MicroNet Template Pennex Aluminum Co. Share: Manufacturers - Aluminum Pennex Aluminum Co. Visit Website 2205 Pennsylvania Ave York, PA 17404 (717) 432-9647 (717) 432-4056 (fax) About Map About Pennex Aluminum is part of the Metal Exchange Corporation, one of the world’s largest suppliers, processors and purchasers of non ferrous metals in the world. What's Nearby? Distance: 5 10 15 20 25 50 mi.