MASISA S.A. (BCS: MASISA) is a wood products company headquartered in Chile with manufacturing operations in Chile, Argentina, Peru, Brazil, Venezuela, Mexico and the United States. Its manufactured products include solid wood, particleboard, medium-density fibreboard (MDF) and oriented strand board (OSB), as well as interior doors, mouldings and millwork. The company is currently the second largest company of its sector, after Brazilian Duratex.