ul.com

 
UL is a leader in facilitating global market access and and expert resource for product testing and certification, knowledge services, performance testing, and environmental assessment. Our company has been testing products and leading development of standards for more than a century. UL evaluates more than 19,000 types of products, components, materials and systems annually with 20 billion UL Marks appearing on 72,000 manufacturers products each year. The UL family of companies includes 68 laboratory, testing and certification facilities serving customers in 102 countries.
 
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