Dennis Romps

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

Lafarge North America, Inc. engages in the manufacture and distribution of construction materials. The firm's products include cement, ready-mixed concrete, gypsum wallboard, aggregates, asphalt, concrete pipes, and blocks. The company was founded in 1983 and is headquartered in Chicago, IL.

Saint-Gobain Corp. produces building materials and glass containers. The firm manufactures glass fiber, flat glass and glass products, cast-iron piping, industrial ceramics, abrasives and building products. The company was established in 1967 and is headquartered in Valley Forge, PA.