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
| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| M & M Plumbing Llc/ A & C Pumping | Laurel, MS | — | Installer | — |
| M & M Plumbing Llc/A & C Pumping | Laurel, MS | — | Pumper | — |
| M & M Portables, Llc | Carriere, MS | — | Pumper | — |
| M & M Solutions, Llc | Collierville, MS | — | Installer | — |
| M & O Service | Waynesboro, MS | — | Installer | — |
| M & O Services, Inc. | Waynesboro, MS | — | Pumper | — |
| M & S Construction | Silver Creek, MS | — | Installer | — |
| Mack Hatcher Construction | Pope, MS | — | Installer | — |
| Macon Septic Sytems | Macon, MS | — | Installer | — |
| Mad Lab Customs | Carriere, MS | — | Installer | — |
| Magic Rooter | Plantersville, MS | — | Installer | — |
| Magnolia Septic Systems Llc | Bailey, MS | — | Installer | — |
| Mahan & Sons Water & Septic | Vardaman, MS | — | Installer | — |
| Mahan & Sons Water & Sewer | Vardaman, MS | — | Installer | — |
| Mahan'S Plumbing | Water Valley, MS | — | Installer | — |
| Malone Construction & Electrical | Starkville, MS | — | Installer | — |
| Manues Plumbing Llc | Como, MS | — | Installer | — |
| March Home Repair, Llc | Byram, MS | — | Installer | — |
| Mark Colemans Plumbing | Hazlehurst, MS | — | Installer | — |
| Mark Mayhall Construction | Fulton, MS | — | Installer | — |
| Mars Installers, Llc | Meridian, MS | — | Installer | — |
| Marshall Septic Service | Hernando, MS | — | InstallerPumper | — |
| Martin Septic Ok Llc | Inola, OK | — | Installer | — |
| Marvin Freeman | Holcomb, MS | — | Installer | — |
| Mc Construction, Llc | Oxford, MS | — | Installer | — |
| Mccrary Plumbing & Drain Services, Llc | Grenada, MS | — | InstallerPumper | — |
| Mccurdy Construction, Inc | Mt. Olive, MS | — | Installer | — |
| Mcdaniel Land & Development | Meridian, MS | — | Installer | — |
| Mcdaniel'S A\C & Plumbing Inc | Grenada, MS | — | InstallerPumper | — |
| Mchan Construction, Llc | Vicksburg, MS | — | Installer | — |
| Mclin Septic Tank | Florence, MS | — | Installer | — |
| Mclin Septic Tank Service | Florence, MS | — | Pumper | — |
| Mcnabb Septic Service | Foxworth, MS | — | Installer | — |
| Mechanical Plus, Llc | Blue Springs, MS | — | Installer | — |
| Meredith Land Solutions, Llc | Clarksdale, MS | — | Installer | — |
| Michael Jordan Construction | Waynesboro, MS | — | Pumper | — |
| Michael Suggs | Charleston, MS | — | Installer | — |
| Mid South Service | Vidalia, LA | — | Installer | — |
| Mid State Septic Systems | Lena, MS | — | Installer | — |
| Mid-Delta Plumbing Service | Leland, MS | — | Installer | — |
| Mid-South Septic Tank Service Llc | Water Valley, MS | — | InstallerPumper | — |
| Midway Services, Llc | Summit, MS | — | Installer | — |
| Mighty Fresh, Llc | Brandon, MS | — | Pumper | — |
| Mike Nelson Contractors, Inc | Iuka, MS | — | Installer | — |
| Miller Enterprises, Llc | Hattiesburg, MS | — | Installer | — |
| Miller Plumbing, Inc. | Verona, MS | — | Installer | — |
| Miller, Joseph (Probationary) | Amory, MS | — | Installer | — |
| Miller, Kody (Probationary) | Mt. Olive, MS | — | Installer | — |
| Mills 1 | West Point, MS | — | Installer | — |
| Mills Plumbing Company | Como, MS | — | Installer | — |
| Milton Craig Digging Serv | Florence, MS | — | Installer | — |
| Mitchell Electric & Plumbing | Potts Camp, MS | — | Installer | — |
| Mitchell'S Dirt & Sod | Carriere, MS | — | Installer | — |
| Moffett Construction | Hattiesburg, MS | — | Installer | — |
| Monroe Septic Solutions, Llc | Amory, MS | — | InstallerPumper | — |
| Monroe Trenching | Amory, MS | — | Installer | — |
| Morris Ready Mix | Water Valley, MS | — | Installer | — |
| Mt Rentals, Llc | Brandon, MS | — | Pumper | — |
| Muddy Pearl Enterprise, Llc | Foxworth, MS | — | InstallerPumper | — |
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