Communism is literally workers owning the means of production.
Worker co-ops have the workers owning the means of production.
Richard Wolf is a professor of economics. He talks a lot about the different ways a state can be communist. I’d recommend checking him out. (Misspelled his name in the above comment)
The main way he advocates is with democracy at work.
There’s been a bunch of cultures that refute that idea, but they have a hard time fighting off moooaaaar types of cultures. Humans can be almost anything. Good or bad