
Showa Shell Sekiyu Company has its roots in the early 20th century. The company was founded in 1929.
The company started as a small oil refinery in Japan, but it has since grown into a major player in the energy industry. Showa Shell Sekiyu's history is closely tied to the development of Japan's economy and infrastructure.
The company's early success was driven by its focus on refining and distributing high-quality petroleum products. This focus allowed Showa Shell Sekiyu to establish a strong reputation in the industry.
Today, Showa Shell Sekiyu is a leading energy company in Japan, known for its commitment to innovation and customer satisfaction.
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History and Origins
Showa Shell Sekiyu has its roots in the formation of Royal Dutch/Shell, which was created by the merger of Samuel Samuel & Co and Royal Dutch.
The company's presence in Japan dates back to the establishment of Rising Sun Petroleum, which expanded its operations as the base of the Shell Group in Japan.
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Oilfields were discovered along the coast of the Japan Sea, primarily in Niigata Prefecture, which led to the establishment of Hayama Sekiyu and Niitsu Sekiyu, predecessors of Showa Sekiyu.
These early companies were formed amidst the production of domestic petroleum, marking the beginning of Showa Shell Sekiyu's history in Japan.
The discovery of oilfields in Niigata Prefecture had a significant impact on the development of the Shell Group in Japan, paving the way for future growth and expansion.
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Business Operations
Showa Shell Sekiyu's business operations are centered around its core oil business, which accounts for approximately 96.5% of its total sales.
The company refines crude oil at its Group refineries in Japan, processing 445,000 barrels per day.
Showa Shell Sekiyu sells its refined oil products, including gasoline, to customers through its network of approximately 3,460 service stations across Japan.
In addition to retail sales, the company also sells oil products to industrial customers, including fuels, LPG, chemicals, and lubricants.
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Oil Business

Showa Shell Sekiyu's oil business is its core operation, accounting for about 96.5% of its total sales.
The company refines crude oil at its Group refineries in Japan, with a processing capacity of 445,000 barrels per day.
It sells refined oil products to customers through about 3,460 service stations throughout Japan.
Showa Shell Sekiyu also sells oil products such as industrial fuels, LPG, chemicals, lubricants, and bitumen.
The company utilizes the Shell Group's global network to export oil products.
Subsidiaries
Showa Shell has a diverse range of subsidiaries that support its business operations.
The company's major subsidiaries include Solar Frontier KK., which is a solar panel producer. This is a significant move into renewable energy, reflecting the changing landscape of the industry.
Japan Oil Network Co, Ltd. and Niigata Joint Oil Stockpiling Co., Ltd. are two of the many subsidiaries involved in oil stockpiling and distribution. This ensures a steady supply of oil to meet customer demands.
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Showa Shell Sempaku K.K. is another key subsidiary, providing a range of services to support the company's operations. This includes business development, logistics, and more.
Showa Shell Business & It Solutions Ltd. focuses on providing IT solutions to the company's subsidiaries and partners. This is essential for streamlining operations and improving efficiency.
K.K. Enessance Holdings is a holding company that oversees the company's various subsidiaries and investments. This allows for strategic planning and resource allocation across the group.
Toa Oil Co., Ltd. and Seibu Oil Co., Ltd. are two subsidiaries involved in oil refining and distribution. They play a crucial role in meeting the company's customer needs.
Oita L.P.G. Joint Stockpiling Co., Ltd. and Hokkaido Joint Oil Stockpiling Co., Ltd. are subsidiaries focused on liquefied petroleum gas (LPG) stockpiling and distribution. This requires specialized expertise and infrastructure.
Nippon Grease Co., Ltd. is a subsidiary that specializes in grease production and distribution. This is an essential product for various industries, including manufacturing and construction.
Heiwa Kisen Kaisha, Ltd. is a subsidiary involved in shipping and logistics. This supports the company's global supply chain operations.
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Ohgishima Power Co., Ltd. and On-Site Power Co., Ltd. are subsidiaries focused on power generation and distribution. They provide critical infrastructure for the company's operations.
Showa Yokkaichi Sekiyu Co., Ltd. is a subsidiary involved in oil refining and distribution. They work closely with other subsidiaries to meet customer demands.
K.K. Svc Tokyo is a subsidiary that provides business services to the company's subsidiaries and partners. This includes administrative support, finance, and more.
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Market and Industry
In Japan's oil/gasoline markets, Showa Shell Sekiyu is a significant player.
The company's merger with Idemitsu will create a combined entity with a 30% market share, closely trailing market leader JX Holdings with 34% market share.
Showa Shell Sekiyu's current market position is impressive, with a revenue of YEN 2,953.8 billion, accounting for 16% of the market.
Here's a breakdown of the market shares in Japan's oil/gasoline markets:
- JX Holdings: YEN 12,412 billion (34%)
- Idemitsu: YEN 5,034 billion (14%)
- Showa Shell: YEN 2,953.8 billion (16%)
- Cosmo: YEN 3,537.7 billion (11%)
- Tonen General: YEN 3,241.1 billion (18%)
Showa Shell Sekiyu's market share is substantial, but it still has room for growth and expansion.
Shell in Japan
Shell in Japan has a rich history dating back to around 1876 when Samuel Samuel & Co was started in Yokohama by Samuel Samuel in partnership with his brother Marcus Samuel.
The company's roots can be traced back to Samuel Samuel & Co, which later became Shell Sekiyu in 1947 after Rising Sun Petroleum Company was renamed.
Shell Sekiyu had a significant presence in Japan, with a shareholding in Showa Oil Co Ltd since June 1951, paving the way for its future growth.
Showa Oil Co Ltd was later merged with Shell Sekiyu KK in 1985 to form Showa Shell Sekiyu KK, solidifying Shell's position in the Japanese market.
The Royal Dutch Shell Group, which had a shareholding in Showa Oil Co Ltd since 1951, was instrumental in the formation of Showa Shell Sekiyu KK.
Timeline
In 1992, Showa Shell Sekiyu started its overseas expansion of the lubricants business. This marked a significant milestone for the company.

The company began production at the Snorre oil field in the Norwegian North Sea in 1992. This achievement showcased the company's capabilities in exploring and developing oil fields.
Here's a brief summary of the key events in 1992:
- Started overseas expansion of lubricants business
- Began production at the Snorre oil field in the Norwegian North Sea
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