Created in 1990, the company is specialized in the construction of Agricultural, Industrial steel and photovoltaic buildings.
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Our building have been invented and designed by a creative livestock farmer, the Chief Executive, Gilles DESHAYES who founded the company in 1990.
We are currently present throughout France and in 44 other countries (More than 3 million m2 have already been built).
Products are manufactured in France, near Vendôme, at1 hour from Paris, 27,000 m2 workshops on our two sites.

With a range full livestock building, warehouse, plant premises and industrial building, the purpose of the society the TRIANGLE is to find the tailor-made solution adapted to your project.

All our products are manufactured in Europe, you know you are making the best deal for you and your project when you choose "the Triangle" buildings.

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Viv Asia event

Viv Asia event

Join us on VIVASIA event.
March 15-17 2017 - Bangkok THAILANDE


New office in Bahrain

TRIANGLE EXPORT is expanding in the middle East !

TRIANGLE Group

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La société Gisolaire est localisée à Saint Hilaire la Gravelle (Loir et Cher). De part son expérience d’installations photovoltaïques dans le monde agricole et industriel, elle bénéficie aujourd’hui d’une bonne notoriété. Filiale du Groupe Le Triangle, c’est une seule et même entreprise qui couvre toutes les étapes d’une installation photovoltaïque sur bâtiment neuf ou rénové. L’entreprise Le Triangle, à l’origine spécialisée en charpente métallique, emploie un personnel qualifié en ingénierie, bâtiment, couverture, électricité. Une équipe compétente répond à vos attentes par des solutions fiables et performantes.

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