Manufacturers Hoffman Diamond Products Inc Share Email Article Share on LinkedIn Share on X Share on Facebook Hoffman Diamond Products Inc Locations & Contacts 108 Cedar St Punxsutawney, PA, 15767 814-938-7600 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 Hoffman Diamond Products Inc page Optional description of the form for additional information. * Required information Email: Description: * Cancle Submit