Abu Zar'a al-Dimashqi: He was a companion
Abu Nasr bin Makula: He was a companion
Abu Nuaym al-Asbahani: He is disputed
Ibn Hajar al-Asqalani: A famous companion who was martyred on the day of al-Dar with Uthman
al-Dhahabi: He is not famous
Muhammad bin Ishaq bin Mandah al-Asbahani: His companionship is not proven