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NAPT announces the appointment of Christopher Grachanen to the NAPT Board of Directors.

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NAPT Sponsored Kits

Inter-Laboratory Comparisons & Proficiency Testing

NAPT offers over 100 kits and the largest selection of artifacts for calibration/measurement of any provider.

Intra Manager

Design & Management of Custom Proficiency Tests

Does your lab require specialized testing? Intra Manager allows you to design your own proficiency test, or let the NAPT team design a proficiency test for you.

Referral Program

Know someone who would benefit from NAPT membership?

The NAPT referral program offers 35% off of a single kit enrollement or self-managed Intra after a qualified referral. 

With Accreditation Manager Manage Your Accreditation Requirements

Accreditation Manager is a unique management tool designed to assure compliance with accreditation requirements.

American Association for Laboratory Accreditation (A2LA)
ANSI National Accreditation Board
National Voluntary Laboratory Accreditation Program
Perry Johnson Laboratory Accreditation

Why Choose NAPT?

NAPT dares you to compare its services against other PT providers. You'll find NAPT rises to the top every time.

  • 25+ Years of Experience
  • Largest Artifact Selection
  • Industry-Leading Software
  • Convenient Online Portal
  • Full-Time Staff
  • 25+ Years of Experience
  • Largest Artifact Selection
  • Industry-Leading Software
  • Convenient Online Portal
  • Full-Time Staff
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Know someone who would benefit from our services?

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Trusted Worldwide Since 1996

NASA
Essco
Sturtevant Richmont
Mensor LP
Morehouse
Transcat
Measurements International
3M