| Business | Phone |
| Ideas Architectural Design 74 Rockcliffe Rd, Dundas L9H 7H4 | (905) 689-7660 |
| Liburdi Engineering Ltd 400 Highway 6, Dundas L9H 7K4 | (905) 689-0734 |
| Sidney W Woods Engineering Inc 334 Hatt St, Dundas L9H 2H9 | (905) 627-0775 |
| Vickers Engineering 380 Mill St, Dundas L9H 2M1 | (905) 627-5892 |