1.Catholic Diocese Commission for Social Communication
2.Catholic Diocese Commission for Laity
3.Cathoilc Diocese Commission for Inter - Religious Dialogue & Ecumenism
4. Cathechetical Centre, Batticaloa
5. Cathechetical Centre, Trincomalee
6. EHED-Caritas, Trincomalee
7.EHED-Caritas, Batticaloa
8.PMS , Trincomalee
9.PMS , Batticaloa
10. Legion of Mary
11. Society of St. Vincent de Paul
12.Catholic Youth Association (CYA)
13.Catholic Life Community (CLC)
14.Small Christian Community (ASIPA)
15.Catholic Charismatic Renewal