|1924||NAKAGAWA HIDETARO & CO. was founded as a limited joint-stock company, to serve as an importer and a sole distributor of special steel products for Jonas and Colver, a British special steel manufacturer.|
|1927||Osaka Branch was opened.|
|1931||Reorganized as NAKAGAWA HIDETARO & CO., LTD.|
|1940||Selected as one of 11 designated distributors for special steel by the Ministry of Commerce & Industry.|
|1943||Selected as a designated agent by the Industrial Provisions Administration and the Commerce Administration for storage, classification, transportation and distribution of special steel.|
|1947||Selected as a designated agent by the Ministry of Commerce and Industry's Special Materials (special steel) Management Committee for regulating, receiving, storing and distributing of special steel from wartime stockpiles.|
|1951||Shinagawa Warehouse was opened.|
|1958||Nagoya Branch was opened.|
|1962||Sapporo Branch was opened.|
|1963||Nagoya Sorami Warehouse was opened.|
|1965||A steel storage warehouse was completed in Sapporo's Kotoni Steel Industrial Park.|
|1974||Constructed Nakagawa Tsukiji Building in Tsukiji in commemoration of its 50th anniversary.|
|1984||Changed the company name to NAKAGAWA SPECIAL STEEL INC. in commemoration of its 60th anniversary.
Kitakanto Steel Distribution and Processing Center was completed in the Rokken Industrial Park, Kazo-shi, Saitama Pref.
|1987||Steel processing facilities were added to Kitakanto Steel Distribution and Processing Center and operations started.
Kurashiki Office was opened.
|1994||Built Tennoz Central Tower Building in Tennoz Isle in commemoration of its 70th anniversary.|
|1996||NAKAGAWA SPECIAL STEEL (THAILAND) CO., LTD. was established in Bangkok, Thailand.|
|2003||NAKAGAWA SPECIAL STEEL AMERICA INC. was established in Detroit, USA.|
|2004||A steel processing factory was established in Chonburi, Thailand in commemoration of its 80th anniversary.|
|2005||NAKAGAWA SPECIAL STEEL SHANGHAI INC. was established in Shanghai, China.|
|2006||NAKAGAWA SPECIAL STEEL INDIA CO. PVT. LTD. was established in New Delhi, India.|
|2010||NAKAGAWA SPECIAL STEEL VIETNAM CO., INC. was established in Hanoi, Viet Nam.
Hiroshima Office was opened.
|2011||PT. NAKAGAWA SPECIAL STEEL INDONESIA was established in Jakarta, Indonesia.
NAKAGAWA SPECIAL STEEL (ZHENJIAN) CO., LTD. was established in Zhenjiang, China.
A steel processing factory was established in Hanoi, Viet Nam.
|2013||"Tennoz Pier" was completed at Tennoz canal.
Central New Otemachi Building was opened after renovations.
|2014||NAKAGAWA SPECIAL STEEL MEXICO S.A. DE C.V. was established in Irapuato, Mexico in commemoration of its 90th anniversary.
CI（Corporate Identity）was introduced.
|2015||PT. NSSI INDUSTRY INDONESIA was established in Jakarta, Indonesia.|
|2016||Head Office was relocated to Akashicho, Chuo-ku, Tokyo (Tsukiji), same area as the previous location.|
|2018||Constructed TSUKIJI CENTRAL SQUARE – HOTEL KEIHAN TSUKIJI GINZA GRANDE in Tsukiji, Tokyo.|