| Company | Location | Certifications | License # |
|---|---|---|---|
| Andre Beasley | — | Installer | — |
| Brian Lightsey | — | InstallerPumper | — |
| Britnie Lightsey | — | Pumper | — |
| Christopher Sanders Jr. | — | Pumper | — |
| Dalton Davis | — | Installer | — |
| Danny Brown | — | Installer | — |
| David Mastin Jr. | — | InstallerPumper | — |
| David Reid | — | Installer | — |
| David Williams | — | Installer | — |
| Derrick Mcclain | — | Installer | — |
| Dylan House | — | Installer | — |
| Harold Murphy | — | Installer | — |
| James Larkin | — | Installer | — |
| Jimmy Lightsey | — | InstallerPumper | — |
| Joseph Brown | — | InstallerPumper | — |
| Logan Mcneill | — | Pumper | — |
| Martin Clarke | — | Installer | — |
| Oscar Simmons Jr. | — | Installer | — |
| Shane Duncan | — | Installer | — |
| Wayne Miles | — | Installer | — |
| Waynne Ward | — | Installer | — |
| William Watson | — | Installer | — |
22 companies in the Alabama Onsite Wastewater Board licensee roster are based in Montgomery County as of 2026-07-23. Companies based elsewhere in Alabama also commonly serve the county.
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