CGTrader - CGTrader is an online marketplace at which artists can sell and buy Revit and 3D models.
Joybuy - Joybuy is a one-stop-shop for all your shopping needs at the best prices in China.
3DOcean - 3D Models & Accessories From $1 for 3D Models, Textures, Materials & Shaders, 2D Concepts...
TurboSquid - TurboSquid offers 3D models for professionals.
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.
SketchUp 3D Warehouse - The place to share and download SketchUp 3D models for architecture, design, construction, and fun.