In fiscal 2011, we certified as an excellent 3R activity site.

In Yokohama City, we honor daily activities for establishments or organizations of establishments that have made remarkable achievements in the separation and discharge of business waste and 3R activities (reduction control, reuse, recycling). Certified as an excellent 3R activity establishment to serve as a model for business establishments.
At Kannnai Hall on Sunday, November 13, 2011, 31 business sites were certified at the Yokohama Environmental Action Award Yokohama 3R Dream "Promotion Ceremony".

• Iriso Electronics Industry Co., Ltd. Iriso Technology Park (Kohoku Ward)
• Kyocera Corporation Yokohama Office (Tsuzuki Ward  )
• Kirin Brewery Co., Ltd. Yokohama Plant (Tsurumi Ward)
• JVCKENWOOD Hakusan Plant (Midori Ward)
• Head Office, Yokohama Office (Kanagawa Ward)
• Shiseido Co., Ltd. Research Center Kanazawa (Kanazawa Ward)
• Shiseido Co., Ltd. Research Center Shin-Yokohama (Tsuzuki Ward  )
• Yokohama Office (Sakae Ward)
• Sumitomo Electric Industries Ltd. Yokohama Plant (Sakae Ward)
• Tokyo Gas Co., Ltd. Ougishima Plant (Tsurumi Ward)
• Ofuna Branch Office (Sakae Ward) Toshiba Microelectronics Center
• Toyo Seikan Kaisha, Ltd. Yokohama Plant (Tsurumi Ward)
• Tressa Yokohama (Kohoku Ward)
• Nissan Motor Co., Ltd. Global Headquarters (Nishi Ward)
• Nissan Motor Co., Ltd. Yokohama Plant (Kanagawa Ward)
• Panasonic Corporation Automotive Systems (Tsuzuki Ward  )
• Panasonic Mobile Communications Co., Ltd. (Tsuzuki Ward  )
• Hitachi Consumer Electronics Co., Ltd. Yokohama Plant (Totsuka Ward)
• Ferris Jogakuin University (Izumi Ward)
• Form Co., Ltd. (Kohoku Ward)
• McNica Corporation (Kohoku Ward)
• Yokohama Plant (Kanazawa Ward) Mitsubishi Heavy Industries Ltd.
• Mitsubishi Heavy Industries Ltd. Honmoku Plant (Naka Ward)
• Murata Mfg. Co., Ltd. Yokohama Plant (Midori Ward)
• MeijiSeika Pharma Co., Ltd. Yokohama Research Institute (Kohoku Ward)
• Yokohama Grand Intercontinental Hotel (Nishi Ward)
• Yokohama International Peace Conference Center, Pacifico-yokohama (Nishi Ward)
• Yokohama Sky Building Co., Ltd. (Nishi Ward)
• Yokohama Foreign Trade Building Co., Ltd. (Naka Ward)
• Yorozu Co., Ltd. (Kohoku Ward)
• Ricoh Central Research Laboratory Co., Ltd. (Tsuzuki Ward  )