(CNN/Money) Some of the biggest brands in the U.S. had ads running on the YouTube channels for far-right website InfoWars and its founder, notorious conspiracy theorist Alex Jones, and they say they had no idea YouTube was allowing their advertising to appear there.

Last week, YouTube reprimanded the conspiracy theory site and Jones for violating its community guidelines after a video posted to The Alex Jones Channel, InfoWars' biggest YouTube account, claimed student anti-gun activists were actors.

Now YouTube and Jones' channel on it are in the spotlight again. CNN has discovered ads on InfoWars' channels from companies and organizations such as Nike (NKE), Acer, 20th Century Fox, Paramount Network, the Mormon Church, Moen, Expedia (EXPE), Alibaba (BABA), HomeAway, the NRA, Honey, Wix and ClassPass.

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