Plastics and Rubber Products Manufacturing in Montana
NAICS 326 · MT
This register lists 28 facilities in Montana. The Bureau of Labor Statistics counted 35 establishments in the Plastics and Rubber Products Manufacturing industry in Montana. Big Sky Insulations, Inc. in Belgrade employed 60 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Montana17 FACILITIES
Listing 17 of 28: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Hi-heat Industries, INC. | Lewistown | 20–99 | ACTIVE |
| Montana Fiberglass INC | Lewistown | 1–19 | ACTIVE |
| Outstanding Innovations, LLC | Kalispell | 1–19 | ACTIVE |
| Native American Trading Corporation (natc) | Billings | — | ACTIVE |
| Northwest Pipe Fittings, INC. | Billings | — | ACTIVE |
| Big Sky Insulations, Inc | Belgrade | 20–99 | LIKELY ACTIVE |
| Diversified Plastics | Missoula | 20–99 | LIKELY ACTIVE |
| Johns Manville INC | Belgrade | — | LIKELY ACTIVE |
| US Cbp Piegan Port of Entry | Babb | — | LIKELY ACTIVE |
| Fiberglass Structures | Laurel | — | UNVERIFIED |
| Northern Plastics INC | Kalispell | — | UNVERIFIED |
| ISCO Industries, Inc - Billings | Billings | 1–19 | LIKELY ACTIVE |
| ISCO Industries, Inc - Missoula | Missoula | 1–19 | LIKELY ACTIVE |
| Northwest Pipe Fittings, Inc. of Missoula, Montana | Missoula | 1–19 | LIKELY ACTIVE |
| Stevensville, MT | Stevensville | 20–99 | LIKELY ACTIVE |
| Chinook Windows | Great Falls | 1–19 | UNVERIFIED |
| Plastic Design Manufacturing (pdm) | Manhattan | 20–99 | UNVERIFIED |
All plastics and rubber products manufacturing nationwide · All manufacturing in Montana