Defelsko Corporation
At a glance
Employees100-499
In business since1965
HeadquartersOgdensburg, NY
US patents28
SAM.gov UEIMAGAAT949ZV1
CAGE code1Y924
Incorporated inNY
- coating thickness gages
- inspection instruments
- measuring
- surface profile
- oven profile
- adhesion
- concrete moisture
- wall thickness
- steel structure painting
- automotive
- probes
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsWoman Owned BusinessWoman Owned Small Business
Self-certified by the company in its SAM.gov registration
Patents
28 US patents granted 1984–2015, none of them in the five years to SEP 2025, including 2 design patents.
Measurement 21Control 2Mechanical elements 1
- Apparatus and method for characterizing a replica tapeUS 9,207,174 · granted DEC 8, 2015
- Ultrasonic measuring gaugeUS 9,188,672 · granted NOV 17, 2015
- Apparatus and method for characterizing a replica tapeUS 8,994,933 · granted MAR 31, 2015
- Wall fastener with knife blade and a stringUS 8,475,100 · granted JUL 2, 2013
- Coating thickness gaugeUS RE41342 · granted MAY 18, 2010
Newest 5 shown · Granted to DeFelsko Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Defelsko Corporation | Ogdensburg | NY | 100–499 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


