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Groupe CB
8 TRB Refractory employees honoured for their new certification
On February 28, 2025, eight TRB employees obtained their certification as installation and automated machine operators. Supported by Transition Pro Hauts-de-France, this initiative illustrates the CB Group's commitment to training and skills development.
Groupe CB celebrates 30 years of landscape planning
To mark the 30th anniversary of the Landscape Plan, Groupe CB has teamed up with the Parc Naturel Régional to introduce visitors to the Marquise quarry basin through exclusive tours and a variety of events. Plunge into the heart of the Carrières du Boulonnais, France's largest open-cast quarry on a single site, and explore the PRIMA Architectural Park, where art and industry meet through never-before-seen works of micro-architecture.
CB Group announces acquisition of COSYLVA
Groupe CB, an independent family business specializing in the transformation of materials for the construction and industrial sectors, is pleased to announce the acquisition of COSYLVA.
From PRIMA Park to the Louvre-Lens Museum : A shared itinerary
In December 2023, a mutual interest in promoting cultural heritage led representatives of the Musée du Louvre-Lens, Florence Ravail and Arnaud Debève (members of the Communications, Development and Events Department) to explore the PRIMA Park.
The Groupe CB safety tour: The sécuritour!
Every year, all employees have the opportunity to take part in the Sécuritour! Entertainment, tailor-made workshops and a good time are all part of the program.
The Groupe CB safety tour: The sécuritour!
Every year, all employees have the opportunity to take part in the Sécuritour! Entertainment, tailor-made workshops and a good time are all part of the program.
Groupe CB wins a prize at the Pépites de l'alternance awards!
We are delighted and proud to have received the second prize in the Pépites de l'alternance competition for companies with 250 to 1,000 employees in the Hauts-de-France region.
Groupe CB donates refurbished PCs to schools and associations
These distributions of recycled computers illustrate the Groupe CB's commitment to the environment and society.
Journées du Patrimoine 2023, 350 people visit the PRIMA Architectural Park, a Groupe CB foundation
For its 4th edition, the Groupe CB PRIMA Foundation Competition took on a new dimension. For the first time, the 14 works in the PRIMA Architectural Park were accessible to the general public during the 2023 European Heritage Days.
120 years of Groupe CB, a family business
Article Mines et Carrières - The Groupe CB, which includes Carrières du Boulonnais, celebrated its 120th anniversary at the Ferques quarry (62), with a day reserved for partners on September 2, and the following day for local residents to discover this exceptional site.