I've been with Mediavine before as well as Ezoic and I prefer Monumetric the very best. Mediavine basically forced tons and tons of ads on my pages and Ezoic is too tricky to set up and do well. Monumetric does it all for me and I love my rep!!
Mad Ads Media - Mad Ads Media offers optimization and monetization for small to mid-sized websites.
Ezoic - Improve & test ads, layouts, & content using artificial intelligence to increase website ad revenue & UX metrics. Google Adsense & Google Publishing Partner
AdRecover - AdRecover Makes Reaching Adblock Users Easy
Mediavine - Mediavine offers full service ad management including display ad optimization, video monetization and sponsored influencer marketing. We're here to help content creators build sustainable businesses.
ylliX - A true international ad network!
AdThrive - AdThrive is an ad optimization solution just for bloggers.