Underwriters Laboratories
(UL) is the national third party independent verification source for all product life safety certification and commercial fire alarm compliance.  UL benefits the consumers, manufacturers, suppliers, distributors, providers and companies.

UL has designed and developed more than 1000 standards for life safety that is essential to ensure public confidence and safety, reduce costs and improve quality of market products. Each year, millions of products are tested to quality standards so consumers can live in a safer environment than they would otherwise. They also evaluates and certifies the efficiencies of business processes through management system registration programs. UL has been the 3rd party verification compliance organization for 100 years.