| 1. Congregation of Passion(CP) |
| 1 |
Our Lady Of Veilankanni Church |
Parish |
Randam korattur |
| |
| 2. Precious Blood Missionaries(CPPS) |
| 1 |
Queen of Heaven's Church |
Parish |
Boodamangalam |
| |
| 3. Foyar De Charite (FDC) |
| 1 |
Sneha Deepam |
Retreat Centre |
Sathuvacharry |
| |
| 4.Discalced Carmelites Order (OCD) |
| 1 |
Infant Jesus Shrine |
Parish |
Thenimalai |
| |
| 5. Capuchin (OFM) |
| 1 |
St. Antony's Church |
Parish |
Arcot |
| 2 |
Fr. Pio Illam |
School |
Arcot |
| |
| 6. The Order of Servants of Mary (OSM) |
| 1 |
Arputha Madha Church |
Parish |
Kilnathur |
| |
| 7. Missionaries of Sacred Heart (MSC) |
| 1 |
St. Antony's ChurchParish |
Parish |
Gengapuram |
| |
| 8.Missionaries of St. Francis de Sales (MSFS) |
| 1 |
Mary Help of Christians Church |
Parish |
Vaniyambadi |
| 2 |
S.F.S School, Janathapuram |
School |
Vaniyambadi |
| 3 |
S.F.S School, Alangayam |
School |
Vaniyambadi |
| |
| 9. Salesians of Don Bosco (SDB) |
| 1 |
Arulodayam Ashram |
Ashram |
A. Kattupadi |
| 2 |
Don Bosco Orphanage |
& School |
Gandhi Nagar
|
| 3 |
Don Bosco Mission Station |
Mission |
Jamunamarathur |
| 4 |
Don Bosco Centre |
Community College |
Jamunamarathur |
| 5 |
Our Lady of Victories Church |
Parish |
Jolarpet |
| 6 |
Don Bosco Hr. Sec. School |
School |
Jolarpet |
| 7 |
Don Bosco Centre (BICS ) |
Computer Training Centre |
Yellagiri Hills
|
| 8 |
Idaya Deepam |
Novitiate |
Yellagiri Hills |
| 9 |
St. Joseph's Home - ITI |
ITI |
Katpadi |
| 10 |
Sacred Heart Parish |
Parish |
Polur |
| 11 |
Don Bosco Hr. Sec. School |
School |
Polur |
| 12 |
VIA |
Institution |
Polur |
| 13 |
Don Bosco Agro Tech - House |
ITI |
Polur |
| 14 |
Mary Help of Christians Church |
Parish
|
Tirupattur |
| 15 |
Dominic Savio Hr. Sec. School |
School & Boarding |
Tirupattur |
| 16 |
Sacred Heart College |
College |
Tirupattur |
| 17 |
Don Bosco House |
Aspirentate |
Tirupattur |
| 18 |
Siharam Institution |
|
Thiruvannamalai |
| 19 |
Don Bosco Boys Home |
School & Boarding
|
Uriurkuppam |
| 20 |
St. Antony's Church |
Parish |
Veeralur
|
| |
| 10. Sacred Heart Brother's (SHB) |
| 1. |
Sacred Heart Brothers |
School & Boarding
|
Jamunamarathur |
| 2 |
St. Joseph's Institution |
School & Boarding |
Pathiavaram |
| 3 |
Amalarakini School |
School for Pathiavaram Blind
|
| |
| 11. Society of Jesus (SJ) |
| 1 |
Sagaya Madha Church |
Parish |
Kilpennathur |
| 2 |
Ahal |
Institution |
Keezhpennathur |
| 3 |
Loyola Technical Training |
Institution |
Ranipet |
| 4 |
Loyola College |
Institution |
Vettavallam |
| |
| 12. Vincentian Congregation (VC) |
| 1 |
St. John de Britto Church |
Parish |
Chengam |
| 2 |
Arulanandar Children's Home |
Boarding |
Chengam |
