Madservs is one of the best display networks for companies that are new to this form of advertising.

The platform focuses on serving high-quality display ads to publishers with minimal website traffic. It offers personalized support and optimization services to maximize ad revenue for publishers. Madservs typically works with established publishers and content creators with little traffic requirements.

I have attached a screenshot with pleasant results

They are currently offer a referral bonus for publishers who signed up, if you're interested: https://publishers.madservs.com/register/?pic=11&referral=9133