| Business | Phone |
| Anderson Electric 28 Sunrise Cres, Dundas L9H 3R9 | (905) 627-7208 |
| Lyle Electric Po Box 65545 Rpo Dundas, Dundas L9H 6Y6 | (905) 628-4544 |
| Southcan Construction Ltd 427 Middletown Rd, Dundas L9H 5E2 | (905) 627-4500 |
| Dunmark Electric 1871 Governors Rd Rr 3, Dundas L9H 5E3 | (905) 628-1453 |