http://www.bidstick.com/
2. UpperBid.com
http://www.upperbid.com
3. Auction Yard
http://www.auctionyard.com
4. eBay
http://www.ebay.com
5. BidHere
http://www.bidhere.com
6. uBid Online Auction
http://www.ubid.com
7. Swoopo
http://www.swoopo.com
8. WeBidz
http://www.webidz.com
9. Bidz.com
http://www.bidz.com
10. Auction Fire
http://www.auctionfire.com