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Semi-general, INC.

54 Grenier Field Rd, Londonderry, NH 03053

ACTIVELAST SEEN IN FEDERAL DATA JUL 2026 · 2 SOURCES

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

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Homepage of Semi-general, INC.
Their homepage, crawled AUG 2026

What they make

Semiconductor and Related Device Manufacturing334413

SemiGen manufactures RF/microwave components including passive components such as attenuators, capacitors, couplers, filters, inductors, and transmission lines, as well as semiconductor diodes including PIN diodes, Schottky diodes, step recovery diodes, and tunnel diodes. The company provides RF/microwave assembly, automated PCB assembly, RF/microwave performance testing, high-reliability/MIL-STD screening, thin film processing, metallization, wafer dicing, and ion beam milling services. SemiGen serves markets requiring RF/microwave components and also offers design engineering support, module repair and refurbishment, and bonding tools and materials.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Where it is

42.92217, -71.41635 · CENSUS TIGER
COUNTY
METRO AREA
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Every listed plant in Rockingham County

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.

M/a-com Technology Solutions Holdings, INC.
Londonderry, NH
UNVERIFIED331313
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 2026JUL 2026
SAM GOVOPERATINGJUN 2026JUN 2026
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1SAM GOVJUN 2026
CAGE CODESAM GOVJUN 2026
CITYSAM GOVJUN 2026
GEOMCENSUS GEOCODERJUL 2026
NAMESAM GOVJUN 2026
REGISTRATION EXPIRATIONSAM GOVJUN 2026
STATESAM GOVJUN 2026
WEBSITESAM GOVJUN 2026
YEAR ESTABLISHEDSITE YEARAUG 2026

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

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