There is three list.
Mufti Mahmood Hasan Rahimullah chief Mufti of Darul Uloom India Who was very active and Vocal Supporter. He was the person who convinced Maulana Yusuf and Maulana Inamul Hasan (who were more inclined to Academic work) for active participation in Tabligh work. A popular book is Maulana Mahmood Hasan and Tablighi Jamaat.
Maulana Zafar Ahmad Thanvi Great Scholar Actively participated and established the work around delhi during last illness of Maulana Ilyas.
3. Maulana Muhammad Yahya Rahimullah (Elder Brother of Maulana Ilyas, who took care of his studies and nurturing after death of father. Very Shafeeq He was Maulana Ilyas most loved one. He always used to remember him. He was Father of Sheikhul Hadith.