Abu Hatim al-Razi: He was a companion
Abu Hatim ibn Hibban: He was a companion
Abu 'Abd Allah al-Hakim: A companion, only 'Amir ibn Sharahbil al-Sha'bi narrated from him
Abu Nasr ibn Makula: He was a companion and narrated from the Prophet
Al-Mizzi: He was a companion
Muhammad ibn Isma'il al-Bukhari: He was a companion