SOStain is open to all winemaking companies in the Sicilian territory united by the desire to share best practices in the vineyard and in the cellar, with the goal of respecting the ecosystem.
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- Organization, to assess the environmental, social and economic impacts of the company
- Product, to understand which stages of the production process have a greater environmental and social impact
Colomba Bianca

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Founded in 1970, Cantine Colomba Bianca represents a large community of small wine growers, 2,480 members who share a production philosophy focused on full traceability between vineyard and bottle. Authenticity and respect for the land, for farmers and for consumers are among the founding values of Colomba Bianca, which today, with 1,800 hectares of vineyards, is one of the largest producers of organic wine in Europe.
Certification of Prodotto
Cusumano

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Founded by Alberto and Diego Cusumano in 2001 in Partinico, where it is based, the company produces elegant and distinctive wines on 5 estates: Ficuzza in Piana degli Albanesi (PA), San Giacomo in Butera (CL), Presti e Pegni in the hills of Monreale, Monte Pietroso in Monreale, San Carlo in Partinico (PA). In 2013, the company created Alta Mora, bringing together under one new brand the districts of Guardiola, Pietramarina, Verzella, Feudo di Mezzo and Solicchiata on Mount Etna.
Certification of Organizzazione
Planeta

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Planeta is a family farm that has been operating between Menfi and Sambuca di Sicilia for 17 generations. In the last quarter century it has concentrated more on viticulture, olive growing and other related agricultural activities, and at the same time it has embarked on a genuine “Sicilian Journey”: it now has estates, vineyards and cellars in Vittoria, Noto, Mount Etna and Capo Milazzo.
Certification of Organizzazione
Settesoli

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Cantine Settesoli is a community of Sicilian wine growers, a large vineyard in Sicily, and a true wine district in the province of Agrigento: between Menfi, Montevago and Santa Margherita di Belice, as much as 70% of the community’s approximately 5,000 families are involved in the company’s activities. Founded in 1958 in Menfi, today it has 2000 members – 25% are women – a vineyard area of 6,000 hectares and 36 cultivars in production, of which 908 are organic.
Certification of Prodotto
Solsicano

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In one of the most enchanting corners of Sicily, the Terre Sicane, devoted to vines and wine since Greek and Roman times, the first Feudo Arancio estate was established in 2001 in the territory of Sambuca di Sicilia (AG). The estate covers 280 hectares around a magnificent baglio (farmhouse and courtyard) that houses the winery. The grapes give us high quality wines that are exported to 60 countries around the world, where they carry the colours and scents of the land of Sicily.
Certification of Organizzazione
Tasca d’Almerita

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The story of Tasca d’Almerita is that of a family of winemakers who have dedicated their lives to the land of Sicily for 8 generations. A love born in 1830 on the Regaleali Estate, to which four estates were then added as part of a project to develop specific native vines in particularly suitable territories: Capofaro in Salina, Tascante on Mt. Etna, Whitaker in Mozia and Sallier de La Tour in the DOC Monreale territory.
Certification of Organizzazione