CPC (cost per click) ad network

Which are the ad networks which pays only and only on CPC model? I know 4 ad networks which has this CPC model but i am not 100% sure.

  1. Admob – above 90% fill rate and on cpc
  2. inmobi – 50% fill rate with banner ads cpc model and interstitials revenue share? (i am not sure on this)
  3. inner-active – 40% fill rate CPC all across
  4. mmedia – 40% fill rate cpc all across

Please send more ad networks which has only CPC for banner and interstitials?