5002 on Tokyo Stock Exchange

Showa Shell Sekiyu

Logo: Royal Dutch Shell, Public domain, via Wikimedia Commons3

Japanese petroleum company, 1985 to 2018

Showa Shell Sekiyu K.K. (昭和シェル石油株式会社, Shōwa Sheru Sekiyu kabushiki gaisha) was a Japanese company that operated as a subsidiary of Royal Dutch Shell until it was acquired by Idemitsu Kosan in 2018 and integrated into the company the following year. It was formed by the merger of Showa Oil Company and Shell Sekiyu which was begun around 1876 in Yokohama by Samuel Samuel & Co, the predecessor of Shell Group today.2 From Wikipedia, CC BY-SA 4.0

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Last updated Oct 16, 2026.

Overview

Jan 1, 1985Founded1

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  • Ticker5002 on Tokyo Stock Exchange1
  • Industrypetroleum industry1
  • HeadquartersMinato1
  • Websitewww.showa-shell.co.jp
  • Legal formkabushiki gaisha1
Shell in Japan
Photo: Kakidai, CC BY-SA 3.0, via Wikimedia Commons4

Showa Shell Sekiyu K.K. (昭和シェル石油株式会社, Shōwa Sheru Sekiyu kabushiki gaisha) was a Japanese company that operated as a subsidiary of Royal Dutch Shell until it was acquired by Idemitsu Kosan in 2018 and integrated into the company the following year. It was formed by the merger of Showa Oil Company and Shell Sekiyu which was begun around 1876 in Yokohama by Samuel Samuel & Co, the predecessor of Shell Group today.2

The story

Founded by Samuel Samuel & Co on Jan 1, 1985.1

Products and brands

  • bitumen
  • fuel
  • liquefied natural gas
  • lubricant

Listed on Wikidata.1

Subsidiaries and ownership

Parent company

Owners

Subsidiaries

  • Solar Frontier

Former owners and parents

  • Royal Dutch Shell Group of Companies Jan 1, 1985 to Apr 1, 2019

From Wikidata.1

Acquisitions

  1. Succeeded Shell Sekiyu1
  2. Succeeded Showa Sekiyu1

Revenue over time

As stated on Wikidata, in the currency reported.

Revenue

  • 2015$28.3B1

Timeline

  1. Dec 30, 2020Dissolved Dissolved1
  2. Apr 1, 2019Acquired Acquired by Idemitsu Kosan1
  3. Jan 1, 1985Founded Founded1
  4. Jan 1, 1985Acquired Acquired by Royal Dutch Shell Group of Companies1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
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  4. 4