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CB Group announces acquisition of JAMES
The CB Group, an independent family-owned company specializing in the processing and recycling of materials for the construction and industrial sectors, is pleased to announce the acquisition of JAMES.
2,000 t of TRB refractories installed on ArcelorMittal Dunkerque's HF4 plant
In April 2025, ArcelorMittal completed the relining of Dunkirk's blast furnace no. 4.
The CB Group's refractory business, TRB, supplied and installed over 2,000 tonnes of materials produced in its Nesles workshops. These interventions reinforce the safety and sustainability of a strategic site for the European steel industry.
Open day at the Carrière d'Izernore quarry
On Saturday June 14, 2025, Carrières Blanc will welcome the general public to Izernore for an immersive day dedicated to discovering the CB Group's businesses, materials and environmental commitments.
TRB Réfractaires acquires MT Savage Specialty Refractories (USA)
TRB Réfractaires acquires MT Savage Specialty Refractories (United States), strengthening its presence in North America and consolidating its refractory offering worldwide.
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.
TRB Réfractaires rewarded for its commitment!
Find out how the TRB Réfractaires sector is committed to its employees through innovative retraining schemes.
Partnership between TRB Réfractaires and PA Technologies
In June, TRB Réfractaires and PA Technologies formalized a strategic partnership to innovate in refractory materials and industrial coatings.
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.
Carrières du Boulonnais: A pleasant surprise for the "Chemins des Ducs" project!
At the Carrières du Boulonnais site in Ferques, a specific search was carried out using a drone equipped with a thermal camera.
The Ferques quarry does its Tour de France!
On July 7, 2022, our Ferques quarry takes part in the Tour de France! The world's heaviest bicycle, installed at the bottom of the quarry by our staff, is in full effect, as is our 20-metre-long tarpaulin!
CB Green for low-carbon solutions
Article Le Moniteur - In June 2020, the CB Green entity was born with a very strong ambition: to meet the objectives of the circular economy and decarbonization. A vast program that has been accompanied by concrete actions from the outset.
A new CB Green business
Press Release - To meet the challenges of the circular economy and decarbonization, the Groupe CB created CB Green in June 2020
Champdor-Corcelles, the public enthralled by the discovery of quarrying operations
Le Progrès - Geologist Olivier Garin gave a guided tour of the projects and developments planned for this site, which is so important to the local economy.
Brittany's granite boulders tour the world
The quarry of the Société d'Exploitation des Carrières de Lanhélin (SOCAL) is a major economic player in the commune of Mesnil Roc'h. Take a guided tour of what lies behind the site.