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Stellant Pst CORP.

105 Baylis Rd, Melville, NY 11747

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 2 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Stellant Pst CORP.
Their homepage, crawled AUG 2026

What they make

Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing334220

Stellant 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

40.76949, -73.41301 · CENSUS TIGER
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Every listed plant in Suffolk County

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.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGDEC 2025DEC 2025
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1SAM GOVDEC 2025
CAGE CODESAM GOVDEC 2025
CITYSAM GOVDEC 2025
GEOMCENSUS GEOCODERJUL 2026
NAMESAM GOVDEC 2025
REGISTRATION EXPIRATIONSAM GOVDEC 2025
STATESAM GOVDEC 2025
WEBSITESAM GOVDEC 2025
YEAR ESTABLISHEDSITE YEARAUG 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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