1894
Start of production at the Alhandra Cement Plant, marking the birth of the modern cement industry in Portugal.
1976
Establishment of CIMPOR – Cimentos de Portugal, E.P., integrating several cement plants into one corporate structure.
1982
Construction of the Maia Depot.
1983
Beginning of the transition from fuel oil to coal energy.
1984
Creation of Cimentaçor, strengthening supply capacity in the Azores.
1985
Conversion of the final production line from the wet process to the dry process.
1989
Murtas Grinding Plant in São Miguel
Praia da Vitória Terminal
1991
CIMPOR becomes a public limited company.
1994
First phase of privatization with 20% of share capital offered publicly.
2006
Souselas Plant registered under EMAS environmental management system.
2018
OYAK Group signs agreement to acquire CIMPOR's Portugal and Cape Verde assets.
2024
TCC Group Holdings acquires all CIMPOR assets in Portugal and Cape Verde.
