Local Search Optimization …………..Directories
| ALK | LSSI | YellowPageCity |
| Allpages.com | Mapquest | YellowPages.com |
| AOL | Menu Network | Yelp |
| Ask Local | Merchant Circle | YP.com |
| Assist Guide | Mobio Networks | Zenrin |
| Beanpool.com | MojoPages | Zingy |
| ByteIT | MSN Local | |
| Citysearch | Onboard | |
| Collarity | Onecallnow | |
| Deep Data | Onstar | |
| Denso | OpenList | |
| Dex | Quebecor/Canoe | |
| Disney | RMS | |
| Electronic Directories (Yellow Pages) | Search Bug | |
| Fave Media | Search Initiatives | |
| Go2 | Spock | |
| Google Maps/Local | SuperPages | |
| Hellometro.com | Switchboard.com | |
| iBegin | TeleAtlas | |
| Idearc | Tellme | |
| InfoNXX | Telmap | |
| Infospace | Topix | |
| infoUSA | TrueLocal | |
| InsiderPages | V-Enable | |
| JVC | viaMichelin | |
| Kudzu | Vogue | |
| LiveDeal | Whitepages.com | |
| Local.com | Yahoo! | |
| Localmatters.com | YellowBook | |
| Lowrance/Navico | YellowBot |