Loma Negra Compañía Industrial Argentina Sociedad Anónima (LOMA), founded in 1926 and headquartered in Buenos Aires, Argentina, is a leading cement and concrete producer in Argentina. The company focuses on the production and commercialization of cement, masonry cement, lime, concrete, and aggregates, catering to the infrastructure, residential, and commercial construction markets.

Loma Negra operates through several primary business segments:

1. Cement, Masonry Cement, and Lime: Loma Negra is a major producer of cement, masonry cement, and lime in Argentina. The company operates several cement plants and has a strong distribution network throughout the country. Its cement products are used in various construction applications, including buildings, roads, bridges, and other infrastructure projects.
2. Concrete: The company produces and sells ready-mix concrete, a versatile and essential construction material used in a wide range of applications. Loma Negra operates numerous concrete plants across Argentina, providing high-quality concrete products for the construction industry.
3. Aggregates: Loma Negra is also involved in the production and sale of aggregates, such as sand, gravel, and crushed stone. These materials are essential for various construction applications, including road and highway construction, infrastructure projects, and building construction.