NAPT is accredited by a leading accreditation body, A2LA. To view NAPT's scope of accreditation please click here.

After a thorough assessment, A2LA has found NAPT to meet the requirements of ILAC Guide 13:Guidelines for the Requirements for the Competence of Providers of Proficiency Testing Schemes”  (based on ISO/IEC Guide 43-1:1997, relevant elements of ISO/IEC 17025:1999, and relevant ISO 9000 Series requirements). 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 the sub disciplines.  

As the largest proficiency tester 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 not only being the first provider to offer proficiency tests to the metrology community but the only non profit association dedicated to ensuring your needs are meet.

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. We would ask that you visit the following pages for more information on why you should be using NAPT as your proficiency testing provider.

 Top Ten Reasons for Using NAPT

 Choosing the right proficiency testing provider