Facebook [ http://www.facebook.com/advertising/ ]

Advertising Age [ http://adage.com/ ]

Cluetrain Manifesto [ http://www.cluetrain.com ]
Urging corporations to speak in a human voice and join in the global conversation that the Internet enables. Advocating openness and other changes in corporate body language.

MarketingProfs.com [ http://www.marketingprofs.com ]
Offering tutorials and articles on web and offline strategic marketing.

Market Wire [ http://www.marketwire.com ]
Provides comprehensive distribution of corporate press releases and media advisories to newspapers, broadcast outlets, consumer and trade publications, and other media.

WPP Group [ http://www.wpp.com ]
Advertising and communications group providing services to local, multinational, and global clients.

Lowe Worldwide [ http://www.loweworldwide.com ]
Built on a belief that creativity pays.

Texas Advertising [ http://advertising.utexas.edu/world/ ]

UX Magazine [ http://www.uxmag.com ]
Magazine providing news, articles, and analysis into the world of user experience.

About.com: Marketing [ http://marketing.about.com ]
Articles and links for marketing strategy, plans, careers, and jobs.

Wieden + Kennedy [ http://www.wk.com ]
Independent, creatively led advertising agency the exists to create strong and provocative relationships between companies and their consumers.

Brandchannel.com [ http://www.brandchannel.com ]
Online exchange about branding. Brandchannel.com is committed to providing a global perspective on brands.

Young & Rubicam [ http://www.yr.com ]
Global marketing and communication enterprise with integrated services in advertising, perception management and public relations, identity and designs, sales promotion, direct marketing, and healthcare communications.

TNS Global [ http://www.tnsglobal.com ]
Market research company providing business information and research solutions to international clients.

Lovemarks: The Future Beyond Brands [ http://www.lovemarks.com ]
Official site for the book by Kevin Roberts on how some companies transcend brands and create an emotional connection with consumers.

Nua Ltd. [ http://www.nua.ie ]
Specialises in building and managing online relationships and brands for large organisations already committed to the Internet.

Sponsorship.com [ http://www.sponsorship.com ]
Source for sponsorship information, including sponsorship consulting services, event marketing publications, educational seminars, and sponsorship intelligence.

Tribal DDB [ http://www.tribalddb.com ]
Interactive agency combining BMP DDB's Tribal DDB and Billco Digital Design whose practice areas include consulting, marketing, and e-commerce.

Cossette Communication Group [ http://www.cossette.com ]
Integrated communication marketing firm.

Epsilon [ http://www.epsilon.com ]
Provides database and e-marketing services.