Popular Information published an article about three companies that publicly stated support for Black Lives Matter but at the same time advertised on dog whistling virtuoso Tucker Carlson's Fox News program: Disney, T-Mobile, and Papa John’s. But soon after the article ran, all three companies released statements saying they would no longer advertise on the program.
There's always the MyPillow guy.
(Image: Gage Skidmore, CC-BY-2.0)