Home › NewsNewsTyraTech, Inc. - TYR TR-1: Notification of major interest in sharesTyraTech Inc. (DI) · TYRU+ FollowTyraTech Inc. (DI / REGS) · TYR+ Follow7 Jun 2017RNS Number: 3483 H TyraTech, Inc. 07 June 2017.RNS Number: 3483 H TyraTech, Inc. 07 June 2017.Share