Magna Technologies, INC.
40 Downfield Dr, Weldon Spring, MO 63304
Operating signal within 12 months from two or more independent sources.
What they make
Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals334515- measurement
- calibration
- project management
- abrasive/paper products
- Department
- defense
- aerospace
- every continent
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Westar Display Technologies, INC | Saint Charles | Commercial and Service Industry Machinery Manufacturing 333310 | ACTIVE | 4.5 KM |
| Vortex Surgical, INC | Saint Charles | Surgical and Medical Instrument Manufacturing 339112 | ACTIVE | 4.5 KM |
| Centurion Investments INC | Chesterfield | Aircraft Manufacturing 336411 | ACTIVE | 6.1 KM |
| Commercial Coils INC | Chesterfield | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing 333415 | ACTIVE | 6.4 KM |
| Rokhan LLC | Dardenne Prairie | Analytical Laboratory Instrument Manufacturing 334516 | ACTIVE | 7.7 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 9 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord H1D6A555RT65 · first seen MAR 2026 · last seen OCT 2026
- SBA 7(a) and 504 loan recordsEXISTENCEfirst seen DEC 2009 · last seen DEC 2009
IN ST. CHARLES COUNTY2 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 0 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- SAM.gov: MAGNA TECHNOLOGIES, INC.
- Street address
- SAM.gov: 40 DOWNFIELD DR
- City
- SAM.gov: WELDON SPRING
- State
- SAM.gov: MO
- Coordinates
- Census geocoder: 38.718971189555,-90.640599611111 · JUL 2026
- Website
- SAM.gov: http://www.MagnaTechnologies.com
- CAGE code
- SAM.gov: 090R9
- SAM registration expires
- SAM.gov: 2027-03-13
- SBA loans
- SBA: 7a loan x1, jobs 2.0 · DEC 2009