Tokyo 2020 signed a "Memorandum of Understanding" with the Tokyo 2020 Olympic and Paralympic Games Security Joint Venture. The joint venture was set up by SECOM CO., Ltd., and SOHGO Security Services (ALSOK), both of which are official partners of Tokyo 2020 in security and planning services.
The objective of the Memorandum of Understanding is to implement a nationwide security structure and "entrust security services in Tokyo, Saitama, Chiba, Kanagawa and other areas."
Original Source: Tokyo 2020 International Communications Team