Usinage Dieppois, a company specializing in CNC machining and precision engineering, was founded in 1985, and is the original company in the PG group.

In 1989 the Gault Industries company was founded, specializing in precision sheet metal cutting, laser cutting and welding.

2006 saw the creation of the PG Finances holding group.

Finally, in 2008, the PG group expanded its field of activities with the creation of ADSI, specialized in assembly, screen printing, pad printing and doming.