Vertical integration is a form of business organization in which a company controls the supply chain from acquisition of raw materials, to manufacturing, to end sales. In history, vertical integration was a form of industrial organization. One common effect of vertical integration was that it made supplies more reliable and thus, improved efficiency. It took over and controlled the quality of the product at all stages of production
Honestly, I tried to look but I don't know. Here's a picture of the general area that it should be around (the red box). This is in Italy north of Rome.
