DNEG (formerly Double Negative) - Nolan movies
MPC - best digital human with Rachael in Blade Runner 2049, The Jungle Book‘s insane environments
WETA Digital - Planet of the Apes franchise, LOTR, basically the kings of Mo-Cap
ILM - perhaps the most influential VFX company, everything Spielberg related, Mummy 99, Pirates franchise, all modern Disney movies