| Business | Phone |
| Apartment Centre 73 Ontario St, St Catharines L2R 5J5 | (905) 685-6521 |
| Global Property Management 227 Bunting Rd, St Catharines L2M 3Y2 | (905) 688-4483 |
| I J Siegert Real Estate 600 Welland Ave, St Catharines L2M 5V6 | (905) 646-4622 |
| Industrial Mall 34 Secord Dr, St Catharines L2N 1K8 | (905) 646-0744 |
| Joseph Tonnos & Assoc Inc 16 Towering Heights Blvd, St Catharines L2T 3G9 | (905) 688-6600 |
| Kmk Property Management 431 St. Paul St, St Catharines L2R 3N4 | (905) 688-7202 |
| Peter Grucza Real Estate 205 King St, St Catharines L2R 3J5 | (905) 641-5252 |
| Phase Ii Management Inc 31 Raymond St, St Catharines L2R 2T3 | (905) 685-3050 |
| Realstar Property Management 568 Ontario St, St Catharines L2N 4N7 | (905) 937-8441 |
| Realstar Property Management 242 Linwell Rd, St Catharines L2N 1S2 | (905) 938-9199 |
| Shabri Property Management 87 Lake St, St Catharines L2R 5X5 | (905) 684-6333 |
| Char-El Developments Ltd 277 Welland Ave, St Catharines L2R 2P7 | (905) 988-9566 |
| Tri-City Realty Ltd 95 Welland Vale Rd, St Catharines L2R 6P9 | (905) 684-3806 |
| Universal Maintenance 2 Perth St, St Catharines L2P 3C9 | (905) 988-9616 |
| Vicso Holdings Ltd 30 Duke St, St Catharines L2R 5W5 | (905) 641-3153 |
| Windim Property Management Ltd 80 King St, St Catharines L2R 7G1 | (905) 688-9731 |
| Brookfield Lepage Johnson 32 Church St, St Catharines L2R 3B9 | (905) 687-7414 |
| Cannon Greco Management 28 Duke St, St Catharines L2R 5W3 | (905) 687-6933 |
| Carriage Mews 5 Carriage Rd, St Catharines L2P 3K2 | (905) 684-6399 |
| Castle Management & Dev 77 Pelham Rd, St Catharines L2S 1S3 | (905) 641-5505 |
| Central Gospel Community Homes 705 Welland Ave, St Catharines L2M 7X4 | (905) 937-8921 |
| Chown Management 111 Fourth Ave #12, St Catharines L2S 3P5 | (905) 685-9868 |
| Eicon Property Management 46 1/2 St. Paul St W, St Catharines L2S 2C2 | (905) 682-3750 |