| Business | Phone |
| Ontario Environment & Energy 301 St. Paul St, St Catharines L2R 3M8 | (905) 704-3900 |
| Motor Vehicle License Office 100 Fourth Ave #18, St Catharines L2S 3P3 | (905) 641-4427 |
| Ontario Coroner's Office 301 St. Paul St, St Catharines L2R 3M8 | (905) 682-9209 |
| Ontario Correctional Svc 55 King St #504, St Catharines L2R 3H5 | (905) 687-8941 |
| Ontario Day Nursery Licensing 301 St. Paul St, St Catharines L2R 3M8 | (905) 704-3215 |
| Ontario Disability Support 301 St. Paul St, St Catharines L2R 7R4 | (905) 688-3022 |
| Ontario Driver Examination 285 Bunting Rd, St Catharines L2M 7T9 | (905) 646-2957 |
| Ontario Health Insurance 59 Church St, St Catharines L2R 3C3 | (905) 704-4090 |
| Ontario Land Registry Offices 59 Church St, St Catharines L2R 3C3 | (905) 684-6351 |
| Ontario Memebers Of Parliament 2 Secord Dr #2, St Catharines L2N 1K8 | (905) 935-0018 |
| Ontario Workers' Compensation 161 Carlton St, St Catharines L2R 1R5 | (905) 687-8622 |
| Ontario Workplace Support Svc 301 St. Paul St, St Catharines L2R 3M8 | (905) 704-2991 |
| Canada Economic Dev & Trade 301 St. Paul St, St Catharines L2R 3M8 | (905) 704-3940 |
| Canada Citizenship & Immgrtn 301 St. Paul St W, St Catharines L2S 2E8 | (905) 704-3950 |