| Annual Report and Summary of Events 2012 Annual Report 2012 |
Annual Report and Summary of Events 2011 |
| Annual Report and Summary of Events 2010 Annual Report 2010 |
Annual Report and Summary of Events 2009 2009, Year of the II Transmagallánico Gas Pipeline |
| Annual Report and Summary of Events 2008 Showing commitment to the growth of the energy that the country needs. |
Annual Report and Summary of Events 2007 15 years living the present together building the future |
| Annual Report and Summary of Events 2006 Focusing on ourselves allows us to raise the spirit of TGS and go further as a company. |
Annual Report and Summary of Events 2005 A country that invests in energy makes progress |
| Annual Report and Summary of Events 2004 At TGS quality is a lifestyle |
Annual Report and Summary of Events 2003 Gas as an engine for economy |
| Annual Report and Summary of Events 2002 Ten-year commitment with our people and society |
Annual Report and Summary of Events 2001 Attractive and feasible business for our customers, shareholders and employees |
| Annual Report and Summary of Events 2000 Energy for growth |
Annual Report and Summary of Events 1999 New strategy for the new millenium |
| Annual Report and Summary of Events 1998 |