| Business | Phone |
| Aldor Builders Ltd 26b Front St N, Thorold L2V 1X5 | (905) 227-0600 |
| Regional Trenching Inc 1899 Allanport Rd, Thorold L2V 3Y7 | (905) 227-6333 |
| Romar-Niagara Construction 14 Dobbie Rd, Thorold L2V 4R7 | (905) 227-5750 |
| Brown Utility Svc Inc 112 Ormond S, Thorold | (905) 227-5205 |
| Concrete Image 416 Morton St, Thorold L2V 1C9 | (905) 680-9806 |
| De Rose Brothers Gen Contr Ltd 401 Allanburg Rd, Thorold L2V 1A5 | (905) 227-2719 |