Machine shops and fabricators in O Fallon, Missouri
EveryJobShop lists 3 manufacturing companies in O Fallon, Missouri. The most common processes are CNC milling (2), assembly (1), casting (1), CNC turning (1). 2 of them state ISO 9001; certifications on file: ISO 9001 (2), AS9100 (1), ITAR (1). Materials named on their websites: aluminum (2), copper and brass (1), carbon steel (1). 1 is ITAR registered or state defense work.
Filter these 3 shopsUpdated October 15, 2026
| Company | Location | Processes | Certs |
|---|---|---|---|
| Austin Machine Co Milling, Turning, Waterjet · ISO 9001 | O Fallon, MO | MillingTurningWaterjet | ISO 9001 |
| Ofallon Casting LLC Casting, EDM | O Fallon, MO | CastingEDM | - |
| Planet Tool & Gear Inc Milling, Welding, Stamping, Assembly · ISO 9001, AS9100, ITAR | O Fallon, MO | MillingWeldingStampingAssembly | ISO 9001, AS9100, ITAR |
Questions buyers ask about O Fallon
- How many job shops are there in O Fallon, MO?
- EveryJobShop lists 3 manufacturing companies in O Fallon, Missouri. The most common processes are CNC milling (2), assembly (1), casting (1), CNC turning (1). Updated October 15, 2026.
- Which O Fallon shops are AS9100 or ITAR?
- 2 of them state ISO 9001; certifications on file: ISO 9001 (2), AS9100 (1), ITAR (1). 1 is ITAR registered or state defense work. Filter the list by certification to see them.
- How do I get a quote from a shop in O Fallon?
- Open the company page and use "Request a quote": attach STEP, DXF or PDF files, the request goes to the shop's quoting contact with your email as reply-to, and the shop answers you directly.