Operating signal within 12 months from two or more independent sources.
What they make
Other Communications Equipment Manufacturing334290- underwater communication
- exploration
- full face masks
- communications
- adaptors
- hoses
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Sbg Systems North America, INC | Santa Ana | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 2.3 KM |
| Npi Services, INC. | Costa Mesa | Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418 | ACTIVE | 2.7 KM |
| Anduril Industries, INC. | Costa Mesa | All Other Industrial Machinery Manufacturing 333248 | ACTIVE | 2.9 KM |
| Ipintegration, INC. | Costa Mesa | Electronic Computer Manufacturing 334111 | ACTIVE | 3.2 KM |
| Fm Systems, INC. | Fountain Valley | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | REPORTED CLOSED | 5.0 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
4 sources hold this plant, and 11 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.
- SAM.gov entity registrationOPERATINGRecord C66ZKHPM2TN9 · first seen FEB 2026 · last seen OCT 2026
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 330267684|CA|92704|3133 w harvard st · first seen SEP 2025 · last seen SEP 2025
- SBA Paycheck Protection Program loan recordsEXISTENCERecord CA|santa ana|3133 w harvard st · first seen APR 2020 · last seen APR 2020
IN ORANGE COUNTY69 other plants share this one’s industry (Communications Equipment Manufacturing, NAICS 3342); 12 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: UNDERSEA SYSTEMS INTERNATIONAL, INC.
- Street address
- SAM.gov: 3133 W HARVARD ST
- City
- SAM.gov: SANTA ANA
- State
- SAM.gov: CA
- Coordinates
- Census geocoder: 33.72030745819,-117.911331430418 · JUL 2026
- Employees (band)
- DOL: 20-99 · SEP 2025
- Website
- SAM.gov: http://www.oceantechnologysystems.com/
- CAGE code
- SAM.gov: 46646
- Retirement plan filing (Form 5500)
- DOL: 38 active participants, plan year ending 2025-09-30, 1 plan(s) · SEP 2025
- PPP loan
- SBA PPP: PPP loan x1, approved 2020-04-12, 67 jobs reported · APR 2020
- SAM registration expires
- SAM.gov: 2027-02-24