Our Quality System

In mid December, 2023, Proficiency Testing, Inc. was assessed by ANSI National Accreditation Board (ANAB) for accreditation to ISO/IEC 17043:2023.  On February 1, 2024, we are proud and excited to announce our accreditation by ANAB.  Thank to all the ANAB assessors, staff and reviewers for their efforts in a speedy process.