Providing reliable and cost-effective accredited calibration to Los Angeles County, Ventura County, Santa Barbara County and Santa Clarita County since 1992.
At QSI we take calibration seriously—that’s why we're ISO/IEC 17025 accredited. This accreditation demonstrates our commitment to precision measurement, rigorous quality control, and industry-leading expertise.
At Quality Surveillance, Inc. we combine the personalized service of a local provider with the resources and reliability of a national network.
Powered By Accredited Labs
As part of the Accredited Labs family, we bring you industry-leading calibration services backed by ISO/IEC 17025 accreditation, advanced technology, and a commitment to precision.
Customer-Centered Service
We prioritize clear communication, consistency, and reliability—ensuring your equipment is calibrated accurately, on time, and with minimal disruption to your operations.
Tailored Solutions for Your Industry
Our expert team takes the time to understand your unique calibration needs, providing customized support to keep you compliant and performing at your best.
Send us a list of the equipment you need calibrated, and we’ll provide a tailored quote with clear pricing—no hidden fees.
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Schedule Your Calibration
Choose a convenient time for a mobile or on-site equipment calibration. Our certified technicians ensure precision and compliance with ISO/IEC 17025 standards.
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Stay Compliant & Audit-Ready
Receive detailed calibration reports and certification, giving you peace of mind for audits and operational excellence.
