| Business | Phone |
| H Sinke Construction Mgmt Svc 139 Rembrandt Crt, Ancaster L9G 3N5 | (905) 304-6939 |
| Harm Schilthuis & Sons Ltd 961 53 Hwy E, Ancaster L9G 3K9 | (905) 648-2311 |
| Lael Construction Co Ltd 283 Wilson St E #335, Ancaster L9G 2B8 | (905) 648-5630 |
| Landmart Building Corp 911 Golf Links Rd, Ancaster L9K 1H9 | (905) 304-6459 |
| Mc Murray Construction Ltd 619 Iroquois Ave, Ancaster L9G 3B5 | (905) 304-3030 |
| Micor Developments Inc 45 Kitty Murray Lane, Ancaster L9K 1H7 | (905) 648-8383 |
| Packham Well Drilling Inc 1235 Trinity Rd, Ancaster L9G 3L1 | (905) 648-2909 |
| Perfect Post Hole 7 Garden Ave, Ancaster L9G 2J4 | (905) 304-5004 |
| Richstate Inc 46 Tinder Lane, Ancaster L9G 4A6 | (905) 648-1444 |
| Sungate Construction Inc 23 Surrey Dr, Ancaster L9K 1L9 | (905) 304-8018 |
| Corporate Construction 807 Garner Rd E, Ancaster L9G 3K9 | (905) 304-8768 |