justsomedude101 Well, RealityLovers and SwallowBay are the only ones I can think of that you might be referring to, unless you're just being hyperbolic.
VR Bangers, VR Conk, Dezyred, VRB Gay, VRB Trans, EvilEyeVR. I'm sure I'm missing some more.
VRSpy: Another label for Alex Nash who already produces for SLR
VRMassaged: Another label for the same producer behind VRedging and VRsolos
PornCornVR: Another label for RealJamVR. Same company, same producers.
VRPlayful is the only new producer on that list as far as I'm aware and they have released just 4 scenes over a period of 6-7 months. As for new studios not on your list, they are all either new labels for existing producers on SLR (e.g. All Anal VR) or not "enormously popular".