| Business | Phone |
| Amec Earth & Environmental Ltd 610 Mcleod St, Regina S4N 4Y1 | (306) 721-0044 |
| Amec Earth & Environmental Ltd 608 Mcleod St, Regina S4N 4Y1 | (306) 721-7100 |
| Ground Sealant Systems Inc 415 7th Ave, Regina S4N 4P1 | (306) 569-8561 |
| Ground Effects Environmental 367 Maxwell Cres, Regina S4N 5X9 | (306) 352-1400 |
| Jcsi Environmental 2226 7th Ave E, Regina S4N 4S9 | (306) 757-5274 |
| Komex International Ltd 320 Gardiner Park Crt #101, Regina S4V 1R9 | (306) 352-2525 |
| Droycon Bioconcepts Inc 315 Dewdney Ave, Regina S4N 0E7 | (306) 585-1762 |
| O'Connor Associates Envrnmtl 1046 Winnipeg St, Regina S4R 8P8 | (306) 789-1623 |
| Phh Environmental Ltd 2010 7th Ave, Regina S4R 1C2 | (306) 352-8640 |
| W L Whelan Environmental Ltd 46 Academy Park Rd, Regina S4S 4T7 | (306) 584-0056 |
| Crosby Hanna & Assoc 2341 Mcintyre St, Regina S4P 2S3 | (306) 790-7635 |
| Erin Consulting Ltd 2825 Saskatchewan Dr #200, Regina S4T 1H3 | (306) 789-9799 |
| Envirotec Waste Mgmt 288 Hodsman Rd, Regina S4N 5X4 | (306) 721-9500 |