| Business | Phone |
| Niagara Public Health Dept 573 Glenridge Ave, St Catharines L2T 4C2 | (905) 688-3762 |
| Niagara Recycling 55 Oakdale Ave, St Catharines L2P 2L3 | (905) 687-9595 |
| Niagara International Travel 573 Glenridge Ave, St Catharines L2T 4C2 | (905) 688-8248 |
| Ontario Housing 55 King St #501, St Catharines L2R 3H5 | (905) 682-9201 |
| Ontario Municipal Affairs 479 Carlton St #D, St Catharines L2M 4Y6 | (905) 935-7645 |
| Ontario Property Assessment 1 St. Paul St, St Catharines | (905) 688-0233 |
| Saint Catharines Pollution 40 Lighthouse Rd, St Catharines L2N 7P5 | (905) 935-8315 |
| St Catharines Hydro 340 Vansickle Rd, St Catharines L2R 6P7 | (905) 684-8111 |
| St Catharines Senior Ctzns Ctr 117 Chetwood St, St Catharines L2S 2B1 | (905) 684-0993 |
| St Catharines Courts 71 King St, St Catharines L2R 3H7 | (905) 687-6590 |
| St Catharines Clerk's Dept 50 Church, St Catharines L2R 7C2 | (905) 688-5600 |
| St Catharines Community Ctrs 108 Russell Ave, St Catharines L2R 7N5 | (905) 685-6071 |
| St Catharines Community Ctrs Queen Elizabeth, St Catharines | (905) 937-1072 |
| St Catharines Senior Citizens 19 Brock, St Catharines | (905) 646-8000 |
| St Catharines Senior Ctzn Ctr 80 Dunlop Dr, St Catharines L2R 1A7 | (905) 685-6668 |
| St Catharines Senior Citizens 344 Merritt St, St Catharines L2T 1K6 | (905) 227-2926 |
| St Catharines Transit Cmsn 2012 First St Louth St, St Catharines L2S 3V9 | (905) 685-4271 |
| Thorold Social Svc Dept 60 James St, St Catharines L2R 7E7 | (905) 641-9960 |