The Measure of Quality
DeFelsko Product News



DeFelsko Corporation is located in northern New York, USA. Our state-of-the-art facility houses research, manufacturing, sales, service and shipping departments.  For more information about us view our About Us page.
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Manufacturing & Service Center:

DeFelsko Corporation
800 Proctor Avenue
Ogdensburg, NY 13669-2205

Phone:   1-800-448-3835 (USA & Canada)   

Fax:   +1-315-393-8471


Business Hours: 8am - 5pm EST


Rapid Response Forms:

Sales & Application Assistance
Contact our technical sales department for all sales related inquiries, including pricing, delivery and additional product information. Our experienced sales staff will assist you in selecting the best instrument for your particular application.

Technical Support
Contact our technical department for all questions including instrument technical support, application measurement challenges, quality, calibration and more.

General Feedback
We seek customer feedback.You are invited to complete and submit our Feedback Form. Let us know how we are doing.

Worldwide Dealer Network
DeFelsko's worldwide dealer network supplies and supports our products throughout the world. Please contact us for the authorized dealer in your country.

If you are interested in distributing our Coating Thickness Gages and Inspection Instruments, complete our DeFelsko Distributor Questionnaire


Upcoming Events

San Antonio, Texas USA
Booth 209

Complete Event Schedule



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