Isaac N. Preston

Lafarge Canada, Inc. engages in the provision of construction materials. It offers aggregates, asphalt, cement, concrete products, and ductal. The company was founded in 1956 and is headquartered in Calgary, Canada.

Continental Building Products, Inc. engages in the manufacture and distribution of gypsum wallboard and complementary finishing products. It operates through the Wallboard and Other segments. The Wallboard segment produces wallboard for the commercial and residential construction sectors. The Other segment manufactures finishing products, which complement the company's wallboard products. The company was founded in 2013 and is headquartered in Herndon, VA.

Lafarge SA engaged in the production and marketing of building materials. It produces and sells cement, aggregates and ready-mix concrete. The company's building products and solutions were used to construct and renovate homes, buildings and infrastructures. It provided its services under the brand name Lafarge. The company operated through the following divisions: Cement, and Aggregates and Concrete. The Cement division produced and sold a wide range of cement and hydraulic binders adapted to the needs of the construction industry. It also offered specialty cements suitable for use in a variety of environmental conditions and specific applications, natural lime hydraulic binders, masonry cements, and ground blast furnace slag. The Aggregates and Concrete division produced and sold aggregates, ready mix concrete, and products relating to paving activities. It also offered plaster based products which include plaster plate, plaster squares, coatings, metal framework and industrial plaster. Lafarge was founded by Joseph-Auguste Pavin de Lafarge in 1833 and was headquartered in Toulouse, France.

Lafarge Gypsum SA supplies construction material. Its products include ceilings, plaster, polystyrene, accessories and insulation complexes. The company is headquartered in Kortrijk, Belgium.