| Business | Phone |
| Lakeland Concrete Specialists 278 Browndale Cres, Richmond Hill L4C 3J2 | (905) 773-5208 |
| Street Construction 178 Centre St E, Richmond Hill L4C 1A6 | (905) 884-1811 |
| Winn Concrete Resurfacing 155 West Beaver Creek Rd, Richmond Hill L4B 1E1 | (905) 881-1916 |
| Choiceland Contracting Ltd 10 East Wilmot St, Richmond Hill L4B 1G9 | (905) 771-0096 |
| D Perciballi & Sons 43 Addison St, Richmond Hill L4C 9N1 | (905) 884-8258 |
| Di Monte Brothers Inc 95 Hallsport Cres, Richmond Hill | (905) 884-2805 |
| Dimonte Brothers Concrete 8 Molise Crt, Richmond Hill L4C 7T8 | (416) 636-9252 |
| Formcrete Contracting Ltd 105 Pemberton Rd #A, Richmond Hill L4C 3T6 | (905) 737-6398 |
| Waterproofing/Richmond Hill Contractors/Waterproofing Richmond Hill,Markham,Newmarket,Vaughan,Thornhill, Richmond Hill L4E 3M3 | (905) 737-0158 |
| Waterproofing/Richmond Hill Contractors/Waterproofing 1-888-474-7101 Richmond Hill, Vaughan, Maple, Woodbridge, Richmond Hill L4S 1P3 | (888) 474-7101 |
| Aquaseal Basement Waterproofing Richmond Hill Richmond Hill,East York,Kleinburg,Unionville, Richmond Hill L4E 3M3 | (905) 737-0158 |
| Basement Doctor Richmond Hill 1-888-750-0848 ,,, Richmond Hill L4C 5G2 | (888) 750-0848 |