Chemical Manufacturing in Illinois

NAICS 325 · IL

Illinois is home to Chemical Manufacturing, industry NAICS code 325. The Bureau of Labor Statistics counted 1,307 establishments in Illinois in 2024, with an annual payroll of about $7.3 billion. Listed in the register are 1,293 facilities across 336 cities in Illinois.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Plants in Illinois1,293 FACILITIES

Facility	City	Employees	Status
Hudson Technologies CO	Champaign	—	◐ LIKELY ACTIVE
ISIneos Styrolution America LLC	Channahon	—	◐ LIKELY ACTIVE
IGItw Global Safety	Elmhurst	20–99	◐ LIKELY ACTIVE
JHJm Huber CORP	Quincy	—	◐ LIKELY ACTIVE
LILa-co Industries INC	Elk Grove Village	—	◐ LIKELY ACTIVE
LBLeica Biosystems Richmond, INC.	Richmond	—	◐ LIKELY ACTIVE
LCLuminex CORP	Northbrook	—	◐ LIKELY ACTIVE
MEMarquis Energy - Hennepin	Hennepin	—	◐ LIKELY ACTIVE
MEMarquis Extraction Technology LLC	Hennepin	20–99	◐ LIKELY ACTIVE
MLMesser LLC	Pekin	—	◐ LIKELY ACTIVE
NTNanophase Technologies Corporation	Bolingbrook	100–499	◐ LIKELY ACTIVE
NANufarm Americas INC	Chicago Heights	—	◐ LIKELY ACTIVE
PIPetroferm INC. Gurnee Plant Site	Gurnee	—	◐ LIKELY ACTIVE
PCPlz CORP	Coal City	100–499	◐ LIKELY ACTIVE
PPPrecision Products INC	Lincoln	100–499	◐ LIKELY ACTIVE
RDReg Danville LLC	Danville	—	◐ LIKELY ACTIVE
RCReichhold Chemicals INC	Morris	—	◐ LIKELY ACTIVE
RERentech Energy Midwest CORP	East Dubuque	—	◐ LIKELY ACTIVE
RIRiverdale Industries LLC	Riverdale	20–99	◐ LIKELY ACTIVE
RHRohm & Haas Chemical LLC	Kankakee	—	◐ LIKELY ACTIVE
SSSafety-kleen Systems INC	Dolton	—	◐ LIKELY ACTIVE
SOSeymour of Sycamore	Sycamore	100–499	◐ LIKELY ACTIVE
SCSika CORP	Aurora	—	◐ LIKELY ACTIVE
SMStellar Manufacturing LLC	Sauget	100–499	◐ LIKELY ACTIVE
SCStepan Company	Elwood	—	◐ LIKELY ACTIVE
Sun Chemical CORP	Kankakee	—	◐ LIKELY ACTIVE
Sun Chemical CORP	Northlake	—	◐ LIKELY ACTIVE
Sun Chemical CORP	Saint Charles	—	◐ LIKELY ACTIVE
TPTakeda Pharmaceuticals	Round Lake	500+	◐ LIKELY ACTIVE
VCVertex Chemical CORP	Dupo	—	◐ LIKELY ACTIVE
VIVvf Illinois Services LLC	Montgomery	100–499	◐ LIKELY ACTIVE
WPWeiman Products LLC	Gurnee	100–499	◐ LIKELY ACTIVE
WPWilliams-hayward Protective Coatings INC	Bedford Park	—	◐ LIKELY ACTIVE
AAAkzonobel Aerospace Coating	Waukegan	—	◐ LIKELY ACTIVE
ACArkema Coating Resins	Alsip	—	◐ LIKELY ACTIVE
DWDanville Works	Danville	—	◐ LIKELY ACTIVE
DCDiagaph/itw CO	Marion	—	◐ LIKELY ACTIVE
DCDiversified Cpc International,inc	Channahon	—	◐ LIKELY ACTIVE
DEDupont El Paso Plant	El Paso	—	◐ LIKELY ACTIVE
DIDynachem INC	Georgetown	—	◐ LIKELY ACTIVE
EPEngineered Polymer Solutions, INC. - Marengo	Marengo	—	◐ LIKELY ACTIVE
FHFlint Hills Resources Joliet, LLC	Channahon	—	◐ LIKELY ACTIVE
General Chemical Corporation - E. St. Louis Works	East Saint Louis	—	◐ LIKELY ACTIVE
HIHa International LLC	Oregon	—	◐ LIKELY ACTIVE
HFHb Fuller CO	Morris	—	◐ LIKELY ACTIVE
HCH-o-h Chemicals INC	Palatine	—	◐ LIKELY ACTIVE
KLKensing LLC	Kankakee	—	◐ LIKELY ACTIVE
KCKns Companies INC	Carol Stream	—	◐ LIKELY ACTIVE
MCMapei Corporation	West Chicago	—	◐ LIKELY ACTIVE
NCNalco Chemical Company	Bedford Park	—	◐ LIKELY ACTIVE

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