| Business | Phone |
| Geo Tech Environmental Svc Inc 5315 Birchbark Dr, Schaumburg 60192 | (847) 931-8235 |
| Environmental Diagnostics 1724 Locust Pl # 302, Schaumburg 60173 | (847) 303-0155 |
| Environmental Waste Svc 1215 Fairlane Ct, Schaumburg 60193 | (630) 365-1100 |