You will probably be as surprised as I was when you see some of the names in the The top 50 ad Network according to comscore
The top 10 Ad Focus properties also maintained their February rankings with Platform-A, the ad network combining Advertising.com, Tacoda, AOL, and Quigo, leading the ranking in March, reaching 91 percent of Americans online. interCLICK gained 9 spots in the ranking to position 14, reaching 58 percent of the 188 million Americans online. Real Cities Network and YuMe Video Network both entered this month’s rankings in positions 38 and 43, respectively.
The real question would be to rank the 50 advertising networks in terms of revenue rather than rankings.
