Chemical Manufacturing in Montana

NAICS 325 · MT

The Chemical Manufacturing industry in Montana had 73 establishments, according to the Bureau of Labor Statistics in 2025. This register lists 69 facilities in Montana. The GSK HAMILTON plant in Hamilton employs 303 people, according to data from 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Plants in Montana49 FACILITIES

Listing 49 of 69: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
GHGsk Hamilton	Hamilton	100–499	● ACTIVE
MSMontana Sulphur & Chemical CO	Billings	20–99	● ACTIVE
RARec Advanced Silicon Materials LLC	Butte	100–499	● ACTIVE
Scentry Biologicals, INC.	Billings	1–19	● ACTIVE
Xtant Medical Holdings, INC.	Belgrade	—	● ACTIVE
American Welding & Gas INC	Billings	—	● ACTIVE
Belle Chemical LLC	Billings	—	● ACTIVE
Bitterroot Innovations, LLC	Stevensville	—	● ACTIVE
Evergreen Mining Solutions, LLC	Whitehall	—	● ACTIVE
Lyman Dust Control Services of Montana, LLC	Columbia Falls	—	● ACTIVE
MFMoiese Fertilizer CO	Charlo	—	● ACTIVE
Montana Advanced Composites, INC.	Manhattan	—	● ACTIVE
Pelican Chemicals INC.	Missoula	—	● ACTIVE
Pro Coop	Scobey	—	● ACTIVE
Science & Conservation Center INC	Billings	—	● ACTIVE
Sego Lily Skincare, LLC	Pompeys Pillar	—	● ACTIVE
Shield Pest Defense LLC	Missoula	—	● ACTIVE
Thatcher Company of Montana, INC.	Missoula	—	● ACTIVE
Valley Farmers Supply	Worden	—	● ACTIVE
ACAmerican Chemet	East Helena	100–499	◐ LIKELY ACTIVE
HIHexion INC. - Missoula	Missoula	—	◐ LIKELY ACTIVE
MSMontana Sulphur & Chemical	Billings	20–99	◐ LIKELY ACTIVE
Promiliad Biopharma Incorporated	Alberton	1–19	◐ LIKELY ACTIVE
JSJupiter Sulphur, LLC. - Billings	Billings	—	◐ LIKELY ACTIVE
OIOptiblend Industries Inc-miles City	Miles City	—	◐ LIKELY ACTIVE
TCThatcher Company of North Dakota INC	Glendive	—	◐ LIKELY ACTIVE
Canvas & Cornerstone, LLC	Great Falls	—	◐ LIKELY ACTIVE
SIStagefx, INC.	Columbus	1–19	◐ LIKELY ACTIVE
BSBig Sky Scientific LLC	Sun River	20–99	◐ LIKELY ACTIVE
AAAll American Pharmaceutical & Natural Foods Corporation	Billings	20–99	◇ UNVERIFIED
ACAmerican Chemet CORP	East Helena	—	◐ LIKELY ACTIVE
LPLoveland Products INC.	Billings	—	◐ LIKELY ACTIVE
MRMontana Renewables LLC	Great Falls	—	◐ LIKELY ACTIVE
MMMountain Meadow Herbs	Somers	20–99	◐ LIKELY ACTIVE
ACAmerican Chemet	East Helena	20–99	◐ LIKELY ACTIVE
ILIlx Lightwave a Newport Company	Bozeman	—	◐ LIKELY ACTIVE
SUSolvay USA Inc.-silver Bow Plant	Silver Bow	—	◐ LIKELY ACTIVE
CBChs Big Sky	Denton	—	◇ UNVERIFIED
CBChs Big Sky- Kershaw	Fort Benton	—	◇ UNVERIFIED
CMChs Mountain West Co-op - Kalispell	Kalispell	—	◇ UNVERIFIED
CPColumbia Paint & Coatings CO	Helena	—	◇ UNVERIFIED
LPLewistown Propane & Fertilizer Co-denton Plant	Denton	—	◇ UNVERIFIED
MAMontana Advanced Biofuels LLC	Great Falls	—	◇ UNVERIFIED
SSSolvay - Silver Bow Plant	Butte	—	◇ UNVERIFIED
BNBotanie Natural Soap Inc	Bonner	20–99	◐ LIKELY ACTIVE
HBHGS Bioscience Shelby	Shelby	1–19	◐ LIKELY ACTIVE
NRNorthern Region Missoula	Missoula	1–19	◐ LIKELY ACTIVE
WPWyo-Ben Pet	Billings	20–99	◐ LIKELY ACTIVE
EPEvolution Pyrotechnics Manufacturing, INC.	Columbus	20–99	◇ UNVERIFIED

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