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Nationally Recognized Testing Laboratories (NRTL) Nationally Recognized Testing Laboratories (NRTL)
Current List of NRTLs

The following organizations have been recognized by OSHA in accordance with 29 CFR 1910.7 to test and certify equipment or materials (products) requiring approval by certain OSHA safety standards:

Canadian Standards Association (CSA)
(also known as CSA International)
416-747-4000
178 Rexdale Boulevard
Etobicoke (Toronto), Ontario M9W 1R3
Canada

Communication Certification Laboratory, Inc. (CCL)
801-972-6146
1940 West Alexander Street
Salt Lake City, Utah 84119

Curtis-Straus LLC (CSL)
978-486-8880
527 Great Road
Littleton, Massachusetts 01460
Email: certification@curtis-straus.com

FM Approvals LLC (FM)
(formerly Factory Mutual Research Corporation)
781-762-4300
1151 Boston-Providence Turnpike
P.O. Box 9102
Norwood, Massachusetts 02062

Intertek Testing Services NA, Inc. (ITSNA)
(formerly ETL, Inchcape)
800-345-3851
3933 U.S. Route 11
Cortland, New York 13045

MET Laboratories, Inc. (MET)
800-638-6057
914 West Patapsco Avenue
Baltimore, Maryland 21230

National Technical Systems, Inc. (NTS)
978-263-2933
1146 Massachusetts Avenue
Boxborough, Massachusetts 01719
Email: christineb@ntscorp.com

NSF International (NSF)
800-673-6275
789 Dixboro Road
Ann Arbor, Michigan 48105
Email: phillips@nsf.org

SGS U. S. Testing Company, Inc. (SGSUS)
(formerly U.S. Testing/California Division)
973-575-5252
291 Fairfield Avenue
Fairfield, New Jersey 07004
Email: lizette.urena@sgs.com

Southwest Research Institute (SWRI)
210-684-5111
6220 Culebra Road
Post Office Drawer 28510
San Antonio, Texas 78228

TUV America, Inc. (TUVAM)
978-739-7000
5 Cherry Hill Drive
Danvers, Massachusetts 01923
Email: info@tuvam.com

TUV Product Services GmbH (TUVPSG)
49-89-5008-4335
Ridlerstrasse 65, D-80339
Munich, Germany

TUV Rheinland of North America, Inc. (TUV)
203-426-0888
12 Commerce Road
Newtown, Connecticut 06470

Underwriters Laboratories Inc. (UL)
847-272-8800
333 Pfingsten Road
Northbrook, Illinois 60062

Wyle Laboratories, Inc. (WL)
256-837-4411
7800 Highway 20 West
P.O. Box 077777
Huntsville, Alabama 35807
Email: service@hnt.wylelabs.com

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Page last updated: 10/01/2008