Manufacturing in St. Charles County, Missouri
Map, cities and benchmark
Biggest cities
Federal labor statistics counted at least 282 manufacturing establishments in St. Charles County in 2024, employing about 16,641 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 295.
Facilities295 FACILITIES
| Facility | City | Industry | NAICS | Employees | Status |
|---|---|---|---|---|---|
| Patriot Machine, INC. | Saint Charles | Transportation Equipment Manufacturing | 336413 | 100–499 | ACTIVE |
| Precision Components & Assemblies, INC | Saint Peters | Primary Metal Manufacturing | 331513 | 1–19 | ACTIVE |
| Seyer Industries, INC. | Saint Peters | Fabricated Metal Product Manufacturing | 332710 | — | ACTIVE |
| Western Ready-mix, INC | Wentzville | Nonmetallic Mineral Product Manufacturing | 327320 | 20–99 | ACTIVE |
| Willerding Acquisition CORP. | O Fallon | Fabricated Metal Product Manufacturing | 332710 | — | ACTIVE |
| Austin Machine CO | O Fallon | Fabricated Metal Product Manufacturing | 332312 | — | ACTIVE |
| Bte Mid Western LLC | Wentzville | Machinery Manufacturing | 333131 | — | ACTIVE |
| C.m. Products LLC | Saint Peters | Machinery Manufacturing | 333922 | — | ACTIVE |
| Craftsmen Industries, INC. | Saint Charles | Transportation Equipment Manufacturing | 336212 | 100–499 | ACTIVE |
| Diode Dynamics, L.l.c. | Saint Charles | Transportation Equipment Manufacturing | 336320 | — | ACTIVE |
| Magna Technologies, INC. | Weldon Spring | Computer and Electronic Product Manufacturing | 334515 | — | ACTIVE |
| Masterclock, INC. | Saint Charles | Computer and Electronic Product Manufacturing | 334220 | 20–99 | ACTIVE |
| National Cart CO INC | Saint Charles | Fabricated Metal Product Manufacturing | 332999 | — | ACTIVE |
| Patterson Mold and Tool, LLC | Saint Charles | Machinery Manufacturing | 333511 | 20–99 | ACTIVE |
| Planet Tool & Gear INC | O Fallon | Fabricated Metal Product Manufacturing | 332710 | — | ACTIVE |
| True Fitness Technology INC | O Fallon | Miscellaneous Manufacturing | 339920 | 100–499 | ACTIVE |
| Atlas Aerosystems LLC | Saint Charles | Transportation Equipment Manufacturing | 336411 | — | ACTIVE |
| Aviation Turbines International, INC. | O Fallon | Transportation Equipment Manufacturing | 336412 | — | ACTIVE |
| Blb Enterprise, LLC | Saint Charles | Food Manufacturing | 311999 | — | ACTIVE |
| Cardinal Pump Company | Saint Peters | Machinery Manufacturing | 333914 | — | ACTIVE |
| Chef Pure Foods, LLC | O Fallon | Food Manufacturing | 311423 | — | ACTIVE |
| Clyde Joseph Enterprises, LLC | Wentzville | Fabricated Metal Product Manufacturing | 332812 | — | ACTIVE |
| Cool Touch Graphics LLC | Saint Charles | Printing and Related Support Activities | 323111 | — | ACTIVE |
| Corpair Supply Co., INC. | O Fallon | Transportation Equipment Manufacturing | 336413 | — | ACTIVE |
| Fin-con Assembly Group, INC. | O Fallon | Electrical Equipment, Appliance & Component Manufacturing | 335929 | — | ACTIVE |
| Force Shield LLC | Saint Peters | Transportation Equipment Manufacturing | 336992 | — | ACTIVE |
| Forever Etched LLC | O Fallon | Miscellaneous Manufacturing | 339999 | — | ACTIVE |
| Fusion Holdings, LLC | Saint Charles | Chemical Manufacturing | 325220 | — | ACTIVE |
| Gateway Precision Gear, INC | Saint Peters | Machinery Manufacturing | 333612 | — | ACTIVE |
| Gray Matters Alliance LLC | O Fallon | Miscellaneous Manufacturing | 339113 | — | ACTIVE |
| Great Journey West, LLC | Saint Charles | Furniture and Related Product Manufacturing | 337214 | — | ACTIVE |
| Higear Innovations, LLC | O Fallon | Miscellaneous Manufacturing | 339950 | — | ACTIVE |
| Infinity Online Marketplace LLC | Saint Peters | Plastics and Rubber Products Manufacturing | 326199 | — | ACTIVE |
| Lloyd Industries, Incorporated | Saint Charles | Computer and Electronic Product Manufacturing | 334510 | — | ACTIVE |
| O'fallon Casting, L.l.c. | O Fallon | Primary Metal Manufacturing | 331524 | — | ACTIVE |
| Pixamettic Solutions LLC | Wentzville | Furniture and Related Product Manufacturing | 337214 | — | ACTIVE |
| Power Source Midwest, INC. | Lake Saint Louis | Machinery Manufacturing | 333998 | — | ACTIVE |
| Ram Custom Crating LLC | O Fallon | Wood Product Manufacturing | 321920 | — | ACTIVE |
| Regimed Medical | Saint Peters | Chemical Manufacturing | 325412 | — | ACTIVE |
| Rokhan LLC | Dardenne Prairie | Computer and Electronic Product Manufacturing | 334516 | — | ACTIVE |
| Rpmc Lasers INC. | O Fallon | Computer and Electronic Product Manufacturing | 334413 | — | ACTIVE |
| Rsm Capital Group LLC | O Fallon | Textile Mills | 313210 | — | ACTIVE |
| Sheds Direct Stores, LLC | Weldon Spring | Fabricated Metal Product Manufacturing | 332311 | — | ACTIVE |
| Skm Industries INC. | Lake Saint Louis | Miscellaneous Manufacturing | 339940 | — | ACTIVE |
| Westar Display Technologies, INC | Saint Charles | Machinery Manufacturing | 333310 | — | ACTIVE |
| Modineer Plant 7 | Saint Peters | Fabricated Metal Product Manufacturing | 332322 | 100–499 | LIKELY ACTIVE |
| General Motors LLC Wentzville Assembly | Wentzville | Transportation Equipment Manufacturing | 336110 | — | LIKELY ACTIVE |
| K and P Precast INC | O Fallon | Nonmetallic Mineral Product Manufacturing | 327331 | 20–99 | LIKELY ACTIVE |
| Missouri Metals | Wentzville | Transportation Equipment Manufacturing | 336413 | 20–99 | LIKELY ACTIVE |
| Permian Plastics, LLC | O Fallon | Plastics and Rubber Products Manufacturing | 326199 | 20–99 | LIKELY ACTIVE |
