NAPT is accredited by a leading accreditation body. To view NAPT's scope of accreditation please click here.

After a thorough assessment, NAPT has been found to meet the requirements of International Standard ISO/IEC 17043: 2010 Conformity assessment-General requirements for Proficiency Testing, which includes the principles of ISO 9001:2008. Therefore, in recognition of a successful evaluation process, accreditation was granted to NAPT.

Our accreditation includes Dimensional, Electrical, Mechanical, RF Microwave, Thermodynamic, and Time/Frequency, thus giving us the ability to offer ILC/PTs for numerous sub-disciplines. Please review NAPT’s scope to view all available sub-disciplines.

As the largest proficiency testing provider to the metrology community we will be adding disciplines to our Scope of Accreditation as the needs of the community dictate.

While we are very proud of our accreditation, we believe there is more to being a proficiency testing provider than just being accredited. NAPT prides itself on being the first provider to offer proficiency tests to the metrology community and the only non-profit association dedicated to ensuring your needs are met.

Every day our members share with us why they use NAPT. After becoming fully informed, you too, will be convinced that NAPT is the best choice for your organization. 

Click here to download our current accreditation certificate