Witchcraft Corps (ウィッチクラフト社 Witchikurafuto-sha?) is a corporation creating shikigami ready for use. The level of use of those shikigami ranges from general purposes to military ones. This corporation has lead man-made shikigami accessible to all people.
This corporation was created by Tenma Momoe's Parents and under their guidance, the use of man-made shikigami prospered. Years after Tenma's parents death, the corporation still runs today for manufacturing shikigami.