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
Littleton Distribution Center
One Distribution Center Circle, Suite #1
Littleton, MA 01460
Email

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)
410-354-3300
914 West Patapsco Avenue
Baltimore, Maryland 21230
Email

NSF International (NSF)
800-673-6275
789 Dixboro Road
Ann Arbor, Michigan 48105
Email

QPS Evaluation Services Inc. (QPS)
81 Kelfield Street, Unit 8
Toronto, Ontario, M9W 5A3
Canada

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

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

TÜV SÜD America, Inc. (TUVAM)
978-739-7000
5 Cherry Hill Drive
Danvers, Massachusetts 01923
Email

TÜV SÜD 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

TUV Rheinland PTL, LLC (TUVPTL)
2210 South Roosevelt Street
Tempe, Arizona 85282

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