12. Thearf.org
The ARF is the premier foundation in the advertising industry for creating, aggregating, synthesizing and sharing knowledge.
http://www.thearf.org

13. Adverlab.blogspot.com
Advertising Lab blog follows the future of advertising technologies and media since 2004.
http://adverlab.blogspot.com

14. Clicksor.com
Promote your business with today's most effective online advertising technology, contextual advertising at a cost effective metric of CPC, PPC, CPM or CPV.
http://www.clicksor.com

15. Adleaf.com
AdLeaf - Online Free Advertising Community. We serve millions of free advertising impressions for bloggers, businesses and website owners without PPC advertising. Also, understand your web traffic metric better and watch your traffic grow with Adleaf.
http://www.adleaf.com

16. Advertisingz.com
Online Advertising services for publishers and advertisers
http://www.advertisingz.com

17. Theadvertisingclub.org
Sponsorship Opportunities The ADVERTISING Club Foundation Advertising Person of the Year/ Silver Medal Award Membership has its Benefits Not a Member? Join Today! 1. Networking - Prepare to Schmooze. Meet creative superstars, brilliant planners and
http://www.theadvertisingclub.org

18. Nationwideadvertising.com
Nationwide newspaper classified and display advertising in newspapers nationwide. nationwide advertising in daily and weekly newspapers and online classified advertising.
http://www.nationwideadvertising.com

19. Spoonbend.com
Spoonbend is an Austin advertising and Austin marketing agency that blends engaging design with innovative strategy to produce compelling marketing collateral. Through traditional and non-traditional communications, we enhance your customers’ brand
http://www.spoonbend.com

20. Elistz.net
Freeads, classifed adds, post free classified ads with photo. Help u sell, buy, advertise or promote with free internet web site advertising.
http://www.elistz.net