4.) Vault-Tec (Fallout 3)
Why am I hating on a company who creates vaults to shelter humanity from the apocalyptic wasteland? Well, that's not entirely the reason why Vault-Tec created these vaults. It turns out that they wanted to do various experiments on humans. One was to study society in isolation, another dabbled with clones, and there was even a virtual reality simulator that's messed up.
