QAI offers comprehensive calibration services with over 10 years of industry experience. We fully calibrate hand tools and other measurement equipment, ensuring accurate measurements by cleaning, checking for correct operation, and calibrating across the entire range. Specializing in hardness tester calibration and repair, our team includes experienced technicians and industry experts. We also calibrate lengths, diameters, threads, gauges, and more. Trust QAI for professional, timely, and customized solutions.
QAI provides precise calibration services to maintain the accuracy and reliability of your measurement tools and instruments. Our calibration services include:
Additional details are available in our Calibration Services Brochure (PDF).
QAI maintains ISO/IEC 17025 laboratory/testing accreditation with the International Accreditation Service – IAS. On top of that, the QAI Group offers a wide scope of accreditation for multiple industries and types of products.
Check out our full scope of accreditation here.

For more information about our services please contact us at:
📞 USA 888.540.4024 📞 CANADA 877.461.8378

Founded in 1995 by a group of experienced certification and testing experts, QAI is an independent third-party testing, inspection and certification organization which serves the building industry, government and individuals with cost effective solutions through our global, in-house capabilities / services.
QAI is proud to announce that our Code Evaluation Report (CER) services
QAI Laboratories and the Korea Testing & Research Institute (KTR) are
USA 1(888)540.4024
Canada 1(877)461.8378
Europe info@qai.org
China china-info@qai.org
S Korea asia-info@qai.org
This is the content