| Business | Phone |
| Havelock Municipalite Office 481 Route 203, Saint-Chrysostome J0S 1R0 | (450) 826-4741 |
| St Jean Chrystostome Office 124 Notre Dame, Saint-Chrysostome J0S 1R0 | (450) 826-3911 |
| St Jean Chrysostome Garage 129 Rue Saint-Alexis, Saint-Chrysostome J0S 1R0 | (450) 826-3255 |