If you are a publisher or blogger, you’ll want to check out some of these ad networks to help monetize your site.  Beyond traditional banner advertising, we have also profiled video ad networks and networks with targeted demographics.  Earlier this week, ComScore released its August 2010 video rankings including video ad networks.

Large ad networks

24/7 RealMedia – Requires a minimum of one million page views per month. 400 billion global advertising impressions served every month. http://www.247realmedia.com/
AdBrite
– Offers display/contextual ads. Reach of 100 million online visitors. http://www.adbrite.com/
Advertising.com
– Primarily display/banners and media buys. Owned by Platform-A. Reaches 91% of all US internet users. http://www.advertising.com/
BidVertiser
– Offers contextual and banner ads. http://www.bidvertiser.com/
Burst Media
– Focused on banners/display/media buys. Mixture of CPM and CPC. Advertises to a range of 4700 sites. http://www.burstmedia.com/
BuySellAds
– Offers fixed monthly prices based on average impressions. http://buysellads.com/
Clicksor
– Primarily banners. Totals 3 billion ad impression per month. http://www.clicksor.com/
Technorati
– Focused on banners. Reaches 248+ million unique visitors. http://technoratimedia.com/
Tribal Fusion
– Media buy banner network and entirely CPM. Requires a minimum of 60,000 impressions for each ad space. Reaches over 230 million people per month worldwide. http://www.tribalfusion.com/
ValueClick Media
– Focused on banners, display/media buys. Reaches 172 million unique users. http://www.valueclickmedia.com/
Vibrant Media
– Primarily inline contextual/rich ads and media buys. Reaches 170 million unique visitors. http://www.vibrantmedia.com/

Mobile Ad Networks

AdMob – Focused on mobile ads and now owned by Google. Over 200 billion impressions served so far. http://www.admob.com/
mSnap
– Displays ads via SMS text messages on mobile phones. Able to reach 200 million consumers. http://www.msnap.com/

Video Ad Networks

Brightroll – Focused on media buys and banners/video. More than 100 million unique viewers. http://www.brightroll.com/
Scanscout
– Video ads designed to be placed into publisher’s own video content. Reaches 85 monthly uniques and delivers +500M streams per month. http://www.scanscout.com/
SpotXchange
– Focused on media buys and banners/video. http://www.spotxchange.com/
Tremor Media
 - Leading online video monetization and advertising company, provides brand advertisers with in-stream and in-page video advertising solutions to top tier publishers.  Over 192 million unique visitors per month. http://www.tremormedia.com/

Targeted Demographics

Break Media – Powered by Adify, and targets audiences of males age 18-34. Requires at least 100,000 page views per month. Over 100 million unique visitors a month. http://breakmedia.break.com/
Glam
– Focused on media buys and display ads for primarily female audiences. Requires at least 100,000 pages views per month. Reaches over 80 million viewers every month in the US and 164 million users worldwide. http://www.glammedia.com/

B2B

BBN Networks – High-end B2B publishers and advertisers. Reaches 35 million monthly unique users. http://bbnnetworks.com/
Bizo
– Seems focused on the B2B space. Emphasis on a targeting and optimization system. Reaches over 30 million unique business users http://www.bizo.com/

Search / Text / CPC Ads

Chitika – Focused on search related contextual display ads. Reaches ver 2 billion monthly impressions across more than 80,000 websites. http://chitika.com/
Clickbooth
– CPM, CPC, and CPA campaigns. Requires at least 1,000 “unique page views” per month. Owned by IntegraClick. http://www.clickbooth.com/
Google Adsense
– The king. https://www.google.com/adsense/
Kontera
– Primarily inline contextual text ads. Reaches 100 Million Monthly Uniques. http://www.kontera.com/

Image by Asif Akbar from Stock.Xchng