Ryobi Group

Ryobi Group is a Japanese corporate group that was founded in 1910 in what is now Okayama City, Okayama Prefecture, originally as the Saidaiji Railway. Over a history spanning more than 100 years it expanded its businesses both horizontally and vertically, and today it comprises roughly 50 companies with about 10,000 employees. Its operations are organized into four business segments — Transportation & Travel, ICT, Lifestyle Creation, and Urban Development — plus a social contribution segment covering museum operation, grant activities in biology and related fields, and research institute operation for maintaining regional public transportation. Its fields of activity extend from Okayama as a base to the rest of Japan and to Southeast Asia. The group states its management philosophy as chūjo, meaning sincerity-based compassion. In 2025 the group marks its 115th anniversary and adopted the group-wide message 'To a world beyond your imagination.'

Ryobi Group was founded in 1910 in what is now Okayama City, Okayama Prefecture, as the Saidaiji Railway. Over a history of more than 100 years it pursued business expansion both horizontally and vertically, and it has grown into a corporate group with roughly 50 companies and about 10,000 employees. Its activities began with an 11.5 km railway and later spread into carrying people, delivering goods, building towns, conveying information, serving food, supporting old age, and energizing its hometown. Its fields of activity extend from Okayama as a base to the rest of Japan and to Southeast Asia. In 2025 the group marks its 115th anniversary, and on that occasion it established a group-wide message for the first time in its history.

A corporate group contributing at the most important points of daily life, guided by the philosophy of chūjo (sincerity-based compassion).

• Transportation & Travel segment

  Covers various transport modes and makes travel and movement enjoyable, including route buses, intercity highway buses, limousine buses, taxis, trams, railways, ferries, sightseeing boats and high-speed passenger ships.

• ICT segment

  Creates the next era with new technology; the Ryobi Systems group provides services specialized to fields such as government, medical care, welfare, distribution, transportation and manufacturing.

• Lifestyle Creation segment

  Supports and enriches daily life, covering automobile-related services such as fuel, vehicle purchase, inspections, maintenance, sheet metal painting and insurance, as well as food, daily necessities, energy supply, leisure facilities, restaurants and nursing care welfare facilities.

• Urban Development segment

  Takes on urban regeneration and town development for a new era.

• Social contribution segment

  Covers museum operation, grant activities in biology and related fields, and research institute operation for maintaining regional public transportation.

1. 1両備グループ 公式サイト - Ryobi Group - | 想像もつかない世界へryobi.gr.jp
2. 2両備グループとは | 両備グループ 公式サイト - Ryobi Group -ryobi.gr.jp
3. 3グループ企業一覧 | 両備グループ 公式サイト - Ryobi Group -ryobi.gr.jp
4. 4ワークライフバランスの実現 | 両備グループ 公式サイト - Ryobi Group -ryobi.gr.jp
5. 5Ryobi Groupwikidata.org