3YOURMIND - Compare professional 3D printing services for free. 3YOURMIND is an additive manufacturing platform for your team to manage your 3D printers and suppliers.
Form 2 - The most advanced desktop 3d printer ever created
i.materialise - i.materialise is an online 3D printing service, community and marketplace.
3D Hubs - Airbnb for 3D printing
Shapeways - Shapeways - 3D Printing Service and Marketplace
Zazzy - Design and sell your own 3D printed jewelry