1. Display/Media Buys
1.1. Self Serve
1.1.1. www.megaclick.com
1.1.2. www.mochimedia.com
1.1.3. www.sitescout.com
1.1.4. www.pulse360.com
1.1.5. www.google.com/displaynetwork
1.1.6. www.adperium.com
1.2. www.cpxinteractive.com
1.3. www.adbuyer.com
1.4. www.adengage.com
1.5. www.adblade.com
1.6. www.advertise.com
1.7. www.advertising.com
1.8. www.admarketplace.com
1.9. www.contextweb.com
1.10. www.adknowledge.com
1.11. www.admanage.com
1.12. www.casalemedia
1.13. www.rubiconproject.com
1.14. www.valueclickmedia.com
1.15. www.tribalfusion.com
1.16. www.adroll.com
1.17. www.chitika.com
1.18. www.trafficq.com
1.19. www.burstmedia.com
2. Search/PPC
2.1. The Big Three
2.1.1. www.google.com/adwords
2.1.2. http://www.adcenter.microsoft.com
2.2. 2nd Tier
2.2.1. www.miva.com
2.2.2. www.7search.com
2.2.3. www.adskanoodle.com
2.2.4. www.looksmart.com
2.2.5. www.search123.uk.com
2.2.6. www.adbrite.com
2.2.7. www.bidvertiser.com
2.3. In text
2.3.1. www.kontera.com
2.3.2. www.infolinks.com
2.3.3. www.trafficvance.com
3. PPV/CPV
3.1. Top Five
3.1.1. www.trafficvance.com
3.1.2. www.leadimpact.com
3.1.3. www.mediatraffic.com
3.1.4. www.addonnetwork.com
3.1.5. www.directcpv.com
3.2. 2nd Tier
3.2.1. www.clicksor.com
3.2.2. www.adoori.com
3.2.3. www.findology.com
3.2.4. www.jemamedia.com
3.2.5. www.ezanga.com
4. Verticals
4.1. Gaming
4.2. Dating
4.3. Ringtone/IQ Quiz
4.4. 1 Field Submits
4.5. Financial Debt
4.6. Health/Weight Loss
4.7. Insurance
5. Mobile
5.1. Blind Networks
5.1.1. www.mojiva.com
5.1.2. www.inmobi.com
5.1.3. www.buzzcity.com
5.1.4. www.madvertise.de
5.1.5. www.adfonic.com
5.1.6. www.admob.com
5.1.7. www.admoda.com
5.2. Premium Blind Networks
5.2.1. www.greystripe.com
5.2.2. www.millennialmedia.com
5.2.3. www.jumptap.com
5.2.4. www.huntmads.com/?lang=en
6. Social
6.1. www.facebook.com/advertising
6.2. www.ads.pof.com
6.3. www.myads.com
6.4. Twitter
6.4.1. www.sponsoredtweets.com
6.4.2. www.ad.ly
6.4.3. www.izea.com
6.5. App Traffic
6.5.1. www.rockyou.com
6.5.2. www.socialhour.com
6.5.3. www.socialmedia.com
6.5.4. www.advertiser.cubics.com