1970
Start working in the public sector
1972
First work on the water distribution network
1977
Implementation of the first concrete plant
1985
Creation of the repair and maintenance workshop
1989
Relocation to the new headquarters: Ctra. de Manresa 50-60 (Calaf)
1991
First trencher on caterpillar treads
2010
Professionalization of the family business
Certification UNE 166.002 Standard for Innovation Management
2011
New offices Sant Just Desvern C/ St. Martí de l'Erm, 1
Certification European Regulation EMAS