Top ad carriers in June 2008

Rank Property Audience, 000 Reach %
Total Internet 189,873 100%
1 Platform-A 170,312 90%
2 Yahoo! Network 158,064 83%
3 Google Ad Network 154,419 81%
4 Specific Media 148,311 78%
5 ValueClick Networks 141,915 75%
6 Yahoo! 138,426 73%
7 Tribal Fusion 137,569 72%
8 YuMe Video Network 134,864 71%
9 Google 131,697 69%
10 Casale Media Network 128,569 68%
11 adconion media group 125,339 66%
12 DRIVEpm 122,373 64%
13 interCLICK 118,905 63%
14 Traffic Marketplace 116,267 61%
15 AOL Media Network 110,841 58%
16 24/7 Real Media 109,135 57%
17 MSN-Windows Live 107,272 56%
18 Tremor Media 101,361 53%
19 ADSDAQ by ContextWeb 98,951 52%
20 CPX Interactive 88,911 47%
21 Turn, Inc 87,681 46%
22 Burst Media 84,246 44%
23 AdBrite 81,133 43%
24 Centro 76,733 40%
25 MYSPACE.COM 72,777 38%
26 Collective Media 72,390 38%
27 Vibrant Media 72,080 38%
28 Ybrant – Oridian – ADdynami 71,554 38%
29 NNN Total Newspapers: U.S. 67,530 36%
30 Gorilla Nation Media 66,866 35%
31 Undertone Networks 65,945 35%
32 YOUTUBE.COM 65,482 34%
33 MSN.COM Home Page 56,741 30%
34 EBAY.COM 56,698 30%
35 TattoMedia 56,616 30%
36 IAC Ad Solutions 53,385 28%
37 Ask Network 51,646 27%
38 Kontera 50,216 26%
39 MapQuest 48,422 26%
40 PrecisionClick 46,681 25%
41 AMAZON.COM 46,666 25%
42 NNN Top 25 44,926 24%
43 Business.com Network 44,709 24%
44 Real Cities Network 44,577 23%
45 IB Local Network 40,506 21%
46 FACEBOOK.COM 37,375 20%
47 Quadrant One 37,347 20%
48 EBAY.COM Home Page 37,061 20%
49 The Nabbr Network 37,039 20%
50 Clearspring Widget 36,495 19%
Source: comScore