Coleman Dynamic Industries (or CDI) was a multi-system megacorporation, founded in New Melbourne on Aldebaran Prime in the year 2120. It had offices on Luna, Mars, Cestus III, Sherman's Planet, Deep Space 9, and other locales. By the 24th century, CDI was the leading civilian firm in the dilithium industry within the United Federation of Planets. In the late 2370s, CDI acquired the holdings of its former chief rival, the Dytallix Mining Corporation. (Star Trek: Pendragon)