i know of livorno, celtic, rayo vallecano, union st gilloise, standard liege, red star paris, bologna (maybe?) and the better version of st pauli babelsberg 03
liverpool, man utd and basically everyother major football club have some socialist history due to it being a working class sport, but it seems that is just history now. the big clubs are all moneygrubbing bastards
Finally a topic I know something about! This is something I’ve spent too much time researching the last few years. You’ve definitely got the major ones in your post but I’ll add a few others that, at least, have antifa ultras:
These are the ones off the top of my head. Italy generally seems to have the most clubs with strong political affiliations, especially compared to England.