Lulu.com
Lets you publish and sell print-on-demand books and e-books, online music and images, custom calendars and books.
http://www.lulu.com/

Membership Card Printing
Earth Kards manufactures all kinds of cards that are recycled, compostable, biodegradable, or otherwise environmentally friendly.
http://www.earthkards.com/

PrintPlace.com
Professional online printing company for quality and affordable printing services, best prices and fast turnarounds. Business cards, brochures, postcards, posters and catalogs available online.
http://www.printplace.com/