History
- 1948.03
- Founded as Kokutetsu Sekiyu Niatsukai K.K. in Chuo-ku Tokyo.
- 1948.06
- Renamed as "Sekiyu Niyaku K.K."
- 1949.03
- Deployed first tank truck (3,500L). Commenced petroleum transport operations.
- 1949.04
- Commenced operations at the company's first oil depot.
- 1958.12
- Niyac Labor Union established.
- 1959.05
- Founded Kanto Kosan K.K.(currently Niyac Trading Inc.).
- 1960.11
- Deployed first stainless steel tank trucks. Commenced chemical transport operations.
- 1961.04
- Deployed first LPG tank-truck.
- 1962.02
- Founded Sanyo Drum K.K.(currently Niyac Drum Container Service Inc.).
- 1962.07
- Founded Hanshin Unyu K.K.(merged into Niyac Corporation in 1999).
- 1963.11
- Founded Heiwa Drum Kogyo K.K.(later became Heiwa Kogyo K.K. ,then merged into Niyac Corporation in 2016).
- 1963.12
- Founded Yowa Unyu K.K.(merged into Niyac Corporation in 2008).
- 1965.04
- Founded Yoko Unyu K.K.(currently Yoko Co. Ltd.)
- 1967.10
- Deployed 1,001st tank truck.
- 1967.11
- Became a member of the National Tank Truck Carriers (NTTC) association.
- 1969.10
- Acquired Sankyo Unyu K.K.(later became Chugoku Niyac K.K. ,then merged into Niyac Corporation in 2006).
- 1970.04
- Founded Nihon Chemcal Yuso K.K.(merged into Niyac Corporation in 2008).
- 1973.11
- Deployed 2,001st tank truck.
- 1974.09
- Founded West-Japan Niyac Corporation (later became Kyushu Niyac K.K. ,then merged into Niyac Corporation in 2011).
- 1977.07
- First commemoration tour to Hawaii for drivers having completed 15 years of incident-free driving.
- 1978.04
- Founded Sekiyu Bosai Co. Ltd.
- 1985.07
- Founded Nicom Corporation (currently Niyac System Support Co. Ltd.).
- 1991.07
- Renamed as "Niyac Corporation".
- 1991.10
- Commenced NVOCC operations.
- 1992.04
- Commenced high pressure gas transport operations.
- 1996.12
- Relocated head office to Shiba-Daimon Minato-ku Tokyo.
- 1998.02
- Commenced LNG transport operations.
- 2000.09
- Acquired Aichiken Sekiyu Unyu K.K.(later became Aiseki K.K. ,then merged into Niyac Corporation in 2016).
- 2002.07
- Launched BUSS (Bulk Haul Management Support System).
- 2003.07
- Acquired Kowa Transportation Co.Ltd.
- 2004.06
- Founded Yugen Kaisha Hokuriku Sekiyu Butsuryu.
- 2009.02
- Founded Shanghai Niyac Corporation Co. Ltd.(merged into Shanghai Aqrum Niyac Logistics Co. Ltd. in 2020)
- 2009.05
- Launched Operation Center in Koriyama-City, Fukushima.
- 2009.09
- Acquired MCI Logistics(West),Inc.(currently GasChemical Logistics West Inc.).
- 2010.12
- Acquired high pressure gas logistics business from Sanin Sanso K.K.
- 2011.11
- Relocated head office to Fuyuki Koto-ku Tokyo.
- 2012.04
- Acquired petroleum product logistics business from Taiheiyou Sekiyu Yuso K.K. and Souya Kyoseki Yuso K.K.
- 2012.06
- Acquired high pressure gas logistics business from Teikoku Unyu K.K.
- 2012.06
- Acquired Daikyu Co. Ltd. Commenced foodstuffs transport operations.(merged into Niyac Corporation in 2018).
- 2013.03
- Acquired Toho Unso K.K.(merged into Niyac Corporation in 2015).
- 2013.04
- Launched Yokohama Container Depot, as the one of the largest tank cleaning facility in Japan.
- 2013.06
- Acquired Ikko Konpo Yuso K.K.(merged into Niyac Corporation in 2016).
- 2015.07
- Launched "NCTS" as a training program of cryogenic gas logistics services.
- 2016.01
- Launched Cryogenic Gas Tank Maintenance Facilities.
- 2019.04
- Acquired Hotta Unso Group.(merged into Niyac Corporation in 2023).
- 2019.04
- Acquired high pressure gas logistics business from Seibu Sanso K.K.
- 2020.04
- Acquired Aqrum Chemical Logistics Co.Ltd.(currently Shanghai Aqrum Niyac Logistics Co. Ltd.).
- 2021.07
- Commenced operations at Niyac Gas Engineering Service Co. Ltd.
- 2023.04
- Acquired chemical logistics business operating in Kashima and Chiba area from Kureha Unyu Co. Ltd. and Kureha Unyu Truck Co. Ltd.
