Offset printers for marketing materials
1-800 Postcards http://www.1800postcards.com (212) 271-5505
4by6 http://www.4by6.com
ADG Printing http://www.adgprinting.com
Americans Printer http://www.AmericasPrinter.com
Club Flyers http://www.clubflyers.com 800-433-9298 Postcards, flyers, and more. Minimum quantity 5000.
Copy Craft http://www.copycraft.com
1,000 cards for $149 ($20 shipping) and optional back printing for $59. 1-800-794-5594Color Q http://www.colorqinc.com Caters only to the fine art market and specializes in four-color offset lithography printing. 1-800-999-9818
Custom Postcards Direct http://www.custompostcardsdirect.com
GFX Printing Services http://www.gfxinc.com 905-828-7399
Modern Postcard http://www.modernpostcard.com 1-800-959-8365
The Print Guide http://www.theprintguide.com links to many companies that print postcards