| Company | Location | Certifications | License # |
|---|---|---|---|
| Amanda Hyatt | — | Installer | — |
| Blaine Davis | — | InstallerPumper | — |
| Brandon Bice | — | InstallerPumper | — |
| Brent Pickle | — | Installer | — |
| Brian Davis | — | InstallerPumper | — |
| Brian Goodwin | — | Installer | — |
| Carrol Caples | — | InstallerPumper | — |
| Chris Hettich | — | Pumper | — |
| Danny Wood | — | InstallerPumper | — |
| Derrick Pickle | — | InstallerPumper | — |
| Donny Wood | — | InstallerPumper | — |
| Frank Dixon | — | Installer | — |
| Jackie Pickle Jr. | — | InstallerPumper | — |
| James Pickle | — | InstallerPumper | — |
| Jared Smith | — | InstallerPumper | — |
| Jason Reno | — | InstallerPumper | — |
| Jason Wood | — | Installer | — |
| Jerry Guthrie | — | Installer | — |
| John Pickle | — | InstallerPumper | — |
| Johnny Hyatt | — | InstallerPumper | — |
| Jon Meeks | — | Pumper | — |
| Jonathan Pickle | — | Pumper | — |
| Jonathan White | — | InstallerPumper | — |
| Josh Goodwin | — | Pumper | — |
| Justin Gilliam | — | InstallerPumper | — |
| Justin Pickle | — | InstallerPumper | — |
| Kelly Watson | — | Installer | — |
| Mark Davis | — | InstallerPumper | — |
| Michael Murphy | — | Pumper | — |
| Nicholas Bridier | — | InstallerPumper | — |
| Patrick Pickle | — | InstallerPumper | — |
| Phillip Crews | — | InstallerPumper | — |
| Robert Meeks | — | InstallerPumper | — |
| Rodney Mcduffie | — | InstallerPumper | — |
| Roger Youngblood | — | InstallerPumper | — |
| Steven Davis | — | InstallerPumper | — |
| Steven Phillips | — | Installer | — |
| Suzette Fitts | — | Installer | — |
| Terry Ruff | — | Installer | — |
| Terry White | — | InstallerPumper | — |
| Tony Wood | — | InstallerPumper | — |
| Trenton Wright | — | Pumper | — |
| Wayne Pickle | — | InstallerPumper | — |
| William Manning | — | Installer | — |
44 companies in the Alabama Onsite Wastewater Board licensee roster are based in Jefferson County as of 2026-07-23. Companies based elsewhere in Alabama also commonly serve the county.
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