123 Print
Offers custom printed business cards, banners, letterheads, envelopes, postcards and greeting cards. Includes store and samples.
http://www.123print.com

Independent Publishers Group
The first organization specifically created for the purpose of representing titles from independent presses to the book trade.
http://www.ipgbook.com/

Sterling Finishing, Inc.
A trade shop offering bindery and finishing services for the graphic arts industry.
http://www.sterlingfinishing.com/