Underwriters Laboratories, Inc.
Founded in 1894, Underwriters Laboratories Inc. is an independent, nonprofit organization with a rich history of promoting safe living and working environments with the application of safety science and hazard-based safety engineering. UL certifies, validates, tests, inspects, audits, advises, and trains its customers to navigate the growing complexities of regulatory compliance. One of the most common Safety Marks, UL has more than 1,400 safety standards against which it tests millions of products and their components every year.