Manufacturing in Rock Springs, WY
This register lists 27 facilities as of 2026. Of those listed in the register, 9 have an operating signal. Rock Springs, WY, is home to 13 facilities listed in the register. Chemical Manufacturing accounts for 11 facilities listed in the register, identified by NAICS code 325.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
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Facilities27 FACILITIES
| Facility | City | Industry | Employees | Status |
|---|---|---|---|---|
| Blue Mountain Operations, LLC | Rock Springs, WY | Machinery Manufacturing333132 | — | ACTIVE |
| Green River Sodium Products Plant (church & Dwight Inc) | Sweetwater County, WY | Chemical Manufacturing325180 | — | LIKELY ACTIVE |
| Simplot Phosphates - Phosphate Fertilizer Plant | Rock Springs, WY | Chemical Manufacturing325311 | — | LIKELY ACTIVE |
| P4 Production LLC | Rock Springs, WY | Petroleum and Coal Products Manufacturing324199 | — | LIKELY ACTIVE |
| Fmc Granger | Granger, WY | Chemical Manufacturing325180 | — | LIKELY ACTIVE |
| Fmc Wyoming Corporation - Green River Wyoming Facility | Green River, WY | Chemical Manufacturing325181 | — | LIKELY ACTIVE |
| General Chemical | Green River, WY | Chemical Manufacturing325188 | — | LIKELY ACTIVE |
| Benchmark Energy Products LLC | Rock Springs, WY | Chemical Manufacturing325998 | — | UNVERIFIED |
| Church & Dwight CO INC | Green River, WY | Chemical Manufacturing325611 | — | UNVERIFIED |
| Lagoon Drive Ready Mix | Rock Springs, WY | Nonmetallic Mineral Product Manufacturing327320 | — | UNVERIFIED |
| Lewis & Lewis Inc., Asphalt Paving | Rock Springs, WY | Petroleum and Coal Products Manufacturing324121 | — | UNVERIFIED |
| Multi-chem Group, LLC Rock Springs Facility | Rock Springs, WY | Chemical Manufacturing325998 | — | UNVERIFIED |
| HydraFab | Green River, WY | Fabricated Metal Product Manufacturing332912 | 1–19 | LIKELY ACTIVE |
| Pete's Auto Service, LLC | Rock Springs, WY | Transportation Equipment Manufacturing336991 | — | REPORTED CLOSED |
| Rock Springs | Rock Springs, WY | Nonmetallic Mineral Product Manufacturing327320 | 20–99 | LIKELY ACTIVE |
| Baxter Plant Site | Sweetwater County, WY | Petroleum and Coal Products Manufacturing324121 | — | UNVERIFIED |
| Ct-862a | Sweetwater, WY | Petroleum and Coal Products Manufacturing324121 | — | UNVERIFIED |
| Granger Gas Plant | Sweetwater, WY | Chemical Manufacturing325120 | — | UNVERIFIED |
| Mesa Investments: Industrial | Rock Springs, WY | Machinery Manufacturing333512 | — | UNVERIFIED |
| P4 Production, LLC | Rock Springs, WY | Petroleum and Coal Products Manufacturing324199 | — | UNVERIFIED |
| Portable Concrete Batch Plant | Rock Springs, WY | Nonmetallic Mineral Product Manufacturing327320 | — | UNVERIFIED |
| Portable Crushing/screening E | Rock Springs, WY | Nonmetallic Mineral Product Manufacturing327320 | — | UNVERIFIED |
| Reliance Operations Facility | Reliance, WY | Chemical Manufacturing325199 | — | UNVERIFIED |
| Rock Springs Coal Calcining Plant | Sweetwater, WY | Petroleum and Coal Products Manufacturing324199 | — | UNVERIFIED |
| Rock Springs Fertilizer Complex | Sweetwater, WY | Chemical Manufacturing325312 | — | UNVERIFIED |
| Sodium Products | Green River, WY | Nonmetallic Mineral Product Manufacturing327999 | — | UNVERIFIED |
| Sunroc Lagoon Concrete Batch Plant | Sweetwater, WY | Nonmetallic Mineral Product Manufacturing327320 | — | UNVERIFIED |
