Chemical Manufacturing in Wisconsin

NAICS 325 · WI

Wisconsin is home to Chemical Manufacturing, industry NAICS code 325. The Bureau of Labor Statistics counted 359 establishments in Wisconsin in 2024, with an annual payroll of about $2.0 billion. Listed in the register are 556 facilities, and 3 were first seen this year.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Milwaukee85 Dane74 Waukesha30 Brown24 Rock23 Sheboygan17 Washington17 Ozaukee16

Biggest cities

Milwaukee (59)Madison (42)Green Bay (17)Germantown (13)Oak Creek (12)Eau Claire (11)Oshkosh (10)Janesville (9)Sheboygan (9)Appleton (8)

Plants in Wisconsin74 FACILITIES

Facility	City	Employees	Status
MilliporeSigma 636	Madison	20–99	LIKELY ACTIVE
MilliporeSigma 645	Madison	100–499	LIKELY ACTIVE
MilliporeSigma VOA	Verona	100–499	LIKELY ACTIVE
PCI Pharma Services - Madison	Madison	20–99	LIKELY ACTIVE
Premier Cooperative	Mount Horeb	—	LIKELY ACTIVE
SPL Waunakee	Waunakee	100–499	LIKELY ACTIVE
Bell Laboratories INC Windsor	Windsor	—	UNVERIFIED
Frontier-servco Fs, Div of Growmark, INC.	Mazomanie	—	UNVERIFIED
Graftobian, Ltd.	Madison	—	UNVERIFIED
King Pharmaceuticals INC.	Middleton	—	UNVERIFIED
Madison Powder Coating LLC	Stoughton	—	UNVERIFIED
Midwest Rubber Mfg L L C	Stoughton	—	UNVERIFIED
Northstar Medical Radioisotopes, LLC.	Madison	—	UNVERIFIED
Promega Corporation - 5500 Nobel	Fitchburg	—	UNVERIFIED
Promega - Kornberg Center	Madison	—	UNVERIFIED
Purple Cow Organics, LLC	Verona	—	UNVERIFIED
Research and Development Center (rdc)	Madison	—	UNVERIFIED
Safc INC	Madison	—	UNVERIFIED
Scientific Protein Labs INC	Waunakee	—	UNVERIFIED
Shine Technologies Heliopolis	Madison	—	UNVERIFIED
Stratatech	Madison	—	UNVERIFIED
Third Wave Technologies	Madison	—	UNVERIFIED
Third Wave Technologies INC	Sun Prairie	—	UNVERIFIED
Total Water Treatment Systems, INC	Madison	—	UNVERIFIED

Search all 556 facilities

All chemical manufacturing nationwide · All manufacturing in Wisconsin