Ramiro Valencia Cossio

Empresas Públicas de Medellín ESP is a holding company which operates as a municipal-order decentralized company. The firm provides residential public utilities of aqueduct, sewage, power and combustible gas distribution. It also provides the domiciliary public utilities of cleaning, waste treatment and utilization, as well as the complementary activities. The company was founded on August 6, 1955 and is headquartered in Medellin, Colombia.

Internexa SA ESP manufactures communications equipment and provides television broadcasting services. It offers telecommunications, carrier, MPLS, internet. The company was founded in 2002 and is headquartered in Medellin, Colombia.

ISAGEN SA ESP engages in the generation, sale, and commercialization of electricity. Its projects include San Carlos hydroelectric, Sogamoso, Miel I, Jaguas Rio Amoya, Calderas and Termocentro thermal power plant. The company was founded on April 4, 1995 and is headquartered in Medellín, Colombia.

Isa SA engages in the construction of electricity distribution networks. The private company is located in Colombia.

Avianca Holdings SA engages in the provision of air transport services. The company offers passenger airlines, cargo airlines, loyalty program, as well as related activities including tourism, engineering, and specialized maintenance services. It operates through the Air Transportation and Loyalty segments. The Air Transportation segment corresponds to passenger and cargo operating revenues on scheduled flights and freight transport, including flights operated by other airlines under code-sharing agreements. The Loyalty segment refers to the traveler program for the firm's frequent passengers. The company was founded on October 5, 2009 and is headquartered in Panama City, Panama.

Part of Caja de Compensacion Familiar Comfenalco Antioquia, Caja de Compensacion Familiar Camacol generates well-being opportunities for its clients, impacting the communities of Antioquia. The company is based in Medellin, Colombia. Caja de Compensacion Familiar Camacol was acquired by Caja de Compensacion Familiar Comfenalco Antioquia on January 11, 2023. The Colombian company offers a range of services including subsidies, housing, educational scholarships, and recreational activities such as sports and ecological parks. The company also provides employment programs, social programs, and comprehensive care for children. Caja de Compensacion Familiar Camacol has a transparent policy for data protection and access to public information.

Asociacion Colombiana De Agencias De Viajes Y Turismo operates an association of travel and tourism. The private company is based in Bogota, Colombia.