Patriot Machine, INC.
At a glance
Employees100-499
In business sinceNot reported
HeadquartersSaint Charles, MO
SAM.gov UEIEE51DXLB2EM9
Patriot Machine manufactures complex structural aircraft parts for the aerospace industry, including bulkheads, engine mounts, doors, longerons, stringers, pylon supports, window frames, and wing fittings. The company operates as a Tier 1 supplier of commercial and defense aerospace products and uses six-axis machining, CAD/CAM CATIA programming, and precision finishing processes. Quality inspection is performed using a Hexagon Delta Slant Coordinate Measuring Machine, a Hexagon Global S Chrome CMM, and a Leica laser tracker.
Summarized from the company’s own website
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Patriot Machine, INC. | Saint Charles | MO | 100–499 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


