Think Machine

Think Machine was a pre-War company that made vault computer control systems.

Background
Think Machine had two known systems that were used in vaults near Washington, D.C. Think Machine 2800x was used in Vault 106, while Think Machine 3600r was used in Vault 112. It is also mentioned in the Vault Dwellers survival guide that Vault 13 uses Think Machine as its computer control system.

Appearances
Think Machine is mentioned only in Fallout 3.

Behind the scenes
The name is a reference to a real-world corporation Thinking Machines, a supercomputer manufacturer that was headquartered in Cambridge, Massachusetts.