Odinsa S.A is a Colombian construction and infrastructure development and publicly traded company (the largest engineering association in Colombia).

[2] It engages in road, highway, airport (about 18% of total sales)[3] and railway construction in addition to real estate and private/public grant projects (through concessions).

[8] In 2016 Grupo Argos completed a $672 million two-part acquisition of local construction firm Odinsa, it was a rare all-Colombia takeover done through Colombia’s stock exchange.

[9] For $400 million executed through two block trades and a tender offer, Grupo Argos acquired 55% of Odinsa shares between April and September 2015.

In 2016 Odinsa upped its stake in El Dorado to 65%[9] Urban Transport and Infrastructure: 7-year contract to build and maintain a 2.5 km stretch of road in Bogota.