| Business | Phone |
| Abstract To Earth Consultants 1910 St Laurent Blvd, Ottawa K1G 1A4 | (613) 792-3330 |
| Grw Building Sciences 1551 Riverside Dr #1014, Ottawa K1G 4B5 | (613) 733-4536 |
| Marshall & Murray Inc 436 Maclaren St, Ottawa K2P 0M8 | (613) 230-3115 |
| Enscot Consulting Inc 1526 Chatelain Ave, Ottawa K1Z 8B5 | (613) 729-0031 |
| Rankin Construction Consulting 237 Argyle Ave, Ottawa K2P 1B8 | (613) 237-8381 |
| Bfe Group 7 Ossington Ave, Ottawa K1S 3B3 | (613) 730-7135 |
| Brown & Assoc Building Ltd 18 Tammela Crt, Ottawa K1T 2E7 | (613) 738-0777 |