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H6 Systems INC

55 Lake St, Nashua, NH 03060

ACTIVELAST SEEN IN FEDERAL DATA SEP 2026 · 2 SOURCES

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

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Homepage of H6 Systems INC
Their homepage, crawled JUL 2026

What they make

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals334515

H6 Systems thinkingHa Systems manufactures high-power RF transmitters and high-voltage modulators. The company builds systems for a are used in susceptibility testing, weather radar, health care, research, and security systems. It integrates vacuum tubes, whatHabits, magnetrons, klystrons, tetrodes, triodes, and TWTs, along with PLCs, k- are used in the manufacturing process. The company builds systems

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Where it is

42.75036, -71.46706 · CENSUS TIGER
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Every listed plant in Hillsborough County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 8 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
SAM GOVOPERATINGMAR 2026SEP 2026
COMPANY SITEOPERATINGJUL 2026AUG 2026
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1SAM GOV
CAGE CODESAM GOV
CITYSAM GOV
GEOMCENSUS GEOCODERJUL 2026
NAMESAM GOV
REGISTRATION EXPIRATIONSAM GOV
STATESAM GOV
WEBSITESAM GOV

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

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