Company History

June 15, 1981Established Kennan Eisei Kogyo Co., Ltd.
November 1976Developed Hazaka Plant and started Kennan Eisei Kogyo as a private business
January 1978Acquired license for Industrial Waste Disposal Operator
June 1981Incorporated as Kennan Eisei Kogyo Co., Ltd.
November 1984Developed Hazaka Plant and completed 4 lanes
October 1991Sato Hog Farming Facility introduced a Hazaka Plant in Ogawara-machi, Shibata-gun, Miyagi Prefecture to process excreta
November 1994Increased capital to 26 million yen
February 1995Akita Agricultural Public Corporation introduced a Hazaka Plant in Akita-shi, Akita Prefecture
May 1995Acquired license for general construction business (Cleaning facility construction business)
June 1995Received the Chairman’s Award as a company recognized for rendering distinguished service from the National Federation of Industrial Waste Management Associations
September 1995Completed garage and research buildings (Hazaka Plant Research Center)
December 1995Hokkaido Agricultural Public Corporation introduced a Hazaka Plant in Hamatonbetsu-cho Hokkaido
October 1996Received Chairman’s Award from the Recycling Promotion Conference as a company recognized for rendering distinguished service to the promotion of recycling
May 1997Saitama Prefectural Livestock Experiment Station introduced a Hazaka Plant
February 1998Acquired license for specified construction business (Cleaning facility construction business)
July 1998Acquired patent “Method for treating organic waste matter”
October 1998Received award from the Director General of the Tohoku Regional Bureau, Ministry of Land, Infrastructure and Transportation for improving the performance in the promotion of recycling construction waste
September 1999Received the Tohoku New Business Grand Prize Award from the Tohoku New Business Conference
August 2000Introduced a Hazaka Plant in Tosa-cho, Kochi Prefecture
January 2001Registered sludge fermentation fertilizer “Hazaka Compost”
February 2001Fukui Agricultural Public Corporation introduced a Hazaka Plant in Ono-shi, Fukui Prefecture
August 2001Miyagi Prefecture Sewerage Corporation introduced a Hazaka Plant in the Abukuma Sewerage Treatment Plant
September 2001Introduced a Hazaka Plant in Reihoku-machi, Kumamoto Prefecture
December 2001Introduced a Hazaka Plant in Kinpo-cho, Kagoshima Prefecture
June 2002eceived the Excellent Local Business Establishment Award from the National Federation of Industrial Waste Management Associations
November 2002Introduced a Hazaka Plant in Oya-cho, Hyogo Prefecture
March 2004Fukawa Yokei Agricultural Cooperative Association introduced a Hazaka Plant in Nagato-shi, Yamaguchi Prefecture
January 2005Introduced a Hazaka Plant in Toyoura-cho, Hokkaido
January 2005Heiwabussan Co., Ltd. introduced a Hazaka Plant in Sukagawa-shi, Fukushima Prefecture
August 2005Fuji Foods Corporation introduced a Hazaka Plant in Nikko-shi, Tochigi Prefecture
December 2005Ishiigumi Co., Ltd. introduced a Hazaka Plant in Tochio-shi, Niigata Prefecture