| Company name | Group | Parent | Subsidiary | Customer | Supplier | Alliance | Bank | Shareholder |
|---|---|---|---|---|---|---|---|---|
|
|
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| Futaba Petroleum Co., Ltd. | ||||||||
| Ace Building Maintenance Co., Ltd. |
Established Asahi Shokai Co., Ltd. with the aim of selling petroleum, oils, and fuels on the occasion of the 25th anniversary of personal founding and the end of wartime control.
Constructed the first model service station of Asia Petroleum Co., Ltd. within the premises of the former headquarters in Kanagawa Prefecture. Started full-scale sales of petroleum products and operation of service stations.
Established San-ei Petroleum Limited Company (changed to a corporation in December Showa 41).
To diversify sales channels, entered into a dealership agreement with Nippon Petroleum Co., Ltd. as a franchisee of San-ei Petroleum Co., Ltd.
Changed the company name to Sun Asahi Co., Ltd.
As the first step of business diversification, entered the automobile maintenance business. Changed the company name to Sun Yokohama Maintenance Center Co., Ltd. and established.
Established Auto Rama Yokohama Co., Ltd. (absorbed by our company in May 1992, re-separated in February 1994), signed a franchise agreement with Auto Rama, and entered the automobile sales business.
Established Sun Road Co., Ltd. (absorbed by our company in May 1998). Signed a franchise agreement with Orix Rent-A-Car Co., Ltd. and entered the rental car business.
Established Ace Building Maintenance Co., Ltd.
Changed the franchise brand name of Sun Road Co., Ltd. to Orix Rent-A-Car.
Merged San-ei Petroleum Co., Ltd., Auto Rama Yokohama Co., Ltd., and Sun Yokohama Maintenance Center Co., Ltd., and changed the company name to Sun Oath Co., Ltd.
Relocate headquarters to 2-4-15 Shin-Yokohama, Kohoku-ku, Yokohama City, Kanagawa Prefecture
Change the company name from Sun Road Co., Ltd. to ORIX Rent-A-Car Yokohama Co., Ltd.
Absorb and merge Ford Yokohama Co., Ltd. and ORIX Rent-A-Car Yokohama Co., Ltd.
Listed on JASDAQ
Establish a 100% subsidiary, British Auto Co., Ltd., and enter the automobile sales business as an authorized dealer of British Jaguar cars
Establish a staffing agency, Sun Media Co., Ltd., and obtain labor dispatch permits
Acquire all shares of Motoren Toyo Co., Ltd., an authorized BMW dealer in western Kanagawa Prefecture, and start operating as a subsidiary
Start initiatives for environmentally friendly vehicle inspections
Fully enter the used car market. Start new initiatives in automobile sales, including imported and domestic cars
Our efforts in environmentally friendly vehicle inspections received high praise, winning the Minister of Economy, Trade and Industry Award for Excellent Gas Stations in the 17th Year of Heisei (Environmental Contribution Division)
Sign agency agreement with American Family Life Insurance Company (Aflac). Start full-scale entry into life insurance business
Make Metropolitan Motors Co., Ltd., an authorized BMW dealer, a subsidiary
Make Futaba Oil Co., Ltd., a subsidiary
Environmental vehicle inspection wins the 9th Green Purchase Award for Excellence
Unify the title of BMW authorized dealer stores to "Shonan BMW"
Environmental vehicle inspection recognized as a "specified procurement item" under the Ministry of the Environment's Green Purchasing Law
Sign a dealership agreement with Kigunas Petroleum Co., Ltd., and become its authorized dealer
Absorb and merge British Auto Co., Ltd.
Establish JX Nippon Oil & Energy Corporation through the merger of New Japan Oil Co., Ltd. and Japan Energy Co., Ltd. Consequently, our oil division was unified into Life Energy Division
Start handling Peugeot as an authorized dealer in December
Hyuga Stadium (Hiratsuka City, Kanagawa Prefecture) acquired naming rights and named it "Shonan BMW Stadium Hiratsuka"
Signed a FC contract with "Hoken no Madoguchi" and expanded the insurance business
Participated in the "Fujisawa Sustainable Smart Town" project
Participated in the "Tsunashima Sustainable Smart Town" project
Started handling JEEP vehicles as an authorized dealer
Started providing mobility services at "Tsunashima Sustainable Smart Town"
Transferred all shares of two BMW sales subsidiaries
Established a mobility division and officially started mobility services
Registered and certified as a "Kanagawa SDGs Partner (4th term)"
Registered and certified under Yokohama City SDGs Certification System "Y-SDGs"
Participated as a fuel supplier in the Tokyo 2020 Olympic Games
Achieved "Superior" certification under Yokohama City SDGs Certification System "Y-SDGs"
Implemented capital reduction to apply tax system appropriate for company size
Registered and certified as "Kawasaki SDGs Partner" under Kawasaki City SDGs Certification System
Concluded an agreement with Kanagawa Prefectural Police on the safe use of electric kickboard sharing
Completed construction of a multi-mobility attached apartment "Mobility Terrace"
Made "Wakaba Oil Co., Ltd." a subsidiary
Sun Otas Co., Ltd. exhibited a booth in the GREEN×EXPO 2027 PR area of 'New Yokohama Performance 2026', which was held on October 17-18, 2026. At the booth, they offered mobility test drive experiences, promoted ENEOS, and shared information about their 100th anniversary, introducing their business and journey through interactions with visitors.
Sun Ota Co., Ltd. has entered into a collaboration agreement with Miura City, Keikyu Corporation, and OpenStreet Co., Ltd. regarding the promotion of urban development using share bicycles. The purpose of the agreement is to improve the convenience of movement for citizens and visitors and enhance intra-regional mobility through share bicycles, thereby promoting regional revitalization and sustainable urban development. By leveraging each company's strengths and collaborating, the goal is to address regional challenges such as improving transportation environments and promoting tourism.
Sunautas Co., Ltd. is refreshing its corporate logo to mark its 100th anniversary. The new logo will be unveiled on October 1, 2026, and officially adopted on December 1. It symbolizes an open, sunny outlook, warmth, trust, and human connection.
San Oathes commemorated its 100th anniversary by becoming a sponsor of FM Yokohama's 'TRAFFIC REPORT,' which provides regional traffic information. As part of efforts to support local mobility, information is disseminated mainly in Kanagawa.
As part of its 100th anniversary initiatives, Sunautas Co., Ltd. signed a sponsorship agreement with Yokohama GRITS, a professional ice hockey team based in Yokohama. The partnership aims to contribute to the community and deepen connections through sport. Yokohama GRITS opened the 2026–27 season on September 12 and 13, winning both opening games at KOSÉ Shin-Yokohama Skate Center.
Kaminakazato Service Station will be closed from August 14, 2026, until early December for safety improvements and equipment renewal. During the closure, customers are asked to use the nearby Dr. Drive Konan-Chuo Service Station.
An environmentally friendly emergency storage battery solar street light "S3" was installed at the Soyado parking lot in Yokohama City, and a lighting ceremony was held.
From July 1, 2026, "PEUGEOT Sagamihara" will be renamed to "PEUGEOT Yokohama Machida," but there will be no changes to the store location, contact information, or staff structure.
Tokai Yokohama Inter South SS has been renewed and has started 24-hour operation.