Megamass is a fictional conglomerate in Denno Coil which primarily makes AR glasses. It is headquartered in Daikoku, and a number of the characters in the series are or have been employed by Megamass, or are relatives of such employees. Megamass is under contract from the Cyberspace Administration.

In addition, it also manufactures the Searchmaton which patrol the city to destroy illegals and paper up access to the Coil Domain.