3DEXPERIENCE Make - A platform, created by Dassault Systèmes (Solidworks, CATIA) to connect designers with a qualified panel of manufacturers
3YOURMIND - Compare professional 3D printing services for free. 3YOURMIND is an additive manufacturing platform for your team to manage your 3D printers and suppliers.
Stratasys Direct Manufacturing - Custom 3D printing services.
i.materialise - i.materialise is an online 3D printing service, community and marketplace.
Shapeways - Shapeways - 3D Printing Service and Marketplace
DigiFabster - DigiFabster is a cloud-based CRM & instant quotation platform empowering 3D printing firms.