Sure - I can think of several prop futures firms in Chicago that do well.
Long gone are the days on the futures side where they take newbies and train them - that disappeared about 15 or so years ago.
I am not terribly familiar with the equity prop firms, but I do know that the “pay and learn” business model became quite controversial several years ago and some firms and the practice in general came under regulatory scrutiny as some bad actors were withdrawing what were supposed to be trading account funds under the guise of “training fees”. Be very careful.