Ecopetral - Oil and gas company owned by the government of Colombia. Includes company overview, investment information and press releases. Amway Colombia - Information about Amway Colombia and the country. Exco - Manufacturer of metal tubes. Includes company background and capabilities as well as process description. Locations in Bogota and Pereira. [English, Spanish] Rionegro Free Trade Zone - Describes the zone and its benefits, lists of participating companies, and provides information for potential users. Cerrejón Coal - Integrated operation consisting of open pit coal mining operation in La Guajira state, railroad, and export terminal and port at Puerto Bolívar. Description and photos of facilities, production, land acquisition, population resettlement, community and environmental issues, and social welfare programs. Gustavo Sorzano & Asociados - Provides graphic design, marketing, interior design services. Includes portfolio samples. [English, Spanish]