How many MMA companies are there?
As of May 26, 2018 the top 15 MMA promotions (out of 41 ranked) in the world are: Ultimate Fighting Championship (UFC). Bellator MMA. Absolute Championship Berkut (ACB). Fight Nights Global (FNG). ONE Championship. Rizin Fighting Federation (Rizin FF). Invicta FC (all female MMA). Pancrase.