| 1977年04月 |
Founded as SUMIEITO KOSAN in Himeji. |
| 1979年 |
Starts offering solid waste as alternative materials for natural resources. |
| 1986年 |
Starts recycling metal-containing solid waste into usable resources. |
| 1987年04月 |
Opens a sales office in Tokyo. |
| 1989年04月 |
SUMIEITO KOSAN changes its company name to SUMIEITO Co., Ltd. |
| 1990年07月 |
A recycling facility for industrial waste, currently the Himeji Resource Recycling Plant, becomes operational in Himeji. |
| 1992年05月 |
The first issue of WIEDER, a pioneering magazine on environmental information, published. |
| 1994年04月 |
Opens a sales office in Nagoya. |
| 1994年06月 |
Jointly establishes NIKKA SUMIEITO with Hitachi Chemical. |
| 1995年05月 |
NIKKA SUMIEITO's main plant, currently the Ibaraki Resource Recycling Plant, becomes operational in Chikusei, Ibaraki Prefecture. |
| 1995年09月 |
Unveils the corporate mission. |
| 1997年 |
The second Himeji Resource Recycling Plant becomes operational. |
| 2000年04月 |
SUMIEITO Co., Ltd. changes its company name to AMITA CORPORATION. |
| 2001年10月 |
Wins a Good Design award. |
| 2001年11月 |
Relocates its head office to Tokyo. |
| 2002年 |
Assists in establishing an environmental education facility in Kyoto. |
| 2002年06月 |
Signs the UN Global Compact. |
| 2003年07月 |
Wins a commissioned research project from the New Energy and Industrial Technology Development Organization (NEDO). |
| 2004年01月 |
Open a West Japan sales office in Osaka. |
| 2005年07月 |
The Institute for Sustainable Economies established. |
| 2005年08月 |
The Kyotango Resource Recycling Plant becomes operational.(Closed in May 2018) |
| 2006年06月 |
Company stock becomes listed on the OSE Hercules Market, currently the Growth Market on the Tokyo Stock Exchange. |
| 2006年09月 |
Launches an MSC certification service. |
| 2007年 |
Launched the forest dairy farming business. |
| 2009年02月 |
Launches a telemarketing service focused on CSR and environmental solutions. |
| 2009年04月 |
Releases the e-Waste Management System, currently Smart Management. |
| 2010年 |
The Kawasaki Resource Recycling Plant becomes operational. |
| 2010年01月 |
AMITA HOLDINGS Co., Ltd. Established. |
| 2010年04月 |
AMITA Institute of Environmental Certification Co., Ltd. established. |
| 2010年06月 |
AMITA CORPORATION opens the Kyushu Sales Office and the Kitakyushu Resource Recycling Plant. |
| 2010年09月 |
AMITA Institute of Environmental Certification is designated as a certifying body for the MSC chain-of-custody certification. |
| 2011年03月 |
Provides waste-recycling programs in areas affected by the Great East Japan Earthquake. |
| 2011年06月 |
AMITA CORPORATION establishes AMITA TAIWAN CORPORATION. |
| 2011年07月 |
Opens the Tohoku Office in Sendai. |
| 2011年09月 |
Tobimushi Inc. sells its stock to AMITA CORPORATION. |
| 2012年01月 |
AMITA HOLDINGS relocates its head office to Kyoto. |
| 2012年03月 |
AMITA HOLDINGS opens the Minamisanriku Office. |
| 2012年10月 |
AMITA Institute of Environmental Certification is designated as a certifying body for the ASC chain-of-custody certification. |
| 2013年12月 |
Relocates the Group head office to Kudan-Kita in Chiyoda-ku, Tokyo. |
| 2014年01月 |
AMITA HOLDINGS relocates its head office to Nakagyo-ku, Kyoto. |
| 2014年01月 |
AMITA CORPORATION opens the Kyoto Office and a new head office in Tokyo. |
| 2014年01月 |
AMITA Institute for Sustainable Economies opens the Keihoku Office. |
| 2014年07月 |
Opens the Fudenkan museum in Kyoto. |
| 2014年09月 |
AMITA CORPORATION opens the Gamagori Office. (Closed in November 2018) |
| 2014年12月 |
AMITA CORPORATION opens a branch office in Niigata. |
| 2015年03月 |
AMITA HOLDINGS and AMITA Institute for Sustainable Economies relocate their head offices from Tokyo to Kyoto. |
| 2015年04月 |
AMITA CORPORATION acquires AMITA Institute of Environmental Certification. |
| 2015年07月 |
AMITA CORPORATION establishes AMITA ENVIRONMENTAL STRATEGIC SUPPORT（MALAYSIA）SDN. BHD. (AESS for short) |
| 2015年10月 |
AMITA CORPORATION establishes Minamisanriku BIO. |
| 2015年12月 |
AESS establishes AMITA KUB-BERJAYA KITAR SDN.BHD. jointly with KUB BERJAYA ENERGY SDN.BHD. |
| 2016年02月 |
AMITA CORPORATION launches the Sustainable Stage service to assist businesses in achieving sustainable growth. |
| 2016年03月 |
AMITA CORPORATION becomes the first Japanese company to be designated as a certifying body for the ASC aquaculture farm certification. |
| 2016年04月 |
AMITA TAIWAN CORPORATION establishes the Taiwan Resource Recycling Plant. (Decision to close the plant is made in April 2019) |
| 2017年05月 |
Launches the resource-recycling business in Malaysia. The AKBK Sustainable Resource Management Centre, currently AMITA NAZA Sustainable Resource Management Centre, becomes operational. |
| 2018年11月 |
AMITA CORPORATION launches the AMITA Smart Eco service to assist businesses in streamlining environmental management. |
| 2020年06月 |
AMITA CORPORATION relocates its head office to Kanda in Chiyoda-ku, Tokyo. |
| 2021年01月 |
The AMITA Group announces its commitment to becoming a Future Design Company. Launches the Social Design Business to achieve the Group's mission. |
| 2022年03月 |
AMITA HOLDINGS establishes Codo Advisory, Inc. jointly with MCP Japan Holdings Limited. |
| 2023年01月 |
AMITA CORPORATION changes its trade name to AMITA CIRCULAR CORPORATION. Part of the business of AMITA CIRCULAR CORPORATION was transferred to newly established company AMITA CORPORATION through spin off company. AMITA HOLDINGS establishes AMIDAO CORPORATION. The AMITA group implements 32-hour work week to enhance value creation by improving employees' well-being. |
| 2024-04-01 |
AMITA HOLDINGS Tokyo Office, AMITA CORPORATION Head Office, |
| 2024年12月 |
AMITA BERJAYA SDN. BHD. changes its company name to AMITA NAZA SDN. BHD. |
