SBM List

http://www.socialmaximizer.com/
http://www.vmoptions.com/social-networking-list.php
http://socialbookmarksites.in/lists/sites/all/all/date/desc/285
http://www.social-bookmarking-sites-list.net/
http://www.squidoo.com/socialbookmarkingsites
http://www.webdirectorysiteslist.com/
http://www.caroline-middlebrook.com/blog/do-follow-social-bookmarking-sites/
http://www.seomanualsubmission.com/seo-friendly-web-directories.php
http://seoprofessionalsukhjeetranu.blogspot.in/2012/06/high-pr-bookmarking-websites-list_04.html?goback=%2Egde_2496186_member_121324176