Road Runner Card Company 
Produces and distributes postcards, calendars, and souvenirs featuring the San Diego area, as well as U.S. Navy and U.S. Marine Corps souvenirs.
http://www.roadrunnerpostcard.com/West Coast Publishing Company
Wholesale distributor of souvenirs, maps, and postcards featuring the Los Angeles area.
http://www.wcpsouvenirs.com/
Rushmore Photo & Gift, Inc.
Postcard and souvenir distributor servicing South Dakota, Wyoming, and western regions of Nebraska and North Dakota. Also offers online sales.
http://www.rushmorephoto.com/
Post Card & Souvenir Distributors Association
Trade association. Includes services, events, and member directory.
http://www.postcardcentral.org/
Natural Color Productions
Publisher and distributor of scenic books, calendars, postcards and souvenirs covering British Columbia, and the Canadian Rockies.
http://www.naturalcolor.com/
It's the Box that Counts
Offers souvenir boxes for gifts and weddings. Company information, photo gallery, press releases and contact information. Based in the Philippines.
http://www.favorboxes.net
