Which website is the biggest B2B platform in the world?

Here is a list of the top B2B web sites in the world.

According to it, number 1 is Alibaba.

There are thousands of B2B business websites register with google. As we all know, all these websites has its own SEO campaign to make their sites visible on google. So, it doesn’t imply that the number on the list is the best. If you are really in to b2b business, it is better that you ask testimonial to the people you have known. Based on my own query my friend suggests http://www.tradove.com/tradenet/logon.php as one of the trusted b2b sites they have ever known. Check their site for you to decide.