I don't think those kinds of details matter to a government looking to start yet another trade war, though. The list is based on the question "what legally European tech companies do business in America, sorted by income".
But yes, legally speaking, FAANG is also EU, same way Volkswagen is an American company. That's not really how people tend to talk about these companies, though.
Google, Meta, Microsoft do a lot of R&D un Europe. Google more so than the others. I wouldn’t be surprised if Apple had substantial R&D in Europe as well, although I couldn’t name specific sites like the first three. Maybe you meant big corp instead of FAANG specifically?
I mean, I know it's headquartered in Germany. But why is it targeted here? Is it because it was once American?