Loma Negra Compañía Industrial Argentina Sociedad Anónima, together with its subsidiaries, manufactures and sells cement and its derivatives in Argentina. The company operates through Cement, Masonry Cement and Lime; Concrete; Rail Services; Aggregates; and Others segments. It offers masonry cement, aggregates, ready-mix concrete, concrete, and lime to wholesale distributors, concrete producers, industrial customers, and others for use in the construction. The company also provides rail transportation services; and treats and recycles industrial waste for use as fuel. It markets its products under the Loma Negra, San Martín, Plasticor, Cacique Plus, Cacique Max, Loma Negra Plus, and Lomax brands. The company was founded in 1926 and is based in Buenos Aires, Argentina. Loma Negra Compañía Industrial Argentina Sociedad Anónima is a subsidiary of InterCement Trading e Inversiones S.A.