Harmonix Systems INC.
1782 La Costa Meadows Dr Ste 101, San Marcos, CA 92078
Operating signal within 12 months from two or more independent sources.
What they make
Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing334511Lumistar supplies components and full telemetry systems. It LUMCitations: The company makes receiver/combiner data processing systems, multi-channel PCM processing systems, and range re-transmission systems, utilizing the leading to radio frequency recording and playback systems. It serves the Aeronautical and Aerospace Flight Test community.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Fluid Components International LLC | San Marcos | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | ACTIVE | 0.1 KM |
| Dwyer Instruments, LLC (dba Fluid Components International) (tech Center) | San Marcos | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | UNVERIFIED | 0.5 KM |
| Fluid Components International LLC | San Marcos | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | UNVERIFIED | 0.5 KM |
| Neuralace Medical, INC. | San Marcos | Electromedical and Electrotherapeutic Apparatus Manufacturing 334510 | ACTIVE | 1.6 KM |
| Machine Vision Products, INC. | Vista | Semiconductor Machinery Manufacturing 333242 | ACTIVE | 3.3 KM |
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 — 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 | JAN 2026 | JAN 2026 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | JAN 2026 |
| CAGE CODE | SAM GOV | JAN 2026 |
| CITY | SAM GOV | JAN 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | JAN 2026 |
| REGISTRATION EXPIRATION | SAM GOV | JAN 2026 |
| STATE | SAM GOV | JAN 2026 |
| WEBSITE | SAM GOV | JAN 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

