| Business | Phone |
| Acorn Kitchen & Bath 174 Main St, St Catharines L2N 4V8 | (905) 935-3198 |
| Arnold J Van Der Zalm Custom 2827 Effingham Rd, St Catharines L2R 6P7 | (905) 685-1393 |
| Associate Builders 25 Tremont Dr, St Catharines L2T 3A7 | (905) 988-3773 |
| Hutchinson & Assoc 39 Spring Garden Blvd, St Catharines L2N 3P9 | (905) 938-7275 |
| Ivon Papineau Construction Inc 207 St. Paul St W, St Catharines L2S 2E1 | (905) 641-5027 |
| Jack W Harper Construction Co 13 Hiscott St, St Catharines L2R 1C7 | (905) 684-8548 |
| Ladson Creative Mill Work 235 Martindale Rd #14, St Catharines L2W 1A5 | (905) 684-6725 |
| Manorcore Construction Inc 581 Ontario St, St Catharines L2N 4N8 | (905) 646-3111 |
| Maxco Ents 341 Lake St, St Catharines L2N 4H5 | (905) 646-1344 |
| Merit Contractors Of Niagara 235 Martindale Rd #3, St Catharines L2W 1A5 | (905) 641-2374 |
| Newman Brothers Ltd 72 Welland Ave, St Catharines L2R 2M9 | (905) 641-8111 |
| Ontario Masonry & Concrete 27 Duke St, St Catharines L2R 5W4 | (905) 641-2155 |
| R & R Svc 176 Rykert St #A, St Catharines L2S 2B7 | (905) 684-7114 |
| Rankin Construction Inc 222 Martindale Rd, St Catharines L2R 6P9 | (905) 684-1111 |
| Roma Construction Ltd 144 Lake St #C, St Catharines L2R 5Y3 | (905) 641-1416 |
| Beacon Hill Construction Inc 1587 Second Ave, St Catharines L2R 6P9 | (905) 687-6613 |
| Cirrus Management Contracting 35 Seapark Dr, St Catharines L2M 6S5 | (905) 641-4754 |
| Sheldon Homes Inc 204 Martindale Rd #8, St Catharines L2R 6P9 | (905) 641-0115 |
| Sherwood Underwater Systems 4 Centennial Dr, St Catharines L2N 6A4 | (905) 934-8615 |
| Silvergate Homes Ltd 411 Glendale Ave #1b, St Catharines L2P 3Y1 | (905) 680-6000 |
| Stu Cor Construction Ltd 243 Church St, St Catharines L2R 3E8 | (905) 682-8391 |
| Sun Tech Total Renovating 434 Lake St, St Catharines L2N 4H4 | (905) 935-2995 |
| T R Hinan Contractors Inc 31 Church St, St Catharines L2R 3B7 | (905) 684-9964 |
| Unison Contracting 18 Hillcrest Ave, St Catharines L2R 4Y1 | (905) 685-4646 |
| Versluis Brothers Inc 26 John St, St Catharines L2N 4P1 | (905) 646-0892 |
| Brook-Lite Homes Ltd 128 Lake St, St Catharines L2R 5Y1 | (905) 682-7001 |
| Brouwer Construction Ltd 1880 King St, St Catharines L2R 6P7 | (905) 984-3060 |
| Carbone General Contracting 1 Pinecrest Ave, St Catharines L2T 1C6 | (905) 680-1223 |
| Carluccio Construction Inc 89 Port Master Dr, St Catharines L2N 7H5 | (905) 935-0716 |
| Carpcon Construction Inc 14 Northrup Cres, St Catharines L2M 7N7 | (905) 646-5547 |
| Cedar Ridge Construction 537 Linwell Rd E, St Catharines L2R 7K6 | (905) 646-7863 |
| Delage Home Renovations 2 Weiden St #53, St Catharines L2M 6W5 | (905) 646-9995 |
| Diamond Stonebridge Contract 2700 Decew Rd, St Catharines L2R 6P7 | (905) 641-2238 |
| Doerksen Construction Ltd 3687 Eleventh St, St Catharines L2R 6P7 | (905) 562-5228 |
| Don Magill Construction 31 Regent Dr, St Catharines L2M 3L6 | (905) 934-0724 |