That's just a few of the organizations they influence. They certainly must be busy since they only have 15 members or so? Their rhetoric makes me absolutely sick!
The Communists perfected the tactic of the "united front" years ago that uses a few of those buggers who train others and so forth. They use force multiplication and radicalization of liberal groups to get their way. It goes back to Earl Browder in the 1930s who got his marching orders from the late Georgi Dimitrov, the then heard of Comintern.