| Business | Phone |
| On-Site Sewage Facilities 7030 San Antonio St, Houston 77040 | (713) 466-6010 |
| Ace Septic & Plumbing Co Houston 77030 | (713) 394-9691 |
| Affordable Septic Tank Svc 13429 Louisville St, Houston 77015 | (713) 455-4086 |
| All The Way Septic 8211 Kingsbrook Rd, Houston 77024 | (713) 984-0336 |
| Best Septic System 735 Campbell Acres, Houston 77054 | (713) 592-4247 |
| Best Septic Tank Cleaning Adm 235 Baker Rd, Houston 77094 | (281) 239-0045 |
| Ceasar's Septics 11414 Quiet Ln, Houston 77016 | (281) 987-8356 |
| Cooper's Sanitation Svc 13510 Aldine Westfield Rd, Houston 77039 | (281) 449-0089 |
| Eagle Sanitation Co 14403 Alderson St, Houston 77015 | (713) 453-7072 |