- The Holy See (Vatican)
- Singapore Archdiocese
- Catholic Foundation (SG)
- Office for the New Evangelization (ONE)
- Office for Catechesis (OFC)
- Office for Young People (OYP)
- Blessed Sacrament Church
- Church of Christ the King
- Church of Our Lady of Lourdes
- Church of Our Lady Star of the Sea
- Church of St. Anthony
- Church of St. Francis of Assisi
- Church of St. Mary of the Angels
- Church of the Holy Trinity
- Church of the Risen Christ
- St. Anne’s Church
- Arulvakku
- Bible in Tamil
- Irai Varthai
- Thiru Viviliyam
- Anbin Madal
- Madha TV
- Anboli TV
- Vatican Radio (Tamil)
- Catholic SG Radio (Tamil)
- VRS Christian Channel
- German Tamil Catholics
- United Tamil Catholics
- Bay Area Tamil Catholics
- Dubai Tamil Catholics
Archdiocesan Commission for Tamil Speaking (ACTS) 