Domestic Business
1960.09
Established Okada Rock Drill, Co. in Higashi-ku, Osaka and began sales, repair and assembly of pneumatic breakers and other construction machines.
1962.04
Opened the Ogaki branch in Ogaki city, Gifu prefecture.
1968.07
Opened the Tokyo branch in Kita ward, Tokyo.
1969.03
Established the Shigino plant in Joto ward, Osaka city.
1972.02
Opened the Sendai branch in Sendai City, Miyagi prefecture.
1973.02
Established the Higashi Osaka plant in Osaka ward, Osaka prefecture and relocated the Shigino plant.
1977.04
Launched hydraulic breakers on the market.
1978.03
Opened the Nagoya branch in Nishi ward, Nagoya city.
1980.05
Relocated the Tokyo branch (currently Tokyo headquarters) to Itabashi ward, Tokyo.
1980.09
Opened the Morioka branch in Morioka city, Iwate prefecture.
1983.03
Opened the Kanazawa branch in Kanazawa City, Ishikawa prefecture.
1983.09
Changed the company name to OKADA AIYON CORPORATION.
1986.03
Opened the Kyushu branch in Hakata ward, Fukuoka City.
1986.09
Relocated the Morioka branch to Tonan village, Tsukuba district, Iwate prefecture.
1986.11
Opened the Chubu branch in Ogaki City, Gifu prefecture and integrated the Ogaki branch and Nagoya branch.
1987.02
Integrated the head office and Higashi Osaka plant and relocated the head office to Minato ward, Osaka City.
1987.10
Started manufacturing and launched sales of Kowarikun, which is a new line of hydraulic breakers.
1988.04
Relocated the Kyushu branch to Onojo City, Fukuoka prefecture.
1989.04
Opened the Sapporo office in Nishi ward, Sapporo City.
1990.04
Changed the name of Kanazawa branch to Hokuriku branch.
1990.07
Opened the Hiroshima office in Asaminami ward, Hiroshima City.
1992.04
Promoted the Sapporo office to a branch.
1992.08
Listed on the Second Section of the Osaka Securities Exchange.
1993.04
Promoted the Hiroshima office to a branch.
1996.04
Opened the Yokohama branch in Tsuzuki ward, Yokohama City.
1997.04
Opened the Shikoku branch in Matsuyama City, Ehime prefecture.
1999.05
Established AMC Co., Ltd. (affiliated company).
2001.04
Integrated the Kansai branch into the Osaka head office.
2002.02
Established AIYON TECH. CO., LTD. and started manufacturing the TS-W series.
2003.07
Acquired additional stock of AMC Co., Ltd. (affiliated company) to make it a subsidiary. Integrated the Hiroshima branch into the Kansai branch.
2003.10
Merged with AMC Co., Ltd. (subsidiary).
2005.10
Relocated and newly established AIYON TECH. CO., LTD. (subsidiary) to Asaka City, Saitama prefecture.
2007.04
Opened an office in Hiroshima City, Hiroshima prefecture.
2007.10
Relocated and newly established the Kyushu branch in Onojo City, Fukuoka prefecture.
2008.01
Relocated and newly established the Morioka branch in Yahabacho, Shiwa district, Iwate prefecture.
2011.01
Officially registered the TOP New S series in NETIS of the Ministry of Land, Infrastructure and Transport.
2011.04
Integrated the Yokohama branch in Tsuzuki ward, Yokohama City into the Tokyo head office.
2012.05
Relocated and newly established the Hiroshima branch in Hatsukaichi City, Hiroshima prefecture.
2013.07
Listed on the Second Section of Tokyo Stock Exchange.
2013.11
Newly reconstruction of Parts Center and Kansai branch.
2015.04
Opened the Yokohama branch in Tsuzuki ward, Yokohama City.
2015.08
Opened the Tokyo office in Kasumigaseki, Chiyoda ward.
2016.02
Newly reconstruction of Aiyon Tech. Co., Ltd. Building.
2016.03
Moved to the First Section of the Tokyo Stock Exchange.
2016.10
Relocated and newly established the Hokuriku branch in Senkoujimachi, Kanazawa City.
2017.10
The Nansei Machine Co.,Ltd., Nansei Wintech Co.,Ltd., and Akatsuki Kikou Co., Ltd. became group companies.
2019.04
The three companies, The Nansei Machine Co.,Ltd., Nansei Wintech Co.,Ltd., and Akatsuki Kikou Co., Ltd. were integrated.
2019.11
Relocated and newly established the Shikoku branch in Iyogun, Ehime prefecture.
2020.10
Relocated and renamed as Shonan branch in Hiratsuka City, Kanagawa prefecture.
2021.10
Relocated and newly established the Hiroshima branch in Hiroshima City, Hiroshima prefecture.
2022.01
Newly reconstruction of Chubu branch.
2022.04
Transitioned from the First Section of the Tokyo Stock Exchange to the Prime Market due to a review of the market classification of the Tokyo Stock Exchange.
2022.04
Relocated and newly established the Sendai branch in Miyagino-ku, Sendai City.
2023.06
Relocated and newly established the Sapporo branch in Shiroishi-ku, Sapporo City.
2023.10
Opened an office in Kasuga City, Fukuoka prefecture.
2024.04
Integrated certain branches of Nansei Machine Co., Ltd. (subsidiary).
Opened the Kumamoto branch in Kikuchi City, Kumamoto prefecture.
Changed the name of Kyushu branch to Fukuoka branch.
2026.01
Relocated and newly established the Kansai branch in Minato-ku, Osaka City.
2026.04
Opened the Kitakanto branch in Konosu City, Saitama prefecture.
Overseas Business
1993.04
Separated the Osaka head office overseas business section to establish an overseas office.
1996.09
Established BOA, INC. as an affiliate.
2002.12
Additionally acquired stock of the affiliated company BOA, INC. to make it a subsidiary (currently OKADA America, Inc.).
2016.01
Opened the OKADA America, Inc. Texas branch.
2017.08
Established a European office in Rotterdam, the Netherlands.
2019.06
Established a Thailand representative office in Ayutthaya Province, Thailand.
2020.01
Local subsidiary established in Rotterdam, the Netherlands.( Okada Europe B.V.)
2021.06
Okada Aiyon(Thailand)Co., Ltd. established as a joint venture with Yontrakan Machinery Co., Ltd. in Ayutthaya Province, Thailand.
2022.12
Established Okada Midwest, Inc. and acquired business from Thoesen Tractor&Equipment Co., Inc., Chicago Machinery Co. and Thoesen Tractor of Indiana, Inc.
2023.06
Relocated and newly established the head office of Okada America, Inc. in Canby, Oregon.
