Obrascon Huarte Lain 

Obrascón Huarte Lain, S.A. (OHL) is an international enterprise primarily focused on the construction industry and the development of concessions. The company's extensive operations encompass diverse regions, including the United States, Canada, Mexico, Chile, Peru, Colombia, Spain, Central and Eastern Europe, and other global markets. OHL is structured around three core segments: Construction, Industrial, and Services. Its Construction division delivers a wide array of civil engineering projects and building construction services to both public and private sector clients. The Industrial segment specializes in the comprehensive design, construction, maintenance, and operation of sophisticated industrial plants and systems, serving critical sectors such as oil and gas, renewable energy, mining and cement, specialized solids engineering, and fire suppression. The Services segment encompasses property and infrastructure maintenance, covering residential and commercial premises, urban green spaces, road networks, and social and health services. Furthermore, this segment undertakes real estate development projects and is involved in the development and management of mixed-use hotel properties. Originally established in 1911 as Sociedad General de Obras y Construcciones Obrascón, S.A., the company maintains its headquarters in Madrid, Spain.