The GMP SPA was founded in 1972 but is part of a group of companies which has been active in the stone industry for over 100 years.
In the last century the activity was limited to the extraction of white Carrara marble, then the production of slabs of other Apuan marbles started.
After 1950 the production and processing of some classic colored marbles began and finally after 1960 the plant in Dogana di Ortonovo was built where the production and...
