Herman Chadwick Piñera

Talca-Chillán Sociedad Concesionaria SA operates and maintains the Tramo Talca - Chillán Route. They provide 24-hour surveillance, emergency assistance, and towing services. The company was founded in 1996, and is based in Las Condes, Chile

Sociedad Contractual Minera Carola provides mineral exploration services. The private company is based in Copiapo, Chile.

Cintra Concesiones de Infraestructuras de Transporte de Chile (Cintra Chile Ltda) is a company belonging to the group Cintra Spain, a leading private developers of transport infrastructure projects in the world, with over 35 years of management and a presence in countries like Spain, Portugal, Ireland, Chile , Canada and the US. This, coupled with its extensive local experience and proven in the promotion, financing, construction and operation of concessions, makes Cintra Chile Ltda s largest provider of intercity road concessions, throughout the country. They are well over 10 years bringing the Chileans to their country, 5 routes that take you to unimaginable places, more than 900 kilometers and safely transporting more than U.S. $ 1,470 million invested in the development of the country.

Part of Abengoa SA, Abengoa Chile SA is a private company that engages in the financing, development, operation and maintenance of engineering and construction projects and infrastructure concessions. The company is based in Santiago, Chile.

Ruta del Bosque Sociedad Concesionaria SA maintains and operates the Chillán – Collipulli Route. The firm provides 24-hour surveillance, emergency assistance, sanitary facilities, and mechanical and towing services. The company was founded on November 26, 1997 and is headquartered in Las Condes, Chile.

Ruta de Los Ríos Sociedad Concesionaria SA is a private company based in Santiago, Chile. The Chilean company constructs roads and highways. The company is ultimately controlled by the Government of Colombia.

Part of Vistasierra AG, Ruta de la Araucania Sociedad Concesionaria SA is a Chilean company that connects 714 kilometers of infrastructure in the south of Chile, which corresponds to four of the eight consecutive road concessions that make up Route 5, the country's main North-South highway and backbone of transportation in Chile. The private company is based in Santiago, Chile. The company is committed to building and maintaining roads while respecting the environment and providing quality services. The company also has programs for sustainability and conservation of biodiversity and mitigating climate change.

Centro de Estudios Públicos is a charitable academic foundation based in Santiago, Chile. Centro de Estudios Públicos operates to study and produce knowledge on issues of public interest. The Chilean company was founded in 1980 and the CEO is Leonidas Montes Lira.

The private company, Cámara de Comercio de Santiago, is based in Santiago, Chile. It is a chamber of commerce.

Ruta del Maule Sociedad Concesionaria SA engages in highway construction. The private company is based in Santiago, Chile. The Chilean company is ultimately controlled by the Government of Colombia.

Ruta del Maipo Sociedad Concesionaria SA engages in providing Designs, constructs, operates and manages carriageways. The Company is headquartered in Las Condes, Chile.