Abu Hatim al-Razi: He was a Companion
Abu Hatim ibn Hibban al-Busti: A Companion who lived in Syria
Ibn Hajar al-'Asqalani: Companion
Ibn 'Asakir al-Dimashqi: His family says that he was a Companion
Muhammad ibn Ismail al-Bukhari: He heard the Prophet, peace and blessings be upon him
Yahya ibn Ma'in: The sons of Khalid deny that he was a Companion and said he is nothing, taking the words of his grandchildren