United Testing Systems is an Industrial Physics company

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Contact Sales at United Testing Systems

Please use the form below to submit general sales inquiries to United Testing Systems.

Please visit our Service page for service related requests

We can be reached by phone at (800)-765-9997

Normal business hours at our headquarters in Fullerton, CA are Monday through Friday, 7:00 AM to 4:00 PM

Additional information on our domestic and international sales coverage can be found by scrolling to the bottom of the page



Find Your United Sales Contact

Terms & Conditions


Global Sales Director

Sean Kohl

Hardness Sales & Accessories

Phil Eusebi - (714) 887-4149

Universal Test Systems & Accessories

To reach a United Sales Engineer by e-mail, please complete and submit the form above.

International Representatives

United has partnerships with distributors across the globe who can help you with Hardness Testers or Universal Test Machines. To find out who your distributor is for a specific region, please contact the representative below.
Europe, Middle East & Africa Edwin Oosterveld emea@industrialphysics.com
China Allan Xie info.china@industrialphysics.com
SE Asia Koh Yeap Joo sea@industrialphysics.com
Latin America Sonia Loeza latam@industrialphysics.com