UNIPET
- 1954
- Began trading as Nakagawa Sekiyu Ten in Uchiko, Ehime pref, Japan (Uchiko Station).
- 1966
- Ohzu City Station opened.
- 1972
- Ikazaki Kaito Station opened.
- 1976
- Sugeta Bypass Station opened.
- 1994
- Established Nakagawa FCS Co., Ltd. Matsuyama Minami Station opened.
- 1996
- Matsuyama Higashi Station opened.
- 1997
- Uchiko #2 Station opened.
- 2000
- Established GPR Co., Ltd. Matsuyama Kita Station opened.
- 2001
- Tobe Dobutsu Land Station opened.
- September 2001
- Joint venture of Nakagawa Sekiyu and Nakagawa FCS established as GPR Japan Co., Ltd.
- 2002
- Tokushima Nishi Station opened.
- 2003
- Takamatsu Chuo Station opened.
- 2003
- Mikamo Sennenkusu Station opened.
- 2004
- Imabari Asakura, Uwa Inter, Tokushima Airport Station opened.
- 1st of September 2010
- GPR Japan Co., Ltd. purchased OKs Japan Co., Ltd. (GPR Japan has 24 Station in total)
- 8th of September 2013
- New office in Tsukiji.
- 2014
- Koji Nakagawa is assigned to the executiveof KPN from 1st of April.
- 1st of September 2015
- The company changes its name to Universal Petroreum, trade as Unipet.
- 1st of September 2016
- Universal Petroleum Ltd. purchased UP Matsune (Unipet has 33 Station in total)
- October 2016
- Unipet established Unipet Hong Kong Limited and set up an office in Hong Kong
- Okayama Higashi Station opened (The 34 Station)
- 1st of September 2017
- Unipet Group integrated it"s business : Universal Petroleum Ltd. became a subsidiary and being 100% hold by Unipet Hong Kong Limited
- April 2019
- Satsuma Chou Station opened (Kagoshima Pref., the 35 Station)
- September 2019
- Universal Petroleum Ltd. changed it’s name as Unipet Japan Ltd.
- August 2020
- Chikuho Higashi Station renewal
- February 2021
- 'Unipet Story' is published (Japanese Only)
- February 2021
- Ohzu Station renewal
- April 2021
- Unipet established Unipet Taipei Limited
- April 2022
- Unipet established Unipet Singapore Limited
- May 2022
- Unipet Taipei Limited set up an office in Taipai
- September 2022
- Uchiko #1 Station renewal
- May 2023
- Unipet Singapore Limited will set up an office in Singapore