| Business | Phone |
| A-Plus Concrete Drilling Svc 216 Queen Mary St, Ottawa K1K 1X3 | (613) 745-1649 |
| Advance Cutting & Coring 1308 Leeds Ave, Ottawa K1B 3W3 | (613) 741-7561 |
| Astro Drilling & Sawing Inc 2540 Sheffield Rd, Ottawa K1B 3V7 | (613) 745-1950 |
| Portelance Cutting & Coring 2535 Blackwell St, Ottawa K1B 4E4 | (613) 822-3000 |