Harmonix Systems INC.

What they make

• components
• full telemetry systems
• receiver/combiner data processing
• multi-channel PCM processing
• re-transmission systems
• radio frequency recording
• Aerospace Flight Test community

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Where it is

Other plants nearby

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Every listed plant in San Diego County

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 sources hold this plant, and 8 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 websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record Z9ZNJ31Y8ZK4 · first seen JAN 2026 · last seen JAN 2026

IN SAN DIEGO COUNTY262 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 60 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: HARMONIX SYSTEMS INC. · JAN 2026

Street address

SAM.gov: 1782 LA COSTA MEADOWS DR STE 101 · JAN 2026

City

SAM.gov: SAN MARCOS · JAN 2026

State

SAM.gov: CA · JAN 2026

Coordinates

Census geocoder: 33.104446524589,-117.219971174249 · JUL 2026

Website

SAM.gov: https://lumi-star.com/ · JAN 2026

CAGE code

SAM.gov: 718V9 · JAN 2026

SAM registration expires

SAM.gov: 2027-01-15 · JAN 2026