UL, LLC is a global safety certification company headquartered in Northbrook, Illinois. It maintains offices in 46 countries. Established in 1894 as the Underwriters' Electrical Bureau, it was known throughout the 20th century as Underwriters Laboratories and participated in the safety analysis of many of that century's new technologies.
UL is one of several companies approved to perform safety testing by the U.S. federal agency, the Occupational Safety and Health Administration. OSHA maintains a list of approved testing laboratories, which are known as Nationally Recognized Testing Laboratories.
Highest paying job titles at UL include Regulatory Affairs Manager, Account Executive, and Business Strategy Manager