3D Hubs - Airbnb for 3D printing
3D Hubs HD - High definition local 3D printing
Shapeways - Shapeways - 3D Printing Service and Marketplace
Form 2 - The most advanced desktop 3d printer ever created
i.materialise - i.materialise is an online 3D printing service, community and marketplace.
Live Home 3D - Live Home 3D is home design software for floor plan creation and 3D visualization that suits both amateurs and professional designers.