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A family-Group, independent and responsible.

International industrial player specializing in materials processing for construction and industry.

Leader in aggregate quarrying, the Groupe CB operates the largest open-cast quarry in France.
A player committed to reducing environmental impact, through its recycling activities and low-carbon solutions.
Specialist in refractory materials and solutions (resistant to very high temperatures) with a strong international presence.

The skills of our teams enable us to move forward with confidence and boldness.

We love success: the one of customers, that of our teams and employees, and therefore that of our company. Meeting challenges and providing opportunities are in our nature. Trusting in human being, we are committed to actively contributing to the development of each individual, a profound source of personal motivation and corporate progress. 

Our history

A family business founded in 1896 by Auguste Poulain. The company, now a Group, has forged and maintained close ties with its environment for five generations. 

Our locations

The Groupe CB has a strong presence in France and abroad thanks to its industrial and commercial facilities. Firmly rooted in France, we are present on all five continents.

Our governance

Family governance enriched by the experience and perspective of external administrators. 

Our key figures

The skills of our passionate teams enable us to develop our business. For us, our economic performance is a means of deploying and perpetuating our purpose.

" Making daily life easier for women and men thanks to our teams, products and solutions "