| Business | Phone |
| Markway Homes 2 Kerfoot Cres, Keswick L4P 4B8 | (905) 989-9968 |
| Sharp Rk Construction 91 Lake Dr E, Keswick L4P 3E9 | (905) 989-1112 |
| Westbury Homes 2 Wrendale Cres, Keswick L4P 4C4 | (905) 775-0881 |
| Exca Build Construction Svc 266 Medina Dr, Keswick L4P 1H4 | (905) 476-7886 |
| First Rate Roofing 415 Lake Dr S, Keswick L4P 1P3 | (905) 989-2633 |