Industry’s Partner in Quality and Performance

Our Vision-
“At QTI, we believe innovation is a key driver for success. QTI encourages creativity and new thinking. Creativity is contagious, and we partner with individuals and organizations who view innovation in the same way. As a result, we create high performance sensing solutions for any environment.”

Our Mission-
“Utilizing over three decades of experience, we will continue to earn industry's confidence by providing the highest quality temperature sensors through teamwork and innovation.”

Since 1977 QTI has designed and manufactured PTC and NTC thermistors of superior quality. Millions of QTI brand thermistor temperature sensors and probes have been used for mission critical applications from deep below the ocean’s surface to the outer reaches of space. For more information, please click on the links below.

Standard Purchase Order Quality Assurance Clauses - QT05006-021

ITAR registration letter

Standard Terms and Conditions

Intertek AS9100 Quality System Certificate


RoHS Compliance Statement

REACH Compliance Statement

NIST Traceability Statement

Conflict Minerals Policy

Conflict Mineral (CFSI) Reporting Template 5.10

NSF Certification