Tyco International Anniston Al Iron Plaque 1 Million Hour No Acciden 2007! 7 1/4in. tall. Tyco International plc was a security systems company incorporated in the Republic of Ireland,[2] with operational headquarters in Princeton, New Jersey, United States (Tyco International (US) Inc.). Tyco International was composed of two major business segments: security solutions and fire protection. Please view all photos for more exact detail thank you!