InfiniDim Enterprises was the company that took over the publishing of the travel guide The Hitchhiker's Guide to the Galaxy for the Vogons in the fifth book in the Hitchhiker's series by Douglas Adams: Mostly Harmless. They moved the Guide offices to the planet Saquo-Pilia Hensha, completely changing the aesthetic of them in the process. It was run by Vann Harl, the editor-in-chief.
Millions were spent on the company name. InfiniDim bought out the Guide with the intention of running it like a business and, in Vann Harl's words, "getting it on its feet". Harl thought that the galaxy was changing, and the market along with it, and InfiniDim wanted to exploit the multidimensional nature of the Universe to cut down on manufacturing costs. Instead of selling to hitchhikers, the plan was to sell to the average affluent business traveller and his vacationing wife, and sell to them in a billion, billion different futures. They considered their plan to be radical, dynamic and thrusting business venture in the entire multidimensional infinity of space time probability, ever.
InfiniDim still had room for long-standing members of staff, however, and invited Ford Prefect to stay on as a restaurant critic, as they would value his input. Ford's reaction to this offer, and the changes being made at the Guide, was to order Vann Harl's towel to kill him.
- The Guide Mark II.