Concrete and steel are materials widely used in the construction of structures that offer great advantages such as their high resistance, durability and versatility. For this reason, RA Ingenieros offers exhaustive and updated development in this field, responding to current market needs. Our expertise in the advantages and disadvantages of these materials, structural analysis models, ultimate and service limit states, as well as the execution and maintenance of reinforced concrete and steel structures gives our engineers a broad capacity for design and development of Projects.