Here are my top two that are missing.
https://wetvr.com/
https://hookuphotshot.com/
They'd probably need some help on best practices for VR video shooting though.
Like the importance of correct POV (camera mounted where the actors eyes are in the scene, and not above his head or on his bellybutton.
Lethal Hardcore and the latest SLR Originals have the best VR shooting techniques I've seen so far.
Perhaps you could do a "best practices" video tutorial for new studios (and old ones too).