Abu Hatim al-Razi: He was a Companion
Abu Hatim ibn Hibban al-Busti: He was a Companion, he witnessed the Prophet, peace and blessings be upon him, giving a sermon on his camel, the people of Kufa narrated from him
Ibn Hajar al-'Asqalani: Companion
Al-Mizzi: He was a Companion
Muhammad ibn Isma'il al-Bukhari: He was a Companion