Invention House LLC
538 Leffingwell Ave, Ste a, Saint Louis, MO 63122
Operating signal within 12 months from two or more independent sources.
What they make
Relay and Industrial Control Manufacturing335314Invention House manufactures variable frequency drives and automated conformal company', along with conformal coating robotics for PCBs. They produce single-phase and 3-phase motor drives, including 400 Hz drives, and offer motor control consulting services. The company serves the aviation industry and provides products meeting mil-spec requirements.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Affton Auto Radiator and Air Conditioning Service, INC. | Fenton | Power Boiler and Heat Exchanger Manufacturing 332410 | ACTIVE | 4.7 KM |
| Magnetic Power Systems Inc-manufacturers Drive | Fenton | Relay and Industrial Control Manufacturing 335314 | UNVERIFIED | 5.9 KM |
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Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 8 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | SEP 2025 | JUL 2026 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | JUL 2026 |
| CAGE CODE | SAM GOV | JUL 2026 |
| CITY | SAM GOV | JUL 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | JUL 2026 |
| REGISTRATION EXPIRATION | SAM GOV | JUL 2026 |
| STATE | SAM GOV | JUL 2026 |
| WEBSITE | SAM GOV | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.