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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| R & R Rentals And Hotshot, Inc. | Laurel, MS | — | Pumper | — |
| R J Services & Excavating | Clarksdale, MS | — | Installer | — |
| R K T And T Contractor Inc | Kilmichael, MS | — | Installer | — |
| R Q Construction | Randolph, MS | — | Installer | — |
| R&M Environmental Septic Service | New Augusta, MS | — | Installer | — |
| R&R Earthworks, Llc | Michie, TN | — | Installer | — |
| R&W Heating, Air, Plumbing, Electricial, Inc. | Nesbit, MS | — | Installer | — |
| R&Y Sons, Llc | Gulfport, MS | — | Installer | — |
| Rainey Farms | Lucedale, MS | — | Installer | — |
| Ray, Matthew (Probationary) | Mobile, AL | — | Installer | — |
| Rayborn'S Septic Service | Jayess, MS | — | Installer | — |
| Rdi Corporation | Columbus, MS | — | Installer | — |
| Rebel High Velocity Sewer Services | Jackson, MS | — | Pumper | — |
| Redeemed Plumbing Llc | Sarah, MS | — | Installer | — |
| Reece Plumbing | Madison, MS | — | Installer | — |
| Reliable Plumbing | State Line, MS | — | Installer | — |
| Reynolds Pumping And Septic Services Llc | Liberty, MS | — | InstallerPumper | — |
| Rez Rental Llc | Brandon, MS | — | Pumper | — |
| Rhoda Construction | Hernando, MS | — | Installer | — |
| Rippy Land Services, Llc | Nettleton, MS | — | Installer | — |
| River Road Construction | Sulligent, AL | — | Installer | — |
| Rmj Construction | Saltillo, MS | — | Installer | — |
| Roberson Enterprise, Llc | Georgetown, MS | — | Installer | — |
| Robert Walden & Co | Tishomingo, MS | — | Installer | — |
| Robertson'S Construction | West Point, MS | — | Installer | — |
| Robinson, Justin (Probationary) | Osyka, MS | — | Installer | — |
| Root Hog, Inc. | Hickory, MS | — | Pumper | — |
| Ross Jackson Plumbing, Inc | Brookhaven, MS | — | InstallerPumper | — |
| Roto-Rooter Sewer Service | Columbus, MS | — | InstallerPumper | — |
| Roy Worley Septic Tank Service | Grenada, MS | — | InstallerPumper | — |
| Royal Flush | State Line, MS | — | Pumper | — |
| Royal Flush Septi Services, Llc | State Line, MS | — | Installer | — |
| Royal Flush Septic Services, Llc | State Line, MS | — | Installer | — |
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