| Business | Phone |
| Building Air Quality 29 Pinewood Forest Ct # 210, Spring 77381 | (281) 362-8161 |
| Denovo Nv 1544 Sawdust Rd, Spring 77380 | (281) 292-0636 |
| Environmental Performance Inc 2202 Timberloch Pl, Spring 77380 | (281) 362-8377 |
| Gulf States Environmental Sltn 18 Thistlewood Pl, Spring 77381 | (281) 389-8998 |
| Houston Advanced Research Ctr 4800 Research Forest Dr, Spring 77381 | (281) 364-4044 |
| Hydro Tech Inc 7 Star Fern Pl, Spring 77380 | (281) 364-0011 |
| Legis Corp 70 Trestletree Pl, Spring 77380 | (281) 367-8863 |
| Overgaard & Assoc 43 Fire Flicker Pl, Spring 77381 | (281) 367-6684 |
| Tetra Process Svc 2204 Timberloch Pl, Spring 77380 | (281) 362-9735 |
| Tetra Tech 2203 Timberloch Pl, Spring 77380 | (281) 296-5890 |
| Trillum Inc 40 Woodelves Pl, Spring 77381 | (281) 292-1201 |
| Woodlands Community Svc Corp 8203 Millennium Forest Dr, Spring 77381 | (936) 273-4990 |
| Aete Intl Inc 138 N Linton Ridge Cir, Spring 77382 | (281) 419-7990 |
| Ron Bell Spring 77379 | (281) 251-2378 |
| Crc Archaeologists 19700 Hickory Twig Way # M76, Spring 77388 | (281) 350-6133 |
| Davis & Assoc Environmental 2200 Louetta Rd, Spring 77388 | (281) 355-3888 |
| Environmental Methods 9550 Max Conrad Dr, Spring 77379 | (281) 655-8555 |
| Fenchurch Environmental Svc 8500 Cypresswood Dr, Spring 77379 | (281) 655-0505 |
| Kane Environmental Engineering 5307 Oakdale Creek Ct, Spring 77379 | (281) 370-6580 |
| Johnson Matthey Inc 17635 Cypress Spring Dr, Spring 77388 | (281) 353-2500 |