Koyasan University Tantric Buddhist Culture, International Association of Shin Buddhist Studies, Japan Association of Religion and Ethics, Research Institute of the Materials of Esoteric Buddhism, Shuchiin University, Doshisha University Center for Interdisciplinary Study of Monotheistic Religions, Nanzan Institute for Religion and Culture, NCC Center for the Study of Japanese Religions, Nippon Christian Academy and Ryukoku University Research Institute for Buddhist Culture are all affiliated as a cooperation group.
協力団体として、高野山大学密教文化研究所、国際真宗学会、宗教倫理学会、種智院大学密教資料研究所、同志社大学一神教学際研究センター、南山宗教文化研究所、NCC宗教研究所、日本クリスチャンアカデミー、龍谷大学仏教文化研究所が加盟。