Question: Where can I find Occupational Safety and Health Administration (OSHA) information on Nationally Recognized Testing Laboratories (NRTL)?

Answer:

OSHA's Nationally Recognized Testing Laboratory (NRTL) Program recognizes private sector organizations as NRTLs, authorized to determine that specific equipment and materials ("products") meet safety requirements in OSHA standards.

Additional OSHA information on Nationally Recognized Testing Laboratories and a list of can be found on OSHA's web page for NRTLs.