The Founding of the "
Le Triangle" Group

Le Triangle began as a farming cooperative: Gilles Deshayes and his two brothers founded their GAEC (Groupement Agricole d'Exploitation en Commun). The trio thus began their business on a triangular plot of land, hence the name of the current company. In 1988, he invented a waste-reducing collar for his poultry farm and began mass-producing his invention.
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In 1990, he decided to manufacture his own buildings, which he would also develop for his fellow farmers. The company’s business is now focused on the manufacturing and construction of agricultural buildings. The turning point for solar energy came in 2009: he installed photovoltaic panels on the factory roof and was convinced of their value. He then began offering his customers the option to install them as well, and the initiative was a resounding success.

Gilles surrounds himself with employees, creates new subsidiaries to serve different markets, and continues to grow the group. Today, Gilles is joined by his sons, Rémi and Vincent, who are taking the reins of the company.

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Revenue of Groupe Le Triangle in 2024

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Dedicated employees across Groupe Le Triangle

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Photovoltaic capacity installed by Groupe Le Triangle

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Total production facility surface area of Groupe Le Triangle

The Le Triangle Group's Subsidiaries

In order to serve different markets and improve organizational efficiency, several subsidiaries have been established within the Triangle Group.

Triangle Élevage logo

Triangle Élevage,
—the Group's long-standing company

It was with this company that the first steel buildings were constructed. Even today, this subsidiary specializes in the manufacture and construction of livestock buildings.

Triangle Mobilier logo

Triangle Mobilier, “
: A Meeting with Major Retailers”

Thanks to his network and thriving connections, Triangle had the opportunity to venture into furniture design for mass-market retailers. Triangle Mobilier was thus founded in 2004.

Triangle Énergie logo

Triangle Énergie,
: The Early Days of Solar Power on Warehouses

Following the installation of solar panels at the factory in 2009, the group has been working with its subsidiary, Triangle Énergie, to build solar facilities in direct partnership with farmers.

White Triangle Horizon logo

Triangle Horizon
, and
large-scale projects

In 2015, energy producers turned to the Triangle Group to build their first solar shade structure, which led to the creation of Triangle Horizon.

Triangle Autoconso logo

Triangle Autoconso,
—Solar Energy for Homeowners

Thanks to the reputation it has built through its various subsidiaries, the Triangle Group is also in high demand among the general public. In 2022, Triangle Autoconso, a company dedicated to individual consumers, was founded to offer residential customers rooftop solar systems and ground-mounted solar kits.

Sol'R Triangle logo

Triangle Sol'R,
: Sensible and Well-Thought-Out Agrivoltaics

Recently, the group has ventured into agrivoltaics by founding Triangle Sol'R. Combining agriculture and solar farms, agrivoltaics aims to create synergy between agricultural production and electricity generation without compromising one for the sake of the other.

Join a group committed to the energy transition

Join a team of more than 900 employees by applying for our job openings or by submitting an unsolicited application. As a testament to our growth, we created more than 100 new positions in 2024.

Triangle sales representative presenting a solar project to a client
forklift operator moving steel structural components
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