Manufacturers Allegro Industries Share Email Article Share on LinkedIn Share on X Share on Facebook Allegro Industries Locations & Contacts 1360 Shiloh Church Road Piedmont, SC, 29673 864-846-8740 Visit Website Click Here Report Inaccuracies See something wrong? If there’s an error on this page, please let us know. Report Report inaccuracies for Allegro Industries page Optional description of the form for additional information. * Required information Email: Description: * Cancle Submit