Three-S Co., Ltd
- Security services
- Joint venture of Nippon Kanzai and Secom Co., Ltd.
- Environmental engineering
- Development and sales of energy-saving systems and environmentally-conscious systems
Japan Property Solutions Co., Ltd.
- Property management
- Major property management company established through joint investment with Mitsubishi UFJ Trust and Banking Corporation and others
Nippon Kanzai Environment Service Co., Ltd.
- Environmental business services
- Water and sewer facility operation, maintenance, and management, sewage processing facility operation, maintenance, and management, and other services Specialized environmental services
Nippon Kanzai Service Co., Ltd.
- Building management and operation, inspection services, parking facility operation
- Building and related facility maintenance and security, worker dispatching, parking facility operation, and other businesses
NS Corporation Co., Ltd.
- Event and creative production, building and real estate management
- Joint venture of Nippon Kanzai and Shiseido Company, Limited
- Condominium and building comprehensive management
- Management association operational support, accounting, building facility maintenance and management