| Business | Phone |
| Alfi Masonry 9 Tavistock Crt, Markham L3P 6H2 | (905) 471-7124 |
| B & F Contractors Ninth Line, Markham | (905) 294-4377 |
| Casa Loma Masonry 49 Raymerville Dr, Markham L3P 4J2 | (905) 294-6332 |
| Emco Masonry Ltd 172 Bullock Dr, Markham L3P 7M9 | (905) 294-7927 |