Inoue Seikoen has grown roughly 4,500 olive trees and 14 citrus varieties on Shodoshima, pressing the harvest into olive oil, skincare, and other products under its own label. The company runs a flagship shop and cafe on the island plus outlets in Takamatsu and Kobe, alongside a full online store.
O's Farm hand-picks roughly 400 olive trees across four traditional Shodoshima varieties plus newer cultivars like Leccino and Picual, pressing the fruit within 24 hours of harvest to protect freshness. The small-batch olive oils are sold through the farm's online shop from its Kagawa address.
Shodoshima Olive Company has grown and pressed olives on its own two-hectare Shodoshima orchard since 1950, turning the harvest into award-winning oils and skincare. The company runs two directly-operated retail shops in Kagawa plus a full online store shipping its olive products nationwide.
Sorai Olive Farm has grown olives on Shodoshima since the mid-2000s, earning gold at the Olive Japan competition for its extra-virgin oil pressed from Mission, Coratina, and other varieties. The farm sells its oils and olive saplings through an online shop as well as a farm-side sales counter on the island.