| AdForum: Portal to the advertising, marketing and communications industry, with direct links agencies in many countries. |
| AdFree: A business marketing directory offering links for advertising and education. |
| AdHub: Advertising agencies and marketing resources for Upstate New York USA. |
| AdPeople: Providing those interested in advertising, its science and everyday issues. Also find media people, creatives, marketers, directors and owners of ad agencies. |
| Advertising Database: A searchable database American brands and their media planning agencies. Contains names, direct dials and current data within the year. |
| Advertising Exposure: Search engine and directory of internet advertising resources that are free or low in cost. |
| Advertising Red Books: Information for thorough research on advertising agencies and advertisers worldwide. 100 years of history within the industry. |
| Agency ComPile: Comprehensive up-to-date directory of marketing communications agencies, offers a searchable database of the advertising, public relations, direct marketing, sales promotion and media buying agencies. |
| Agencyfinder.com: Internet resource and no-fee professional consulting service for client and agency matchmaking. |
| American Agencies In America: Directory of selected advertising agencies in the United States and Canada, sorted by major cities. Site includes profiles, direct links to ad agencies and listings of industry job opportunities. |
| American Directory of Creative Services: Provides a comprehensive list of US advertising and creative professionals and resources categorized by city and state. Includes links to media resources and organizations. |
| BtoB Online Directory: Business-to-Business advertising and marketing directory. |
| Direct Response Marketing Guide: Directory of companies involved in the infomercial and direct response marketing industries. |
| Directory of Advertisers and Marketers: An interactive showcase of advertising and marketing companies sorted by region and types of services offered. Links to registered companies are provided. |
| Electronic Commerce AS Ltd.: Global multilingual business directory and advertisement services and Classified Advertisements Services. |
| Greenbook: Worldwide directory of marketing research and focus group companies and services. Detailed company information. |
| Internet Advertising Guide.: Providing information and resources for Internet advertising and web traffic. |
| MarketingHub: Searchable database of marketing experts, organized by topics and categories of expertise. |
| Media Directory: Provides advertising media information on newspapers, magazines, television, cable, radio, online and out-of-home properties in the United States. |
| Paintedcows.com: Advertising and marketing resource. |
| Pittsburgh Creative Web Directory: A listing of advertising agencies, graphic design firms, and public relations agencies in the Pittsburgh area. |
| Raleigh Advertising Agencies: Directory of advertising agencies in the Raleigh, Durham, Cary area. |
| SIC NAICS Codes: Provides complete databases of SIC and NAICS codes to assist in target marketing. |
| Silicon Valley Creative Directory: Provides a comprehensive list and links of Silicon Valley creative resources for all aspects of marketing. |
| Small-Budget-Advertising.com: Small budget advertising and marketing resources including online, Christian advertising, ebooks and more. |
| The Marketer's Portal: A directory of over 5,500 hand picked links to sites of use and interest to marketing and media professionals. It includes a communications timeline and 20 news feeds. |
| TopIdeas.com: Catalog, search engine, promotion and rating system for new ideas, products, inventions, advice and shared knowledge. |
| Utah Advertising Agencies: Advertising agencies in Utah with direct links to listed agencies. |
| WARC.com: Searchable database of over 25,000 articles, case studies and summaries from 30 global content sources. Includes daily industry news service, advertising data & statistics and best practice papers. |
| World's leading source of PR information: Contact information for PR, marketing, advertising, sponsorship and corporate hospitality sectors. |