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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| E & M Contractors, Llc | Ethelsville, AL | — | Pumper | — |
| Earl Sanford Plumbing Co. | Laurel, MS | — | InstallerPumper | — |
| Earl'S Septic Tank & Plumbing | Shannon, MS | — | InstallerPumper | — |
| Edgar Contractin | Carhtage, MS | — | Installer | — |
| Edgeworth Excavation | Amory, MS | — | Installer | — |
| Edwards Septic Service | New Albany, MS | — | Pumper | — |
| Elite Sanitation | Gulfport, MS | — | Pumper | — |
| Elite Septic Solution | Hermanville, MS | — | Installer | — |
| Elk'S Septic Tank Service | Hattiesburg, MS | — | Installer | — |
| Elks Septic Tank | Hattiesburg, MS | — | Pumper | — |
| Elliott Contracting | Courtland, MS | — | Installer | — |
| Ellis Plumbing | Como, MS | — | Installer | — |
| Elvis L. Shaw | Forest, MS | — | Installer | — |
| Engle Construction & Utility | Magee, MS | — | Installer | — |
| Evans Septic Service | Theodore, AL | — | Installer | — |
| Evans Septic Services | Quitman, MS | — | Installer | — |
| Evans'S Plumbing & A\C | Hamilton, MS | — | Installer | — |
| Excavation Services | Macon, MS | — | Installer | — |
| Ez Flow Septic System Intall & Repair | Abbeville, MS | — | Installer | — |
A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · Z · 0-9