In 1938 Chev. Pietro Pastorelli starts up his own forging mill to shape agricultural iron tools by water-hammer.

In 1960 with his sons he sets up FERRIERA TRE VALLI S.p.A.,a rolling mill for the production of reinforced iron rods (rebars).

The same rolling mill, 15 years later;

Meanwhile, two more companies have been established:
one in 1979, COMS S.p.A, specialized in the construction of medium and heavy metal structural works;

the other in 1987, EUROSIDER SCALO S.p.A., qualified in trading common and special steel.