| Business | Phone |
| Children's Special Health Care 3415 28th St, Port Huron 48060 | (810) 987-6102 |
| Mental Health Svc 1011 Military St, Port Huron 48060 | (810) 987-6911 |
| Mental Health Svc 204 Bard St, Port Huron 48060 | (810) 987-1753 |
| St Clair County Health Dept 3415 28th St, Port Huron 48060 | (810) 987-5300 |
| St Clair County Immunization 3415 28th St, Port Huron 48060 | (810) 987-8216 |
| St Clair Cty Mental Health 230 Huron Ave, Port Huron 48060 | (810) 985-9440 |