• DoubleClick - allows highly targeted ad campaigns across multiple web sites with a single buy.
• Fastclick - offers a network as well as tools for serving, tracking, and reporting of online campaigns and user statistics.
• Unicast - specializes in superstitial advertising. Creating rich media ads which pre-load into cache before playing.
• MaxWorldwide - media company with expertise in both traditional direct marketing and online marketing. Formerly known as L90.
• EyeWonder - provides streaming video and audio technology for online broadcasting and rich media advertising without downloading media players or plug-ins.
• Advertising.com - offers banner ads, web site advertising, and marketing services.
• BURST! Media - providing advertising sales and management services.
• RankYou.com - offers opt-in email ads, transfer pages, customized email lists, and banners.
• Point Roll - offers a suite of online advertising technologies designed to enhance Internet marketing campaigns.
• #0001 Active Internet Marketing, Inc. - offers Internet marketing and advertising solutions for websites of all sizes.
• 00ads.com - offers banner ads, search engine preparation and submission, targeted e-mail programs, and pay per click campaigns.
• 1st Biz Promotions - offers Internet, multimedia marketing, and promotions for businesses.
• AADCOM - services include opt-in e-mail, targeted banners, and more.
• Ad Resource - web advertising and online marketing resources.
• Adfluence - offers internet marketing, interactive banners and design, GIF enhancement, and more.
• AdQuantum.com - offers advertising, pay-per-click and banner exchange network, and more.
• Advergrams.com - creates dynamic advertisement modules with utility calculators for Internet sites.
• Advertise Globally.net - offers low-cost Internet marketing on search engines.
• Advertising.com - offers banner ads, web site advertising, and marketing services.
• AEC Media Network - advertising network for the architecture, engineering, construction, and real estate industries.
• Affiliate Fuel - specializes in helping website owners generate revenue through the placement of targeted advertising offers.
• Airvertise, Inc. - provides wireless advertising services for a range of non-PC platforms.
• Artbiz Millennium Advertising - offering pooled banner advertising and regular traffic, aimed at small and home based businesses on limited budgets.
• B2BWorks - represents a network of content web sites of business-to-business publishers and trade associations.

• Bannerlab.com
• Beyond Interactive - an interactive advertising agency that handles media planning, banner advertisement and other Internet marketing services.
• BrainFox Media Services - search engine which combines an existing directory with paid listings through their pay-per-click program.
• Broaderweb - Internet advertising directory containing online company profiles, target audiences, advertising rates, web site traffic, and more.
• BURST! Media - providing advertising sales and management services.
• Classified Group, Inc. - offering classified advertising software for publishers.
• ClickHouse.com - network for targeted banner advertisement and Internet marketing.
• ClicksBroker - where web businesses can buy, sell, and bid for visitor traffic directly from each other.
• Digital Harvest Media - offering business-to-business advertising and consulting.
• DoubleClick  - allows highly targeted ad campaigns across multiple web sites with a single buy.
• Eleytheria - features Ebar, a floating toolbar and advertisement that stays open on the users screen.
• Eyeblaster - offers a rich media ad serving and management platform that allows web publishers, advertising agencies, and advertisers to create and manage online ad campaigns.
• EyeDezine - online marketing agency offering advertising, public relations, web design and hosting, graphic design, and consulting services.
• EyeWonder - provides streaming video and audio technology for online broadcasting and rich media advertising without downloading media players or plug-ins.
• eZula - makers of ContextPro and TopText, software to turn keywords on webpages into advertising links.
• Fastclick - offers a network as well as tools for serving, tracking, and reporting of online campaigns and user statistics.
• GIN Ad Network - specializes in clients targeting logistics and global trade.
• Gold Fox Internet - specializes marketing campaigns for the new economy using coordinated online activities and offline press and advertising.
• Hagen Software, Inc. - developer of e-Classifieds, a classified ads software program for web sites.
• Hamster Advertising - offers pay per click-through advertising and sponsor programs for webmasters.
• HerAgency.com - representing an ad network of women-oriented web sites for banner, mailing list, and sponsorship revenue opportunities.
• Home Office On-Line - sells classified ad systems for Web sites.
• I-clicks Network, The  - pay-per-click banner network.
• InsideCollege.com - application service provider of classified advertising solutions for college newspapers.
• InterCon Group, Inc. - specializing in internet advertising.
• Internet Advertising Bureau - devoted to promoting the use and effectiveness of advertising on the Internet.

• Internet Advertising Bureau (IAB) Canada - association seeking to direct and shape Internet advertising and marketing in Canada.
• Internet Advertising Service - where industry professionals will give you a free, detailed critique on your advertising. Also info on becomming a member of IAS.
• iWeb.com - provider of the iNotes messaging medium, enabling the delivery of targeted advertisements and information to consumerýs screens.
• Ketchum Directory Advertising - provides information and services for placing ads in Internet yellow pages.
• Lead Click - offers Internet advertising services including lead generation, web promotion, online marketing, opt in email campaigns, and more.
• MatchCraft, Inc. - facilitates web-based purchasing and selling of online media.
• MaxWorldwide - media company with expertise in both traditional direct marketing and online marketing. Formerly known as L90.
• Mediaplex - technology firm specializing in digital advertising, customer relationship management, and agency management.
• Medium21 - web advertising agency offering Internet marketing, website promotion, and lead generation services.

Nelson and Company - advertising firm offering web site and search engine optimization services and graphic design for print, multimedia, and web.

• Off The Chart Marketing
• Onflow - offering creative designers technology to author banner, interstitial, and full screen ads while online.
• Pegasus Ad Network - provides targeted advertising and branding opportunities across entertainment and performing arts web sites.
• Point Roll - offers a suite of online advertising technologies designed to enhance Internet marketing campaigns.
• Pop-Up Exchange - providing pop-up advertising for the internet. Includes company information, registration, and network support.
• PopupAd.net - advertising network serving pop behind advertising windows.
• RankYou.com - offers opt-in email ads, transfer pages, customized email lists, and banners.
• Spidertop, Inc. - develops advertising solutions for online businesses, interactive agencies, and web design firms.
• Spotcast Communications, Inc. - offers targeted mobile phone advertising services.
• Surf+ - browser plug-in that controls pop-ups and cookies, and converts keywords on webpages into advertiser links.
• TeknoSurf.com - offers direct marketing services to companies with an Internet presence.
• TMPExpress - online advertising network specializing in the delivery of pop-under ad units.
• Townsend & O'Leary Advertising - advertising agency that understands internet marketing and brand building.
• Traffic Ace  - offers pop-up advertising and website promotion.