| Business | Phone |
| Jivkov Engineering 5610 50a Ave, Yellowknife X1A 1G3 | (867) 920-4455 |
| A & A Technical Svc 327 Old Airport Rd, Yellowknife X1A 3T3 | (867) 669-7022 |
| A D Williams Engineering Inc 4903 47 St, Yellowknife X1A 1L7 | (867) 873-2395 |
| Girvan & Assoc 4712 38 St, Yellowknife X1A 1J5 | (867) 873-5650 |
| Northern Geophysics Ltd 39 Auto Dr #A, Yellowknife X1A 1L6 | (867) 873-8280 |
| Northtech Consulting Ltd 116 Kasteel Dr, Yellowknife X1A 3V6 | (867) 920-4843 |
| Reid Crowther & Partners Ltd 4916 47 St #300, Yellowknife X1A 1L8 | (867) 873-6316 |
| Thorn Limited 4915 48th St 2nd Flr, Yellowknife X1A 2N7 | (867) 873-5151 |
| Vista Engineering 5006 50th Ave 2nd Flr, Yellowknife X1A 2P5 | (867) 873-4894 |
| Camillus Engineering Conslnts 5016 50th Ave 3rd Flr, Yellowknife X1A 2N4 | (867) 873-8712 |
| Dillon Consulting Ltd 4920 47 St #303, Yellowknife X1A 1L8 | (867) 920-4555 |
| Eba Engineering Conslnts Ltd 4916 49 St #201, Yellowknife X1A 2P7 | (867) 920-2287 |