Has there ever been an attempt at solving the problem with a cooperatively owned retailer? They're a little old school but useful for changing markets that are

Has there ever been an attempt at solving the problem with a cooperatively owned retailer? They're a little old school but useful for changing markets that are dysfunctional, and overcoming a lack of capital by allowing members to combine their (individually too small) means. Similarly, are there groups where people with these interests communicate about how frustrated they are?