Magnetic Instrumentation Company, LLC
8431 Castlewood Dr, Indianapolis, IN 46250
Operating signal within 12 months from two or more independent sources.
What they make
All Other Miscellaneous Electrical Equipment and Component Manufacturing335999Magnetic Instrumentation manufactures magnetizing fixtures, standard magnetizers, calibration and demagnetization equipment, and measurement and testing instruments including hysteresigraphs, soft magnetic testers, fluxmeters, gaussmeters, and Helmholtz coils. The company holds ISO 17025 Accredited Calibration certification and offers custom systems and engineering services for magnetizing solutions.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
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Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 9 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 | MAR 2026 | MAR 2026 |
| SBA LOANS | EXISTENCE | MAR 2018 | MAR 2018 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | MAR 2026 |
| CAGE CODE | SAM GOV | MAR 2026 |
| CITY | SAM GOV | MAR 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | MAR 2026 |
| REGISTRATION EXPIRATION | SAM GOV | MAR 2026 |
| SBA LOAN | SBA LOANS | MAR 2018 |
| STATE | SAM GOV | MAR 2026 |
| WEBSITE | SAM GOV | MAR 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


