Operating signal within 12 months from two or more independent sources.
What they make
Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing334220Stellant manufactures active and passive RF components, control components, and microwave and RF power tubes including klystrons, magnetrons, crossed-field amplifiers, traveling-wave tubes, and solid-state power amplifiers. The company provides RF assembly and ETL testing services. Its products serve defense, space, industrial, medical, and scientific industries.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- AS9100
- ISO 9001
Read from this company’s own website on August 9, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Chyronhego US Holding Corporation | Melville | Audio and Video Equipment Manufacturing 334310 | LIKELY ACTIVE | 0.9 KM |
| Telephonics CORP | Farmingdale | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | ACTIVE | 4.2 KM |
| Computech International, INC. | Woodbury | Electronic Computer Manufacturing 334111 | ACTIVE | 7.5 KM |
| Precision Electronics, INC | Copiague | Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing 334416 | ACTIVE | 9.4 KM |
| U. S. Dynamics Corporation | Amityville | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 9.4 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 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 | DEC 2025 | DEC 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | DEC 2025 |
| CAGE CODE | SAM GOV | DEC 2025 |
| CITY | SAM GOV | DEC 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | DEC 2025 |
| REGISTRATION EXPIRATION | SAM GOV | DEC 2025 |
| STATE | SAM GOV | DEC 2025 |
| WEBSITE | SAM GOV | DEC 2025 |
| YEAR ESTABLISHED | SITE YEAR | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

