Government-affiliated agencies such as central government ministries, independent administrative corporations.

Prefectual and city governments, local municipalities.

Electric power companies, gas companies.

Iwatani International Corporation, Wacoal Corporation, Tsuzuki Denki Co., Ltd., Japan Tobacco, Kansai International Airport Building, Kiyo Bank, Ltd.

Life insurance companies, nonlife insurance.

Kyodo news, Tokyo University, Kumamoto University, Tokyo University of Marine Science and Technology, NPO Mirai Ariake・Shiranui, Sensei Ikenobo, Dentsu, Inc..