Generations Press  
   Detailed city maps of late 19th and early 20th century city and town plans. Also a limited selection of regional map reproductions from central and eastern Europe.
   http://www.generationspress.com/

Village Atlas  
   Reproductions of British and French county and military historical maps for genealogists, family and local historians.
   http://www.village-atlas.com

Border Art  
   Genealogy maps of Ireland, Scotland and the English borders.
   http://www.borderart.com/

Gold Bug  
   Offers a large selection of reproductions of early maps.
   http://www.goldbug.com/

Genealogy Unlimited  
   Genealogical books, forms, and supplies; historical, topographic, and modern European maps; and archival supplies.
   http://www.genealogyunlimited.com/