Holcim Haut-Rhin

Part of the global Holcim group, this company operates a cement plant in Altkirch and six aggregate sites across the Haut-Rhin department. It produces bulk cement, aggregates, and ready-mix concrete for building and public works contractors, precasters, and materials merchants. Product lines include CEM I and CEM II cements sold under names such as Holcim 104, Fluvio, and Optimo. The firm holds CE2+ conformity attestations for its aggregates and follows European standards EN 12620, EN 13139, EN 13043, EN 13242, and EN 13285.