DECUS Ireland: National chapter of DECUS, the Digital/Compaq users society.DECUS Israel: National chapter of DECUS, the Digital/Compaq users society.Encompass Australia: National chapter of Encompass, the Digital/Compaq users society.Encompass Canada: Encompass Canada, the Digital/Compaq/HP Users Society.Encompass, An HP User Group: DECUS USA now known as Encompass. OpenVMS, HP-UX, Tru64, and Windows interests.