Santo Stefano operates in the most disparate and most highly-specialized sectors, with a myriad of departments:
from preparation and milling to washing, (pad batch - pad steam) dyeing, to drying (rameuse) and finishing include special transformations (such as the revolutionary "no iron" process).

Moreover: Santo Stefano is one of the biggest European firms performing flow dyeing, and it processes everyday 80,000 meters of fabric (over 5000 of which are sample pieces).