In France, production by the mineral-extracting industries and manufacturers of building materials (concrete, mortar, plaster, etc.) is worth around 9 billion euros. Aggregates account for 68% of the total, and concrete for 27%. Public works and construction each account for half the market The global building materials market, which includes structural products such as concrete, as well as finishing products, is worth over 1,000 billion dollars. The building materials market is closely linked to the performance of the construction sector and public investment Market players in the building materials industry Saint-Gobain sorts VICAT: specialized in cement, aggregates and concrete. Ireland's HRC (Equiom) and Germany's HeidelbergCement: major players in the sector. Samse, Point P, Brocot Dépot and Chausson Materiaux, GEDEX and Tout Faire major players in French distribution Larivière and LITT, specialized in roofing materials