| 1961 |
株式会社協立有機工業研究所として設立(東京都中央区日本橋) |
| 1961 |
Established as Kyoritsu Co., Ltd. (Nihonbashi, Chuo-ku, Tokyo) |
| 1963 |
寒川工場竣工 |
| 1963 |
Samukawa Plant in operation |
| 1964 |
本社移転(東京都中央区銀座) |
| 1964 |
Relocated headquarters (to Ginza, Chuo-ku, Tokyo) |
| 1965 |
大阪出張所開設 |
| 1965 |
Opened Osaka branch |
| 1969 |
徳山出張所開設 |
| 1969 |
Opened Tokuyama branch |
| 1970 |
茅ヶ崎研究所竣工 |
| 1970 |
Chigasaki Laboratory in operation |
| 1972 |
山口工場竣工 : 徳山出張所移転、山口出張所として開設 |
| 1972 |
Completed construction of Yamaguchi Plant : Relocation of Tokuyama sub-branch, reopened as sub-Yamaguchi branch |
| 1973 |
茅ヶ崎工場(現神奈川工場)竣工 |
| 1973 |
Chigasaki Plant (present Kanagawa Plant) in operation |
| 1974 |
仙台出張所開設 |
| 1974 |
Opened Sendai sub-branch |
| 1975 |
仙台・富士・名古屋・小倉出張所を営業所に改称 |
| 1975 |
Changed name of Sendai/Fuji/Nagoya/Kokura sub-branches to “sales offices” |
| 1976 |
本社移転(東京都中央区銀座)銀座菊池ビルへ |
| 1976 |
Relocated headquarters (Ginza, Chuo Ward, Tokyo) to Ginza Kikuchi Building |
| 1977 |
東北協立株式会社設立 |
| 1977 |
Established Tohoku Kyoritsu Co., Ltd. |
| 1978 |
東北協立株式会社 百石工場(現 青森工場)竣工 |
| 1978 |
Momoishi Plant, (present Aomori Plant) in operation |
| 1979 |
札幌営業所開設 |
| 1979 |
Opened the Sapporo sales office |
| 1980 |
寒川工場を茅ヶ崎工場(現神奈川工場)に統合 |
| 1980 |
Integrated Samukawa Plant with the Chigasaki Plant (present day Kanagawa Plant) |
| 1987 |
寒川研究所(現湘南研究センター)竣工 |
| 1987 |
Samukawa Laboratory (present day Shonan Research Center) in operation |
| 1991 |
社名を「ハイモ株式会社」に変更 : 東北協立株式会社従業員ハイモに転籍 |
| 1991 |
Changed company name to Hymo Corporation : Transferred the employees of Tohoku Kyoritsu Co., Ltd. to Hymo |
| 1994 |
東京支店開設、仙台・名古屋両営業所統合 |
| 1994 |
Opened the Tokyo branch. Integrated the Sendai and Nagoya sales offices. |
| 1995 |
本社移転(東京都品川区五反田 第28興和ビル) |
| 1995 |
Relocated headquarters (to Kowa Building 28, Gotanda, Shinagawa-ku, Tokyo) |
| 1996 |
大阪営業所移転(大阪市中央区) : 大阪支店に格上げ、山口営業所を統合 |
| 1996 |
Relocated the Osaka sales office (Chuo Ward, Osaka) : Raised status to Osaka branch and integrated with Yamaguchi sales office. |
| 1999 |
小倉営業所移転、福岡営業所に改称 |
| 1999 |
Relocated the Kokura sales office and changed name to Fukuoka sales office |
| 2003 |
ケミカルサイト福岡開設 |
| 2003 |
Chemical Site Fukuoka in operation. |
| 2004 |
機材センター埼玉開設 |
| 2004 |
Opened the Equipment Center Saitama |
| 2005 |
Relocated headquarters (to Kyoubashi 3-chome, Chuo-ku, Tokyo) |
| 2006 |
カヤフロック株式会社から営業譲渡 : 札幌営業所開設 |
| 2006 |
Business transfer from KAYAFLOC CO LTD : Opened the Sapporo sales office. |
| 2010 |
Relocated headquarters (to Kyoubashi 2-chome, Chuo-ku, Tokyo) |
| 2011 |
仙台出張所開設 : 機材センター埼玉移転、平塚テクノセンターに改称 |
| 2011 |
Opened the Sendai sub-branch : Relocated the Saitama Equipment Center and renamed it the Hiratsuka Technology Center |
| 2012 |
仙台出張所を営業所に改称 : 本社移転(東京都品川区五反田 五反田フロント) |
| 2012 |
Changed name of Sendai sub-branch to "sales office" : Relocated headquarters (A-PLACE Gotanda, Nishigotanda, Shinagawa-ku, Tokyo) |
| 2013 |
Relocated headquarters (to Kyoubashi 2-chome, Chuo-ku, Tokyo) |
| 2015 |
大阪支店 移転(大阪市中央区) |
| 2015 |
Relocated Osaka branch (to Yamaguchi Kosan bldg.Honmachi Chuo-ku, Osaka) |
| 2016 |
本社 移転(東京都千代田区丸の内 新国際ビル) |
| 2016 |
Relocated headquarters (to Shinkokusai Bldg, Marunouchi, Chiyoda-ku, Tokyo) |
| 2017 |
名古屋営業所開設 |
| 2017 |
Opened the Nagoya sales office |
| 2019 |
広島営業所開設 |
| 2019 |
Opened the Hiroshima sales office |
| 2020 |
ケミカルサイト福岡の事業範囲を拡充し、福岡工場に改称 : 三菱ケミカル株式会社から高分子凝集剤販売事業譲受 |
| 2020 |
SNF HYMO Co., Ltd. established |
| 2020 |
Expanded Business Scope of the Chemical site Fukuoka and renamed it “Fukuoka Plant” : Transferred Flocculants and Coagulants Business from Mitsubishi Chemical Corporation |
| 2022 |
富士営業所を本社・名古屋営業所に統合 |
| 2022 |
Integrated Fuji sales office with the Headquarters and Nagoya sales office |
| 2026 |
SNFハイモ株式会社設立 |
| 2026 |
Established as SNF HYMO Co., Ltd. (Marunouchi, Chiyoda-ku, Tokyo) |