Investors
Visit also (spanish):
conexionesqueinspiran.isa.co
www.conexionjaguar.org
  • Ethics line
    Ethics line
  • Suppliers
    Suppliers
  • Affiliates
    Affiliates
  • Work with us
    Work with us
  • Contact us
    Contact us
  • Corporate structure
    Corporate structure
  • Español
  • |
  • Português
Search
  • Our Company
  • Business ISA
    • Electric Energy Transport
       

      Electric energy transmission is fundamental to the operation of the electricity market.

    • Information and Communications Tecnology

       

      Telecommunications is one of the greatest and most promising drivers of the modern economy.

       

    • Road Concessions

       

       

      At ISA, we offer efficient, comprehensive solutions for the development of linear infrastructure projects.

       

    • Real-Time Systems Management
       
      We operate the National Electric Grid (SIN, in Spanish) and manage the Colombian Wholesale Energy Market.
       
  • Investor Relations
  • Ethics and Sustainability
  • Press
Relación con inversionistas
SitioWeb > Home > Investors > guarantees
  • Company Profile
  • Corporate Governance
  • Stock Information
    • Main Indicators
    • Dividends
    • Links of interest
  • Relevant Information and News
    • Historical Relevant Information 2021
    • Revelant Information 2020
    • Revelant Information 2019
    • Relevant Information 2018
    • Relevant Information 2017
    • Relevant Information 2016
    • Relevant Information 2015
    • Relevant Information 2014
    • Relevant Information 2013
    • Relevant Information 2012
    • News 2013
    • News 2012
    • News 2011
    • News 2010
    • News 2009
  • Financial Information
    • Financial Results
    • Debt Report and Guarantees
    • Risk Ratings
    • Corporate Reports
    • Investor FAQ
    • Affiliates
    • Valuation Kit
  • Presentations
  • Analyst Coverage
  • Issuances
    • Shares Program
    • Securities Program
  • Bonds Certificate
  • Shareholder Services
    • Certificates and Dividends
    • Share History
    • Comparative Chart
    • Profitability Calculation
    • Broker Dealer List
    • Customer Service Centers
    • Correspondence Centers
    • Bulletins and Other documents
  • Calendar of Events
  • Contact Us
    • Update your information
  • Frequently Asked Questions
    • Investor FAQ
    • Providers FAQ
    • Stock market FAQ

​Guarantees

ISA presents the quarterly balance of guarantees provided by ISA to support the obligations undertaken in tendering processes, procurement of goods and services, and financing.

See PDF guarantees file here.

 

  • Ethics line
  • Suppliers
  • Work with us
  • Corporate structure
  • FAQ
  • Internal mail
  • Sitemap
  • Legal terms
  • Affiliates and Subsidiaries
  • Finantial tools
Contact us
Transparency of information

Shareholders line:

Free line: 01 8000 11 5000
Medellín: +57 (4) 4442555
Ethics line: 01 8000 94 1341
Phone: (57) 4 325 22 70
Opening hours:
Monday to Friday
8:00 a.m. to 5:00 p.m.

Calle 12 sur N° 18 -168.
Medellín - Colombia

Visit also (spanish):
conexionesqueinspiran.isa.co
www.conexionjaguar.org

Copyright © 2020 ISA All rights reserved | Medellín - Colombia.