| Business | Phone |
| Hydroconsult 205 5 Ave Sw #3100, Calgary T2P 2V7 | (403) 265-6958 |
| Jacques Whitford Environment 703 6 Ave Sw #500, Calgary T2P 0T9 | (403) 382-3580 |
| Martin & Brusset Assoc 840 6 Ave Sw #300, Calgary T2P 3E5 | (403) 262-6100 |
| Pildysh Technologies Inc 6214 90 Ave Se, Calgary T2C 2T3 | (403) 720-7889 |
| Sabatini Earth Technologies 6919 32 Ave Nw #203, Calgary T3B 0K6 | (403) 247-1813 |
| Seacor Environmental Engrng 7220 Fisher St Se #250, Calgary T2H 2H8 | (403) 266-2030 |
| Thurber Environmental Conslnts 550 71 Ave Se #190, Calgary T2H 0S6 | (403) 253-9217 |
| Cementec Industries Inc 200 Rivercrest Dr Se #288, Calgary T2C 2X5 | (403) 720-6699 |
| Cementec Industries Inc 9235 44 St Se, Calgary T2C 2P7 | (403) 720-9883 |
| Clearstone Engineering Ltd 900 6 Ave Sw #7, Calgary T2P 3K2 | (403) 266-8820 |
| Curtis Environmental Engineer 820 28 St Ne #1, Calgary T2A 6K1 | (403) 273-4980 |
| Eba Engineering Consultants 200 Rivercrest Dr Se #270, Calgary T2C 2X5 | (403) 203-3355 |