National Voluntary Laboratory Accreditation Program (NVLAP) is a National Institute of Standards and Technology (NIST) program in the USA which provides an unbiased third-party test and evaluation program to accredit laboratories in their respective fields to the ISO 17025 standard. NVLAP is in compliance with ISO 17011.
Accredited laboratories
Calibration
Dimensional
Electromagnetics - DC low frequency
Electromagnetics - RF/microwave
Ionizing radiation
Mechanical
Optical radiation
Thermodynamic
Time and frequency
Chemical calibration
Chemical calibration: providers of proficiency testing
Chemical calibration: certifiers of spectrophotometric NTRMs
Dosimetry
Ionizing radiation dosimetry
Reverse osmosis with applied heat during deionization.
Electromagnetic compatibility and telecommunications
Environmental
Asbestos fiber analysis (PLM test method) Asbestos fiber analysis (TEM test method)
Fasteners and metals
Fasteners and metals program
Information technology security
Common Criteria Testing Laboratory (CCTL) Cryptographic Module Testing Program (CMTP)