| Company | Location | Certifications | License # |
|---|---|---|---|
| Anderson Pumping Service, LLC | — | InstallerPumper | — |
| Bell's Grading & Septic | — | Installer | — |
| Clark's Backhoe & Hauling | — | Installer | — |
| Classic Built LLC | — | Installer | — |
| Dirty Little Diggers LLC | — | Installer | — |
| Doug Campbell's Backhoe Service | — | Installer | — |
| Economy Home Builders | — | Installer | — |
| Haley's Backhoe & Yardwork | — | Installer | — |
| High Rise Septic Install and Pumping | — | Installer | — |
| J.L. Adams, Inc. | — | InstallerPumper | — |
| JP Fleming Enterprises, LLC | — | Installer | — |
| Lake Hartwell Land Management, LLC | — | Installer | — |
| McLane Backhoe Dozer | — | Installer | — |
| Milford Excavating, INC | — | Installer | — |
| Phillips Appliance & Plumbing Svc | — | Installer | — |
| Roy's Grading | — | Installer | — |
| Southern Septic Solutions LLC | — | Pumper | — |
| Summit Farm Services, LLC | — | Installer | — |
| William O. Tucker, Inc. | — | Installer | — |
| York & Sons, DBA Howard Grant York | — | Installer | — |
20 companies in the Georgia DPH certified septic installer & approved pumper lists are based in Hart County as of 2026-07-23. Companies based elsewhere in Georgia also commonly serve the county.
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