Online Certifications Directory

IMPORTANT NOTE: Many company registrations formerly available on this site have been transferred to UL DQS Inc. Please access those registrations at http://www.dqsusa.com/.

The UL Registered Firms directory contains information on companies assessed by UL to various quality and management system standards. Information in the database includes the date the firm was registered, the SIC number and category, the scope of the activity, and the address of the firm.