Directory of Accredited Laboratories


The NVLAP Directory of Accredited Laboratories has moved to https://www-s.nist.gov/niws/index.cfm?event=directory.search


On June 11, 2015, NVLAP launched its redesigned online Directory of Accredited Laboratories. New features include:

  • Downloadable PDF file for every scope and certificate of accreditation;
  • Updated search capabilities, including Keyword search;
  • Real-time updating of information for each accreditation;
  • Search results that you can filter and sort!

Visit https://www-s.nist.gov/niws/index.cfm?event=directory.search!