Looking for the very best place to see (and eat!)Parmigiano-Reggiano being made. Also other foodie tips for Parma, Bologna, Modena and the region.
There is a parma ham factory with a tour in that area. I honestly don't know where either factory is located. You could email the tourist office in Bologna for info.
I just did a tour of Parma-Modena in June, we were amazed and couldn't recommend it highly enough. I did a mini trip report which you can see here