PrintWithMe - PrintWithMe is a mobile-first printing solution enabling guests to print their documents remotely.
CalPrint - CalPrint uses your existing reminders and calendar entries on your iPad or iPhone (Exchange, iCal and Google Calendars etc.
Printix - Printix is a cloud-based print management platform.
Printer Pro - Print attachments, receipts, documents, web pages from your iPad and iPhone.
MyPrintCloud - MyPrintCloud offers web based printing solutions to businesses across the world.
Print - Developers of application solutions for the iPad & iPhone. 'Printing on the iPhone: “There's an App for that” - Print & Share' as featured in Apple's “Office” iPhone commercial