Cementos Rioclaro is part of local cement group Argos, which has recently been authorised to merge its units Cementos El Cairo, Cementos del Nare, Cementos del Valle, Cementos Rioclaro, Tolcemento, Colclinker, Cementos Paz del Rio and Cementos del Caribe.
Argos and its subsidiaries produced 5.4Mt of cement in 2004, of which 2.7Mt were exported. The group, owned by local industrial holding company Grupo Empresarial Antioqueno, operates also plants in Panama, Haiti, Venezuela and the Dominican Republic.