Lafarge S.A. engages in the production and sale of construction materials worldwide. The company operates through three divisions: Cement, Aggregates and Concrete, and Gypsum. The Cement division produces and sells a range of cements and hydraulic binders for the construction industry, including Portland and masonry cements, and various other blended and specialty cements and binders. The Aggregates and Concrete division produces and sells aggregates, ready mix concrete, concrete, hard rock, natural sand and gravel, recycled asphalt and concrete, and asphalt for road surfacing and paving. The Gypsum division offers wallboard and other gypsum-based products used primarily to offer gypsum-based building solutions for constructing, finishing, or decorating interior walls and ceilings in residential, commercial, and institutional construction projects, as well as for sound and thermal insulating partitions. It also produces gypsum plaster, plaster blocks, joint compounds, metal studs, anhydrite binders for self-leveling floor screeds, and industrial plasters. Lafarge serves concrete producers, pre-cast concrete product manufacturers, contractors, asphalt producers, builders, municipal authorities, masons, and building materials wholesalers, as well as wallboard specialty dealers, lumber yards, decorating companies, and do-it-yourself home centers. The company, formerly known as J. et A. Pavin de Lafarge, was founded in 1833 and is headquartered in Paris, France.