| Business | Phone |
| Building Air Quality 29 Pinewood Forest Ct 210, Spring 77381 | (281) 448-1100 |
| Rigaku 9009 New Trails Dr, Spring 77381 | (281) 362-2300 |
| Clean Environment Equipment 16006 Abberton Hill Dr, Spring 77379 | (281) 370-3308 |
| Invoncon 19221 Interstate 45, Spring 77388 | (281) 292-9903 |
| Texas Ip Labs 9310 Max Conrad Dr, Spring 77379 | (832) 717-3100 |
| Outdoor Living Environments 19511 Wied Rd, Spring 77388 | (281) 651-6828 |
| Protective Environmental 19137 Northpine Dr, Spring 77388 | (281) 353-9896 |