| Business | Phone |
| Amec Earth & Environmental 3096 Devon Dr #30, Windsor N8X 4L2 | (519) 436-0262 |
| Ortech Environmental 11811 Tecumseh Rd E, Windsor N8N 1L8 | (519) 739-2220 |
| Philip Services Corp 4505 Fourth St, Windsor N9E 4A5 | (519) 250-7705 |
| Stantec Consulting 3260 Devon Dr, Windsor N8X 4L4 | (519) 256-8388 |
| Canflow Environmental Svc 2335 South Cameron Blvd, Windsor N9B 3P6 | (519) 966-9342 |
| Citizens Environment Allnce 275 Oak Ave, Windsor N9A 5E5 | (519) 973-1116 |
| Coulson & Assoc Ltd 1565 Lauzon Rd, Windsor N8S 3N4 | (519) 944-5266 |
| Eco-Analytical Labs Inc 3201 Marentette Ave #5, Windsor N8X 4G3 | (519) 966-9541 |
| Environmental Performance 647 Ouellette Ave #204, Windsor N9A 4J4 | (519) 256-7999 |