing |
| Safety-Kleen Systems Inc | Dolton | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Buckeye Terminals LLC | Bedford Park | Plastics Material and Resin Manufacturing |
| Chase Products Co | Broadview | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Ha International LLC | Oregon | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Ineos Styrolution America LLC | Channahon | Plastics Material and Resin Manufacturing |
| Itw Specialty Films | Chicago Heights | Printing Ink Manufacturing |
Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.
Where they are
- Chicago: 38
- West Chicago: 12
- Joliet: 11
- Channahon: 9
- Morris: 8
- Sauget: 8
By product code
- Ethyl Alcohol Manufacturing (NAICS 325193): 11 of those shown
- Plastics Material and Resin Manufacturing (NAICS 325211): 8 of those shown
- Petrochemical Manufacturing (NAICS 325110): 4 of those shown
- Other Basic Inorganic Chemical Manufacturing (NAICS 325180): 4 of those shown
- All Other Miscellaneous Chemical Product and Preparation Manufacturing (NAICS 325998): 4 of those shown
- Industrial Gas Manufacturing (NAICS 325120): 3 of those shown
- All Other Basic Organic Chemical Manufacturing (NAICS 325199): 3 of those shown
- Synthetic Dye and Pigment Manufacturing (NAICS 325130): 1 of those shown
- Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing (NAICS 325194): 1 of those shown
- Printing Ink Manufacturing (NAICS 325910): 1 of those shown
All chemicals manufacturing in Illinois: 782 facilities and Census job counts.