Marks and Labels

UL is a global leader in testing, inspection, certification, auditing and validation. The UL Mark is the single most accepted Certification Mark in the United States, appearing on 22 billion products annually. Explore more about our Certification Marks below.

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Enhanced and Smart Mark

As UL customers adopt the enhanced Mark for the building and life safety industry, code authorities will be seeing more products utilizing the enhanced Mark.
Click here to learn more about this UL Mark.

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Legacy Marks

All current Listing and Classification Marks can be found through this link. Artwork for each Mark is available for instant download. In addition to the Mark artwork, you will find information about ordering, promoting and using Marks and labels properly.