Nationally recognized

Nationally Recognized Testing Laboratory is the term used by the United States Occupational Safety and Health Administration to identify third-party organizations that have the necessary qualifications to perform safety testing and certification of products covered within OSHA and each organization's scopes. The testing and certification are conducted in accordance with U.

The United States Occupational Safety and Health Administration OSHA requires that 38 different types of products, devices, assemblies, or systems used in the workplace be "approved" i. As part of OSHA's NRTL Program, the recognition is to testing facilities acknowledging that the organizations have the necessary qualifications to perform safety testing and certification of specific products covered within their scopes to provide product safety testing and certification services to manufacturers for use of select types of products, devices, assemblies, or systems.

Note: this list does not include organizations that are no longer recognized. For organizations whose recognition has been terminated, please refer to this list.

Nationally recognized testing laboratory list

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