Company profile

ISA is a multi-Latin company group with more than 53 years of experience and track record that operates in the Energy Transmission, Road Concessions, Telecommunications, and ICT business units, providing quality of life to millions of people in Colombia, Brazil, Chile, Peru, Bolivia, Argentina, and Central America through the work of almost 4,000 employees in 43 affiliates and subsidiaries (58 in total adding jointly controlled companies and other investments).

The group does business based on technical excellence, efficient provision of services, and creation of sustainable value for its stakeholders and society in general, leveraged by innovation, digital transformation, and corporate governance and ethics best practices.

ISA and its companies are committed to the mitigation and adaptation to climate change, the rational use of resources, the development of programs that generate a positive impact on the environment, the comprehensive development of the communities where it operates, as well as the quality, reliability, and availability of the services it provides.

After more than five decades of leadership in the region, ISA has transcended the physical action of connecting one point with another to connect people, making each connection an inspiring action.


  • About us
  • Strengths
  • Shareholding structure
  • Country Code Survey
  • Regulation
  • Bylaws
  • Energy Transmission 

    46.374 km and 92.600 MVA of transmission infrastructure in operation along with 63.079 km and 109.164 MVA, including ISA’s jointly controlled investments.

    More than 5.600 km and 14.300 MVA of transmission infrastructure under construction. Coordination of the operation of the Colombian energy system, 71.925 GWh of energy demand, 17.472 MW of net effective capacity

  • Road Concessions

    ISA is the main interurban road concession operator in Chile, with 907 km of roads in operation and 136 km of roads under construction.

    ISA started operations in the Colombian road market with Concesión Costera Cartagena -Barranquilla.

    In alliance with Construcciones El Cóndor S.A., ISA is preparing to grow in the road concessions business unit in Colombia and Peru.

  • Telecommunications y TIC

    54.034 km of terrestrial and underwater fiber optics in operation, connecting from Florida to Patagonia.

  • Our Talent

    ISA has more than 4.000 employees.

    25% of management positions held by women.

    43% of employees are part of collective agreements and unions.

  • Reconocimientos

    Members of the Dow Jones Sustainability Index since 2015.

    ISA is included in ROBECOSAM’s Sustainability Yearbook for four years in a row.

    Since its first version, ISA has obtained the IR recognition from the Colombian Stock Exchange.


ISA has a unique competitive position in Latin America thanks to its understanding of and operation in highly regulated markets, as well as its ability to structure projects on an innovative basis while adapting to environmentally, socially, and economically complex situations.

Shareholding structure

ISA is a Jointly-Owned Utility Company that receives state, public, and private investment. All outstanding shares are common, registered, and dematerialized.


Private investors 440,480,920

ADR PROGRAM 0,04% 456,475

NATURAL PERSONS 3,23% 36,021,676


LOCAL INSTITUTIONS 27,06% 299,545,529



As of March 2021


State investors 667,196,974

COLOMBIAN GOVERNMENT 51,41% 569,472,561


Country Code Survey

At ISA, we firmly support initiatives that aim to strengthen Corporate Governance Best Practices, such as the Country Code Survey.

Encuesta Código País


Consult and obtain information about business regulations in every country where the Company operates.


Comisión de Regulación de Energía y Gas

Energy and Gas Regulatory Commission

Comisión de Regulación de Comunicaciones

Communications Regulatory Commission


Organismo Superior de Telecomunicaciones de Inversión Privada en Telecomunicaciones

Supervisory Authority for Private Investment in Telecommunications

Organismo Supervisor de la Inversión en Energía y Minería

Energy and Mining Investment Regulator



National Electricity Agency

Agência Nacional de Telecomunicações

Agência Nacional de Telecomunicações


Autoridad de Fiscalización y Control Social de Electricidad

Bolivian Energy Oversight Agency


Autoridad de Fiscalización y Control Social de Electricidad

Ministry of Public Works

Telecommunications Regulating Agency


National Telecommunications Commission


Learn more about ISA’s Bylaws, which were last amended and approved in our General Shareholders’ Meeting on March 29, 2019 by Public Deed 1175.

Estatutos Sociales


Corporate governance is our guide. It is the set of values, principles, policies, rules, practices, and processes by which ISA is directed, operated, and controlled. ISA continues to deliver its promise to generate sustainable value for those who invest in the company and to fulfill its commitments to stakeholders.




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