Here is the list of all eparchies under this Major Archiepischopal Church in the contemporary period. There are 35 eparchies around the world with Ernakulam-Angamaly as its Major Archiepiscopal See.
May 20, 1887 Two independent Vicariates of Kottayam (present Changanaseri1) and Thrisur2 for Syrians; Charles Lavigne and Adolf Medlycott were made Vicar Apostolic respectively (Quod Jampridem, Pope Leo XIII).
September 16, 1890 Seat of Kottayam Vicariate moved to Changanaseri.
July 28, 1896 Vicariate of Ernakulam3 created, with territories from both Vicariates of Changanaseri and Thrissur and Bishop Louis Pazheparambil, Bishop Mathew Makkil, and Bishop John Menachery were made the bishops respectively (Quae Rei Sacrae, Pope Leo XIII).
August 29, 1911 Establishment of Kottayam4 Vicariate for the Knanaya (Suddists) Community of the Syrians.
December 21, 1923 Establishment of the Syro-Malabar Hierarchy with Ernakulam as the Metropolitan See.
May 9, 2005 Eparchy of Kottayam made Archieparchy.
August 21, 2007 Eparchy of Bhadravathi,27 Karnataka (MCBS)
December 23, 2013 Eparchy of Saint Thomas the Apostle of Melbourne established in and for Australia, also acting as Apostolic Visitator for neighbouring New Zealand