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Sales Department
181 N. Vermont Avenue
Glendora, CA 91741
(800) 574-5250
(626) 914-3200
Corporate Headquarters
115 E. University Drive
Arlington Heights, IL 60004
(847) 797-8101
About Us
G.R. Leonard & Company was founded in 1912 by George Russell Leonard, who was born in Nailsworth, England in 1867.