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Obrascón Huarte Lain, S.A. (OHLA) is a Spanish multinational construction and civil engineering company headquartered in Madrid, Spain. The company specializes in infrastructure development, including civil works, building construction, and transportation infrastructure management. Its services encompass engineering, procurement, construction, maintenance, and operation of industrial facilities across sectors such as oil and gas, power, cement, mining, and petrochemicals. OHLA was formed in 1999 through the merger of Obrascón, Huarte, and Construcciones Lain, with origins dating back to 1911. The company operates globally, with a presence in the Americas, Europe, Asia, Africa, and Oceania. OHLA's strategic positioning includes a diversified portfolio and extensive international experience in complex infrastructure projects.

Caterpillar is the world's leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives. Its reporting segments are construction, resource, energy, and transportation. Market share approaches 20% across many products. Caterpillar operates a captive finance subsidiary to facilitate sales. The firm has a global reach that is approximately evenly balanced between the US and the rest of the world. Construction skews more domestic, while the other divisions are more geographically diversified. An independent network of over 150 dealers operates approximately 2,800 facilities, giving Caterpillar reach into about 190 countries for sales and support services.