US Dept of Labor

Occupational Safety & Health AdministrationWe Can Help

Current List of NRTLs

  • Certification Mark for CSA
    Canadian Standards Association (CSA)
    • 178 Rexdale Boulevard
    • Etobicoke, Ontario M9W 1R3
    • Canada
    More
  • Certification Mark for Curtis-Straus
    Curtis-Straus LLC (CSL)
    • One Distribution Center Circle, Suite#1
    • Littleton, Massachusetts 01460
    • United States
    More
  • Certification Mark for FM
    FM Approvals LLC (FM)
    • 1151 Boston-Providence Turnpike
    • Norwood, Massachusetts 02062
    • United States
    More
  • Certification Mark for IAPMO
    International Association of Plumbing and Mechanical Officials EGS (IAPMO)
    • 5001 East Philadelphia Street
    • Ontario, CA 91761
    • United States
    More
  • Certification Mark for ITSNA
    Intertek Testing Services NA, Inc. (ITSNA)
    • 545 East Algonquin Road, Suite F
    • Arlington Heights, Illinois 60005
    • United States
    More
  • Certification Mark for MET
    MET Laboratories, Inc. (MET)
    • 914 West Patapsco Avenue
    • Baltimore, Maryland 21230
    • United States
    More
  • Certification Mark for CCL
    Nemko-CCL (CCL)
    • 1940 West Alexander Street
    • Salt Lake City, Utah 84119
    • United States
    More
  • Certification Mark for NSF
    NSF International (NSF)
    • 789 North Dixboro Road
    • Ann Arbor, Michigan 48105
    • United States
    More
  • Certification Mark for QAI
    QAI Laboratories, LTD (QAI)
    • #16-211 Schoolhouse Street
    • Coquitlam, British Columbia V3K 4X9
    • Canada
    More
  • Certification Mark for QPS
    QPS Evaluation Services Inc.
    • 81 Kelfield Street, Unit 8
    • Toronto, Ontario, M9W 5A3
    • Canada
    More
  • Certification Mark for SGS
    SGS North America, Inc.
    • 620 Old Peachtree Road
    • Suwanee, Georgia 30024
    • United States
    More
  • Certification Mark for SWRI
    Southwest Research Institute
    • 6220 Culebra Road
    • Post Office Drawer 28510
    • San Antonio, Texas 78238
    • United States
    More
  • Certification Mark for TUV
    TUV Rheinland of North America, Inc.
    • 12 Commerce Road
    • Newtown, Connecticut 06470
    • United States
    More
  • Certification Mark for TUVPTL
    TUV Rheinland PTL, LLC
    • 2210 South Roosevelt Street
    • Tempe, Arizona 85282
    • Unites States
    More
  • Certification Mark for TUVAM
    TÜV SÜD America Inc.
    • 10 Centennial Drive
    • Peabody, Massachusetts 01960
    • United States
    More
  • Certification Mark for TUVPSG
    TÜV SÜD Product Services GmbH
    • Ridlerstrasse 65
    • D-80339 Munich
    • Germany
    More
  • Certification Mark for UL
    Underwriters Laboratories Inc.
    • 333 Pfingsten Road
    • Northbrook, Illinois 60062
    • United States
    More










  • Organizations or Sites No Longer Recognized
    •  
    •  
    •  
    More
Back to Top

Thank You for Visiting Our Website

You are exiting the Department of Labor's Web server.

The Department of Labor does not endorse, takes no responsibility for, and exercises no control over the linked organization or its views, or contents, nor does it vouch for the accuracy or accessibility of the information contained on the destination server. The Department of Labor also cannot authorize the use of copyrighted materials contained in linked Web sites. Users must request such authorization from the sponsor of the linked Web site. Thank you for visiting our site. Please click the button below to continue.

Close