Tootoo is another web site in this niche.
Here's their spiel:
Tootoo.com is the third generation of online business-to-business (B2B) platforms, combining an international trade portal with vertical search engine technology to provide the complete trade solution for suppliers and buyers.
Our unrivaled search technology doesn't rely on a database of registered clients, but instead gets the results you want from all B2B networks and trade portals on the World Wide Web. Whether searching by product, industry, or company name, Tootoo.com's unbiased results let you compare potential trading partners easily and efficiently.
With over 8 million foreign trade suppliers and 3 million international buyers in our network, Tootoo.com has become a trusted platform for international companies to find what they want: either supplies or customers. This is because Tootoo.com has no bias towards buyers or suppliers, so that all the results returned are ordered by relevance and quality, not on how much sponsorship a company gives. Tootoo.com is already the leading B2B search engine in the world, so start searching today.