Shapeways - Shapeways - 3D Printing Service and Marketplace
Hotello - Hotello is a SAAS cloud or on premise hospitality management software that manage establishment's day to day operations and customer service.
3D Hubs - Airbnb for 3D printing
Zillioner - Amazon Sellers Profit Metrics Tool with Inventory And PPC Management.
i.materialise - i.materialise is an online 3D printing service, community and marketplace.
Recon Bob - Insight into who you're buying from on Amazon