Deus.Ex.Machina Industries (DEM for short), also known as D.E.M Industries or DEM Industry, is a powerful and corrupt PMC conglomerate that governs all economic sectors of planet Earth. They are the only company in the whole world that is able to create the Realizers and are one of the largest (if not the largest) companies in the world. They serve as the true main antagonistic faction in the Date A Live franchise. They appeared as recurring antagonists in the anime and the manga universe, as well as in video games and in the Light Novels. They are based in several parts of the planet and they are one of the largest corporations on Earth.