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Defelsko Corporation

800 Proctor Ave, Ogdensburg, NY 13669

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 4 SOURCES

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

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Homepage of Defelsko Corporation
Their homepage, crawled JUL 2026

What they make

Other Measuring and Controlling Device Manufacturing334519

DeFelsko manufactures coating thickness gages and inspection instruments used to measure properties including coating thickness, gloss, surface profile, hardness, wall thickness, adhesion, and environmental conditions such as humidity and dew point. The company offers products with magnetic probes for attachment to steel structures, PosiSoft software for data management, and pre-configured inspection kits tailored to industries including steel structure painting, concrete, pipeline, powder, and automotive. No certifications are named in the text.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Where it is

44.71612, -75.45060 · CENSUS TIGER
COUNTY
METRO AREA
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Every listed plant in St. Lawrence County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 4 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.

EPA cross-references this facility in OSHA-OIS, RCRAINFO · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGAPR 2026APR 2026
OSHA ITAOPERATINGDEC 2025DEC 2025
EPA FRSEXISTENCESEP 2018SEP 2018
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
ADDRESS LINE1SAM GOVAPR 2026
CAGE CODESAM GOVAPR 2026
CITYEPA FRSJUL 2026
CITYSAM GOVAPR 2026
EMPLOYEE BANDOSHA ITADEC 2025
GEOMCENSUS GEOCODERJUL 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
NAMESAM GOVAPR 2026
REGISTRATION EXPIRATIONSAM GOVAPR 2026
STATEEPA FRSJUL 2026
STATESAM GOVAPR 2026
WEBSITESAM GOVAPR 2026

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

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