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Princeton Research Instruments INC

42 Cherry Valley Rd, Princeton, NJ 08540

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 3 SOURCES

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

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Homepage of Princeton Research Instruments INC
Their homepage, crawled JUL 2026

What they make

Analytical Laboratory Instrument Manufacturing334516

Princeton Research Instruments manufactures scientific instruments for ultra-high vacuum environments, including reverse view Low Energy Electron Diffraction (LEED) systems, 10 kV High Energy Electron Diffraction (HEED) systems, and in-vacuum motion systems such as stepper motors and positioning stages. The company also produces replacement filaments and cathodes for surface analysis equipment, and offers custom design and manufacturing of surface analysis and UHV components.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Where it is

40.39045, -74.65591 · CENSUS TIGER
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Every listed plant in Somerset County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 3 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.

EPA cross-references this facility in NJ-NJEMS · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGFEB 2026FEB 2026
EPA FRSEXISTENCEDEC 2014DEC 2014
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
ADDRESS LINE1SAM GOVFEB 2026
CAGE CODESAM GOVFEB 2026
CITYEPA FRSJUL 2026
CITYSAM GOVFEB 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
NAMESAM GOVFEB 2026
REGISTRATION EXPIRATIONSAM GOVFEB 2026
STATEEPA FRSJUL 2026
STATESAM GOVFEB 2026
WEBSITESAM GOVFEB 2026

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

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