| Business | Phone |
| Anderson Geologic Ltd 231 Beaver Creek Rd, Waterloo N2T 2S9 | (519) 725-0365 |
| Lakes Environmental Consultant 450 Phillip St #2, Waterloo N2L 5J2 | (519) 746-5995 |
| Mark L Dorfman Inc 145 Columbia St W, Waterloo N2L 3L2 | (519) 888-6570 |
| Maxxam Analytics Inc 50 Bathurst Dr #12, Waterloo N2V 2C5 | (519) 747-2575 |
| Natural Resource Solutions Inc 279 Weber St N, Waterloo N2J 3H8 | (519) 570-4019 |
| Radiation Environmental Mgmt 238 Winderheights Pl, Waterloo N2T 1P1 | (519) 885-2520 |
| S S Papadopulos & Assoc 207 King St S, Waterloo N2J 1R1 | (519) 579-2100 |
| Wagner & Assoc 195 Springfield Cres, Waterloo N2T 2M6 | (519) 579-9032 |
| Canadian Soil Remediation Svc 151 Frobisher Dr #A201, Waterloo N2V 2C9 | (519) 886-2972 |
| Conestoga-Rovers & Assoc Ltd 651 Colby Dr, Waterloo N2V 1C2 | (519) 884-0510 |
| Couch & Assoc Consultants Inc 133 Woodbend Cres, Waterloo N2T 1G9 | (519) 725-2891 |
| Geomatrix Consultants 465 Phillip St #1, Waterloo N2L 6C7 | (519) 886-7500 |