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UL Quality, Compliance and Learning's Headquarters

202 Carnegie Center
Suite 301
Princeton, NJ 08540
609-627-5300
609-627-5330 (Fax)

United Kingdom

Wonersh House, The Guildway, Old Portsmouth Road
Guildford, Surrey
GU3 1LR
United Kingdom
+44 (0) 7741265663

Houston, TX

3700 Bay Area Blvd
Suite 550
Houston, TX 77058
281-709-0900
281-709-0907 (Fax)