List of the Companions of Imam al-Kazim (a)

Al-Shaykh al-Tusi counted the number of narrators and companions of Imam al-Kazim (a) as 272 people, including:

Narrators

People of Consensus

Al-Hasan b. Mahbub; (d. 224/839), a companion of Imam al-Kazim (a), Imam al-Rida (a), and Imam al-Jawad (a).
Zurara b. A'yan; (b. c 70/690 - d. 150/767) was one of the greatest Shi'a faqihs and theologians, and among the close companions of Imam al-Baqir (a), Imam al-Sadiq (a), and Imam al-Kazim (a).
Hammad b. 'Isa al-Juhani; (d. 209/824-825) was an Imami hadith scholar and jurist.
Hammad b. 'Uthman; (d. 190/805-6), a Shi'a Hadith scholar, narrator, and jurist.
'Abd Allah b. Muskan; (d. before 183/799) known as Ibn Muskan was a companions of Imam al-Sadiq (a) and Imam al-Kazim (a). He lived in Kufa.
Ahmad b. Muhammad b. Abi Nasr al-Bazanti; (b. 152/769 - d. 221/836), one of the early Imami scholars in Kufa, and a companion of Imam al-Kazim (a), Imam al-Rida (a), and Imam al-Jawad (a),
'Abd Allah b. al-Mughira; a companion of Imam al-Kazim (a) and Imam al-Rida (a). He was a mawla of the clan of Banu Nawfal and a Kufan noble.
Muhammad b. Abi 'Umayr; (d. 217/832-3) known as Ibn Abi Umayr was a grand Twelver hadith narrator.
Yunus b. 'Abd al-Rahman; (d. 208/823-24) one of the companions of Imam al-Kazim (a) and Imam al-Rida (a).
Safwan b. Yahya; (d. 210/825-6) a companion of Imam al-Kazim (a), a deputy of Imam al-Rida (a), and Imam al-Jawad (a).
Hasan b. 'Ali b. Faddal; (d. 224/839) a reliable (Thiqa) Shi'a narrator and a companion of Imam al-Kazim (a) and Imam al-Rida (a).
Faddala b. Ayyub; a companion of Imam al-Kazim (a) and Imam al-Rida (a) and a reliable Shiite narrator of hadiths.
'Uthman b. 'Isa al-Rawwasi; (alive before 203/818-19) was a companion and a representative of Imam Musa al-Kazim (a) who refused to return the money and property in his hands to Imam al-Rida (a), claiming that Imam Musa al-Kazim (a) was still alive.
Jamil b. Darraj; (b. before 128/746, d. ?), an outstanding Shi'a hadith transmitter, hadith scholar, and faqih.
Muhammad b. muslim; (d. 150/767-768) was a prominent companion of Imam al-Baqir (a) and Imam al-Sadiq (a).
Abu Basir al-Asadi; an Imamiyya figure in Kufa and a companion of Imam al-Baqir (a) and Imam al-Sadiq (a). He is also said to have been a companion of Imam Musa al-Kazim (a).

Others

Hisham b. al-Hakam; a Shi'a theologian of the 2nd/8th century and one of the companions of Imam al-Sadiq (a) and Imam al-Kazim (a).
Hisham b. Salim al-Jawaliqi; a student and companion of Imam al-Sadiq (a) and Imam al-Kazim (a). His expertise in theology was more than in jurisprudence.
Tha'laba b. Maymun; a Shi'a scholar in fiqh and hadith and among the companions of Imam Ja'far al-Sadiq (a) and Imam Musa al-Kazim (a).
Safwan b. Mihran al-Jammal; He appears in the chains of transmitters of many hadiths, ziyarahs, and supplications, such as Ziyarah al-Arba'in, Ziyarah al-Warith, and Supplication of 'Alqama.
Khalaf b. Hammad; a Shi'a narrator in the 2nd/8th and 3rd/9th centuries and one of the companions of Imam al-Kazim (a). Except Ibn al-Ghada'iri, other Shi'a scholars of rijal have considered Khalaf reliable.
Dawud b. Kathir al-Raqqi; a companion of Imam al-Sadiq (a), Imam al-Kazim (a), and Imam al-Rida (a). He transmitted many hadiths concerning theology, fiqh, the exegesis of the Qur'an, and ethics.
'Ali b. Yaqtin; a faqih and theologian among the companions of Imam Ja'far al-Sadiq (a) and Imam Musa al-Kazim (a) and a reliable vizier of Abbasid Dynasty.
Dawud b. al-Nu'man; a Twelver Shi'a transmitter of hadith in the 2nd/8th century whose name is among those who transmitted hadiths from Imam al-Sadiq (a), Imam al-Kazim (a), and Imam al-Rida (a).
Zakariyya b. Idris
Aban b. 'Uthman; (fl. 2nd/8th century), was a companion of Imam al-Sadiq (a) and Imam al-Kazim (a). He was familiar with Arabic history, literature, and genealogy. He wrote a book on the biography of the Holy Prophet (s).
Dawud b. Farqad
Sa'ida (concubine of Imam al-Sadiq (a)); mong the women of virtues and a concubine of Imam al-Sadiq (a) who was later freed by him (a). She had an honorable position in the eyes of Imam (a). According to Sayyid Muhsin al-Amin, she might be the same Sa'ida, the companion of Imam al-Kazim (a).
Durust b. Abi Mansur; a companion of Imam al-Sadiq (a) and Imam al-Kazim (a). He also has narrated hadith from the eminent Shi'a muhaddiths. Some members of people of consensus such as: Ahmad b. Muhammad al-Bazanti, al-Hasan b. Mahbub, 'Abd Allah b. Bukayr, and Yunus b. 'Abd al-Rahman have narrated hadith from him.

Waqifiyya

'Ali b. Abi Hamza al-Bata'ini; (d. circa 200/815) is a companion of Imam al-Sadiq (a) and Imam al-Kazim (a) and one of the heads of Waqifiya.
'Uthman b. 'Isa al-Rawwasi
Muhammad b. Abi Mansur al-Wasiti
Ziyad b. Marwan al-Qandi
Dawud b. al-Husayn; a Shi'a hadith transmitter of the 2nd/8th century. There is disagreement about his reliability among the rijal scholars. Al-Najashi said he was Thiqa (reliable) and al-Shaykh al-Tusi and Ibn 'Uqda mentioned that he was a Waqifi.

Companions (those who did not narrate)

Khalid b. Madd al-Qalanisi; an Imami transmitter of hadiths and a companion of Imam al-Sadiq (a) and Imam al-Kazim (a).
Ibn Udhayna; a companion of Imam al-Sadiq (a) and Imam al-Kazim (a). Most hadiths narrated by him are concerned with the rulings of fiqh (jurisprudence). However, he has also narrated hadiths regarding issues of kalam, such as imamate.
Ishaq b. Ja'far; well-known as al-Mu'taman, was the son of Imam al-Sadiq (a). He was a virtuous, benefactor, devotee, and pious man. Many hadiths has been narrated from him. He believed in Imamate of his brother, Imam al-Kazim (a) and also nephew, Imam al-Rida (a).
Sayf b. 'Amira; a companion of Imam al-Sadiq (a) and Imam al-Kazim (a) from Kufa. He composed an elegiac poem about Imam al-Husayn (a) and wrote a collection of hadiths.
Al-Sayyid Isma'il Al-Himyari; (b. 105/723-24, d. 179/795-96) known as al-Sayyid al-Himyari was among famous Shi'a poets who composed many poems in defense of Shi'a.

Wakils