SEOpros.org http://www.seopros.org/
Organization of SEOs and marketing consultants developing and implementing a set of best practices for the search engine optimization industry. Includes a database of consultants, consumer tips, SEO skills sets and complaint registry.
Site Toolbox http://www.sitetoolbox.com/
Provides web site promotion suite for a monthly fee. Includes email marketing, banner impressions, and search engine submissions.
Advertising, Banners, and Exchanges