U. S. Dynamics Corporation
425 Bayview Ave, Amityville, NY 11701
Operating signal within 12 months from two or more independent sources.
What they make
Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing334511- electronic parts
- circuit cards
- radars
- gyroscopes
- bearings
- pivots
- alternatives
- OEM parts
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 |
|---|---|---|---|---|
| Narishige International USA INC | Amityville | Analytical Laboratory Instrument Manufacturing 334516 | ACTIVE | 0.1 KM |
| Mark-10 CORP | Copiague | Other Measuring and Controlling Device Manufacturing 334519 | ACTIVE | 0.3 KM |
| Itt CORP | North Amityville | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | UNVERIFIED | 2.9 KM |
| Netech Corporation | Farmingdale | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515 | ACTIVE | 3.1 KM |
| Seanair, LLC | Farmingdale | Machine Shops 332710 | LIKELY ACTIVE | 3.3 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
5 sources hold this plant, and 13 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.
EPA cross-references this facility in BR, ICIS, RCRAINFO · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord LN19QP4FFFG7 · first seen JAN 2026 · last seen JAN 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 112005934|NY|11701|425 bayview ave · first seen MAY 2025 · last seen MAY 2025
- SBA Paycheck Protection Program loan recordsEXISTENCERecord NY|amityville|425 bayview ave · first seen APR 2020 · last seen APR 2020
- EPA Facility Registry ServiceEXISTENCERecord 110004337664 · first seen DEC 2010 · last seen DEC 2010
IN SUFFOLK COUNTY70 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 28 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
- EPA: U.S. DYNAMICS CORPORATION · JUL 2026 · ON THIS PAGE
- SAM.gov: U. S. DYNAMICS CORPORATION · JAN 2026 · ON THIS PAGE
- Street addressSOURCES DISAGREE
- EPA: 425 BAYVIEW AVENUE · JUL 2026
- SAM.gov: 425 BAYVIEW AVE · JAN 2026 · ON THIS PAGE
- City
- EPA: AMITYVILLE · JUL 2026 · ON THIS PAGE
- SAM.gov: AMITYVILLE · JAN 2026 · ON THIS PAGE
- State
- EPA: NY · JUL 2026 · ON THIS PAGE
- SAM.gov: NY · JAN 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 36103 · SEP 2026
- Coordinates
- Census geocoder: 40.68473743402,-73.409151417002 · JUL 2026 · ON THIS PAGE
- EPA: 40.68497,-73.40919 · JUL 2026 · ON THIS PAGE
- Employees (band)
- DOL: 100-499 · MAY 2025
- Website
- SAM.gov: http://www.usdynamicscorp.com · JAN 2026
- CAGE code
- SAM.gov: 26269 · JAN 2026
- Retirement plan filing (Form 5500)
- DOL: 105 active participants, plan year ending 2025-05-13, 2 plan(s) · MAY 2025
- PPP loan
- SBA PPP: PPP loan x1, approved 2020-04-14, 111 jobs reported · APR 2020
- SAM registration expires
- SAM.gov: 2027-01-27 · JAN 2026
- State business registration
- TX Comptroller: U.S. DYNAMICS CORPORATION, registered with the Texas Comptroller of Public Accounts; Corporation; active


