There's quite a few companies our there. Generally you need to deliver the front and back of the cards in a pre-defined format and size arrangement. Then they print and cut the cards in as many decks as you desire.
A quick google search brings up a pretty sizable selection:
Many local print studio's can probably do the job for you as well.
On Tue, Jul 17, 2012 at 4:13 PM, Ram Srinivasan <vasan.ram@...>
I am looking to get customized Planning Poker(R) / scrum poker cards
(with my company logo). Does anyone know where I can order them?