Vault-Tec Corporation

Vault-Tec Corporation is a fictional company from the "Fallout" video game series, known for designing and constructing underground bunkers called Vaults. These Vaults were intended as secure shelters for people in case of nuclear war or disasters, each with unique experiments or purposes. While presented as a technological pioneer, in the series it's revealed that Vault-Tec's true motives included covert experiments on the Vault inhabitants, often with unethical intentions. The company symbolizes corporate secrecy and the dark side of scientific experimentation during wartime.