3D Models Purchase Website?

Hello all,

can you some please recommend me a website where I can purchase a 3D Model of Super market Shelving.

something similar to this image: https://www.google.com/search?q=supermarket+shelving&biw=1920&bih=1043&source=lnms&tbm=isch&sa=X&ei=noucVfu6C8iSoQSX7JLQAg&ved=0CAcQ_AUoAg#imgrc=kpHdEpqqpb1xlM%3A

Any advice would be welcomed.

Thank you in Advanced.

www.grabcad.com