https://www.visitpa.com/things-to-do/attractions/factory-tours/
Factory Tours in Pennsylvania | Visit PA’s Industrial Landmarks
Experience PA’s factories that open their doors to visitors, from chocolate and chips to motorcycles and coins, offering plant tours and keepsakes.
factory tourspennsylvaniavisitindustriallandmarks
https://www.aarp.org/travel/vacation-ideas/food-factory-tours/
Travel Treats: 7 Fun Food Factory Tours Across the U.S.
Step inside to view production lines and taste samples of some of your favorite foods
fun foodfactory tourstraveltreatsacross
https://factorytoursusa.com/
Factory Tours USA
factory toursusa