1933	Incorporation of SETH
1934	Construction of the port of Setúbal
1938	Construction of the port of Funchal
1949	Construction of the Pego do Altar Dam (Setúbal)
1949	Construction of the Vale do Gaio Dam (Alcácer do Sal)
1952	Construction of the Marechal Carmona bridge (Vila Franca de Xira)
1960	Start to activity in Angola
1963	Start to activity at the Lajes Air Base (Azores)
1984	SECIL, Setúbal - Kiln IX
1987	Start to activity in the Caribbean (U.S. Navy and U.S. Air Force)
1991	Start to the activity of the Pile Driving Department
1996	Share capital opened to Portuguese shareholders
2000	Start to activity in Mozambique
2003	Legal Regime Conversion to Public Company
2005	GMP - Grupe Maritime Portugais, was formed
2006	Start to activity in Spain
2007	Start activity at Guinea and Algerie
2008	Start construction of our Head Office at Queijas (Oeiras, Portugal)
2008	17th, March - 75 years of activity