Another List of Dofollow social bookmarking sites.

http://1news24.net
http://24asia.net
http://24seo.net
http://24usa.net
http://420us.net
http://71bd.net
http://jessore24.net
http://nestbdit.net
http://ovijatra.net
http://uk71.net
http://us-submit.net
http://us71.net
http://usa-submit.net
http://usa24radio.net
http://us-submit.com
http://social24.us
http://social-bookmark.us
http://dofollow-submit.us