José Manuel Otero Alonso

Puentes y Calzadas Grupo de Empresas SA provides engineering and construction services. Its projects include highways, railways, irrigation dams, industrial complexes, cultural centers, and business parks, as well as hospitals, schools, and residential spaces. The firm offers services to precast concrete products, public utility concessions and property development sectors. The company was founded in 1977 and is headquartered in Oroso, Spain.

Prefabricados Tecnológicos del Hormigón SL is a company based in La Coruna, Spain that was founded in 1977. The Spanish company specializes in the production of precast concrete elements for construction projects. The company offers a wide range of products, including beams, columns, slabs, and walls, and are known for their high-quality and innovative designs. With over 40 years of experience in the industry, Prefabricados Tecnológicos del Hormigón SL has established itself as a leading supplier of precast concrete solutions in the region.