| Business | Phone |
| First Ontario Credit Union 600 Ontario St, St Catharines L2N 7H8 | (905) 685-5555 |
| Niagara Credit Union 235 Martindale Rd #9, St Catharines L2W 1A5 | (905) 937-4222 |
| Niagara Credit Union Ltd 531 Lake St, St Catharines L2N 4H6 | (905) 937-7111 |
| Niagara Credit Union Ltd 350 Scott St, St Catharines L2N 6T4 | (905) 934-9561 |
| Niagara Credit Union Ltd 75 Corporate Park Dr, St Catharines L2S 3W2 | (905) 988-1000 |
| Niagara Credit Union Ltd 210 Glendale Ave, St Catharines L2T 3Y6 | (905) 688-6761 |
| Niagara Credit Union Ltd 111 Fourth Ave, St Catharines L2S 3P5 | (905) 688-6563 |
| Polish St Catharines Cu 44 1/2 Facer St, St Catharines L2M 5H6 | (905) 646-0344 |
| St Catharines Civic Emp Cu 191 Carlton St, St Catharines L2R 1S1 | (905) 682-2723 |
| St Catharines Civic Emp Cu 508 Glendale Ave, St Catharines L2M 6P5 | (905) 688-0717 |
| St Catharines Civic Emp Cu 82 Lake St, St Catharines L2R 5X4 | (905) 688-2044 |
| Ukrainian Credit Union Ltd 118 Niagara St, St Catharines L2R 4L4 | (905) 684-5062 |
| Caisse Populaire Ctr De Svc 284 Geneva St, St Catharines L2N 2E8 | (905) 937-7270 |
| Dana Canada Employees On Cu 1 Hayes St, St Catharines L2T 1N5 | (905) 227-6645 |
| Garden City Credit Union Ltd 2 Neilson St, St Catharines L2M 7M9 | (905) 685-7737 |