| WATCH THEM ALL | COLLECTABLES | COLLECTABLES |
| AuctionWatch | Appraisers | Sports Memorabilia |
| BiddersEdge | ArtTrak.com | Beckett Publications |
| Webflyer Dealwatch | Boos.com | Rotman Auctions |
| DoyleGalleries.com | Sports Auction | |
| AUCTION SITES | Leighkeno.com | |
| Amazon.com | Nostalgia.com | COLLECTABLES |
| Auction Addict | Phillips-Auctions.com | Stamps |
| Auction Port | PrattAntiques.com | Coin Universe |
| Auction Sales | Ragoarts.com | Hunters Auction |
| Auction Universe | Sothebys.com | Teletrade Auctions |
| Bid.com | ||
| C|Net | COLLECTABLES | COLLECTABLES |
| DealDeal.com | Fine Antiques | Toys |
| eBay | Greg Manning Auctions | Collecting Nation |
| EggHead | Gavelnet.com | Mainline |
| First Auction | Tangible Assets | Theriault's |
| Golden Age | ||
| Haggle Online | COLLECTABLES | LUXURY |
| Msn | Pottery, Porcelain, Glass | duPont Registry |
| Onsale | eHammer | |
| SportingAuction | Just Glass | |
| SurplusAuction | Pottery Auction | |
| UBid | ||
| Up4Sale | ||
| Yahoo! Auctions |