Mailbox Merchants, located in Portland, Ore., is one of Northwest s leading independently owned shared mail providers. Founded in 1995 as a subsidiary of Signature Graphics, it is a commercial printing and solo mail company. The company specializes in providing shared mail advertising services to more than 2,000,000 residential addresses in over 25 regional markets in several Northwestern states. Mailbox Merchants offers its clients a wide range of services from product design and printing, to final distribution through various solo and shared mail products. The company, in association with Signature Graphics, provides a variety of custom printed products, such as postcards, single sheets, tabloids, multipage coupon books and newspaper inserts.