The following Congregations send their students to Bigard for formation:
- Claretian Missionaries
- Congregation of the Mission (Vincentians)
- Congregation of the Sons of the Immaculate Conception
- Holy Family Fathers and Brothers of the Youth (HFFBY)
- Order of Cistercians of the Strict Observance
- Order of Franciscans Minor (Capuchins)
- Congregation of the Fathers of Jesus the Saviour (Saviourites)
- Somascan Fathers
- University Sons of Assumption Congregation