|1977||April||SUMIEITO KOSAN founded in Himeji.|
|1987||April||Tokyo Office opens.|
|1989||April||SUMIEITO KOSAN becomes SUMIEITO Co., Ltd. New offices completed in Himeji.|
|1992||July||Industrial waste recycling facility (currently Himeji Resource Recycling Plant) completed in Himeji.|
|1994||April||Chubu Office opens.|
|June||NIKKA SUMIEITO, a 50/50 joint venture with Hitachi Chemical, established.|
NIKKA SUMIEITO completes Main Plant (now Ibaraki Resource Recycling Plant) in Chikusei, Ibaraki Prefectre.
|September||Corporate mission drawn up.|
SlurMix@, a method of recycling that turns industrial waste into alternative fuel,
successfully patented (No. 2594418).
|1999||September||FSC@ certification service begins.|
|2000||April||SUMIEITO Co., Ltd. becomes AMIT CORPORATION. A part of the Himeji Resource Recycling Plant becomes Sumieito Co., Ltd., a wholly owned subsidiary of AMITA.|
|2001||October||AMITA business initiatives win Good Design award.|
|November||AMITA CORPORATION moves head office to Tokyo.|
|2002||June||AMITA joins the UN Global Compact.|
|2003||July||AMITA CORPORATION receives research commission from the New Energy and Industrial Technology Development Organization (NEDO).|
West Japan office opens.
|October||Sumieito and the Himeji Resource Recycling Plant become part of AMITA CORPORATION.|
|2005||April||AMITA CORPORATION absorbs Sumieito subsidiary.|
|July||Institute for Sustainable Economies established.|
|August||Kyotango Resource Recycling Plant established.|
AMITA CORPORATION listed on the Nippon New market Hercules
(which became part of JASDAQ in July 2013)
|MSC certification service begins.|
|November||Nikka Sumieito becomes wholly owned subsidiary of AMITA CORPORATION.|
|2007||April||AMITA CORPORATION merges with (its subsidiary) Nikka Sumieito.|
|2009||February||AMITA Institute for Sustainable Economies Co., Ltd./ AMITA Eco Brain Co., Ltd./ Tobimushi Inc. established.|
|2010||January||AMITA HOLDINGS Co., Ltd. established|
AMITA CORPORATION establishes Kawasaki Resource Recycling Plant.
|June||AMITA CORPORATION opens Kyushu Office and Kitakyushu Resource Recycling Plant.|
|September||AMITA Institute of Environmental Certification becomes accredited MSC Chain of Custody certifying body.|
|2011||April||AMITA CORPORATION merges with AMITA Eco Brain Co., Ltd.|
AMITA CORPORATION opens Hiroshima Office.
AMITA CORPORATION opens Tohoku Office (in Sendai).
|September||Tobimushi Inc. stocks transferred to AMITA CORPORATION.|
|2012||January||AMITA HOLDINGS main office moved to Kyoto,AMITA corporate mission revised.|
|March||AMITA HOLDINGS opens Minamisanriku Office.|
AMITA CORPORATION establishes Tokai cyclical resource generation centre.
(merged with Gamagori Office in 2014).
AMITA CORPORATION, the AMITA Institute for Sustainable Economies and the AMITA Institute of Environmental Certification move head offices from Sanbancho to Kudan-kita neighbourhood of Tokyo.
AMITA HOLDINGS moves head office from Daimoncho to Akinonocho neighbourhood of Kyoto.
|March||AMITA CORPORATION opens Minamisanriku Office.|
|July||Fudenkan (including AMITA Museum) opens.|
|September||AMITA CORPORATION opens Gamagori Office.|
The AMITA Institute for Sustainable Economies moves head office to Kyoto.
|2015||Januray||The AMITA Institute for Sustainable Economies opens Himeji Office.|
AMITA HOLDINGS and the AMITA Institute for Sustainable Economies officially move head offices from Tokyo to Kyoto.
AMITA CORPORATION absorbs the AMITA Institute of Environmental Certification.