|1967||Nobuo Nakagawa , founder (current chairperson ), launched a business to sell petroleum products under the name of Nakagawa Shokai .
Established Nakagawa Bussan Co., Ltd.
|1971||Opened Handa Yanabe SS, a directly-managed store, in Handa, Aichi.|
|1974||Established Chunichi Bussan Co., Ltd.|
|1978||Opened Odaka IC SS, a directly-managed store, in Nagoya, Aichi.|
|1980||Opened Tokoname Nagamine SS, a directly-managed store, in Tokoname, Aichi.
Opened Kokaguchi SS, a directly-managed store, in Shima, Mie.
Established Chunichi Oil Sales Co., Ltd.
|1983||Acquired Marunaka Kosan Co., Ltd., and started to operate Nakagawa Canal Oil Terminal .|
|1987||Acquired Nagoya Oil Terminal of Cosmo Oil, and Marunaka Kosan started to operate the oil terminal.|
|1990||Established Nakanihon SHOUJI Corporation.
Established Marunaka Transport Co., Ltd.
|1992||Opened Self Yanabe IC SS, a distribution outlet, in Handa, Aichi.|
|1996||Opened Kamezaki SS, a directly-managed store, in Handa, Aichi.
Opened Taketoyo SS, a directly-managed store, in Taketoyo-cho, Chita-gun, Aichi.
Started to import petroleum products after the abolishment of the Provisional Measures Law on Importation of Specific Kinds of Petroleum Refined Products.
|1997||Obtained a license to import and distribute gas oil.
Opened Kariya Shinden SS, a directly-managed store, in Kariya, Aichi.
|1998||Opened Tobishima SS, a distribution outlet, in Tobishima-mura, Ama-gun, Aichi.|
|1999||Completed the Head Office building and moved the headquarters functions from Handa to Nagoya (current address).
Acquired Tomen Energy Co., Ltd. and started its operation under the new name of Toyo-Energy Co., Ltd.
|2000||Established N Two Bussan Co., Ltd.|
|2001||Capitalized on S-OIL Corporation (South Korea).|
|2003||Established Osaka Branch Office and started the operation of Osaka Sakurajima Oil Terminal .
Established Nakagawa Bussan Korea Co., Ltd . (current C&S Energy Co., Ltd.).
|2004||Rented part of an oil terminal from Toho Gas Co., Ltd. and started the operation of Nagoya Second Oil Terminal .
Registered a trademark of N-OIL, an SS brand of the company.
Established N Holdings Co., Ltd.
Established Tokyo Branch Office
|2005||Launched a new business to sell base oil.
Established Central Stream Marine Corporation.
Established Central Stream Shipping Corporation.
|2006||Opened Self Kamishigehara IC SS, a directly-managed store, in Chiryu, Aichi.|
|2007||Established CS Maritime Co., Ltd.
Constructed two ocean-going tankers, “CS CRANE” and “CS SUMMER,” and CS Maritime started their operation.
|2008||Opened Self Handa IC SS, a directly-managed store, in Handa, Aichi.|
|2010||Formed a business alliance with S-OIL Corporation (South Korea).
Sold shares in three affiliates of Toyo-Energy Co., Ltd.
|2011||Established Onsan Tank Terminal Co., Ltd. (OSTT).|
|2012||Closed Nakagawa Canal Oil Terminal.
Opened an oil terminal in Onsan area, Ulsan, South Korea.
|2013||Launched a new business to sell asphalt.|
|2016||Full-scale entry into the small delivery business for heavy industrial machine fuel.
Began to sell "NBF",the original brand heavy industrial machine fuel.
|2017||Opened self Yokkaichi Shiohama SS, a directly managed store in Yokkaichi, Mie.
Opened self Owariasahi SS, a directly managed store in Owariasahi, Aichi.