Rat-alog, LLC  
   Markets products for pet rats and rat-related merchandise for their owners. Provides links, specials, and contact information.
   http://www.rat-alog.com/

Rat Hammocks  
   Offers hammocks in a number of patterns. Presents links, pictures of pet rats, and a background of the author.
   http://www.snugglerat.com/

Spoiled Rat-Ten  
   Sells rat hammocks in holiday patterns as well as regular designs. Offers a photograph gallery of pets as well as links.
   http://www.geocities.com/sjppossum/

Rat Lovers' Association  
   Offers food, treats, and supplements for rats as well as odor eliminators. Proceeds benefit domestic rat rescues and educational projects.
   http://www.ratlovers.org/Store/default.htm

Ratty Corner Gifts  
   Custom painted ratty sculpture, pyrographed wood, and leather gifts. Located in the UK.
   http://www.rattycorner.com/

The Rat Warehouse  
   Offers food, treats, hammocks, toys, and other accessories, including home-made and original designs.
   http://www.ratwarehouse.com