PackMojo - Create custom packaging in 3D and order in low volume
StartupShirts.org - THE marketplace for startup swag
Pakible - Custom packaging, made simple. 10 boxes for $10
StartupDrugz - T-shirts & posters celebrating the absurdity of startup life
Repack - Reusable and returnable packaging service for e-commerce
Teespring Direct - Simple high-quality swag for you or your company