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
Map, cities and product lines
Plants in Montana12 FACILITIES
Listing 12 of 14: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Montana Sulphur & Chemical CO | Billings | 20–99 | ACTIVE |
| Scentry Biologicals, INC. | Billings | 1–19 | ACTIVE |
| American Welding & Gas INC | Billings | — | ACTIVE |
| Belle Chemical LLC | Billings | — | ACTIVE |
| Science & Conservation Center INC | Billings | — | ACTIVE |
| Sego Lily Skincare, LLC | Pompeys Pillar | — | ACTIVE |
| Valley Farmers Supply | Worden | — | ACTIVE |
| Montana Sulphur & Chemical | Billings | 20–99 | LIKELY ACTIVE |
| Jupiter Sulphur, LLC. - Billings | Billings | — | LIKELY ACTIVE |
| All American Pharmaceutical & Natural Foods Corporation | Billings | 20–99 | UNVERIFIED |
| Loveland Products INC. | Billings | — | LIKELY ACTIVE |
| Wyo-Ben Pet | Billings | 20–99 | LIKELY ACTIVE |
All chemical manufacturing nationwide · All manufacturing in Montana