PackMojo - Create custom packaging in 3D and order in low volume
StartupDrugz - T-shirts & posters celebrating the absurdity of startup life
Pakible - Custom packaging, made simple. 10 boxes for $10
StartupShirts.org - THE marketplace for startup swag
Teespring Direct - Simple high-quality swag for you or your company
Die Cut Templates - Generate custom professional packaging templates in seconds.