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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| M.A.F & Associates, LLC | Severna Park, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00145 |
| M.T. Gaither | Brookeville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02124 |
| M.W. Pride Inc | Delta, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (Sand Mound) | 00605 |
| M&M Environment LLC | Glen Burnie, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02159 |
| M&M Excavating Inc | Huntingtown, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (Sand Mound) | 01057 |
| M&N Excavating | Oakland, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02284 |
| Macris, Hendricks & Glascock, P.A | Montgomery Village, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT) | 00648 |
| Madden Plumbing and HVAC Inc. | Beltsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01036 |
| Madison Mechanical Contracting LLC | Catonsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01245 |
| Magnolia Group | Sunderland, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (Sand Mound) | 01628 |
| Magnolia Plumbing | Waldorf, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00471 |
| Magnolia Plumbing | Suitland, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00553 |
| Magnolia Plumbing, Inc. | Washington, DC | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00943 |
| Magnolia Plumbing, Inc. | Laurel, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01537 |
| Mahon Plumbing Inc | Baltimore, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00159 |
| Maintenance Solutions LLC | Hurlock, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01368 |
| Manor Excavating Inc | Phoenix, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02335 |
| Manor General LLC | Monkton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02334 |
| Marc D Hereth Construction LLC | Woodbine, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (Sand Mound) | 02141 |
| Marcos Alvarez | — | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02289 |
| Marcum Plumbing Services Inc. | Jarrettsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02304 |
| Marino Plumbing & Heating #8539 | Rosedale, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01360 |
| Mark E. Breeding & Son Excavating, LL | Federalsburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00193 |
| Mark T Hudson Landscaping & Excava | Elkton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 01267 |
| Mark Williams | Leonardtown, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00710 |
| Mark's Lawn Service Inc. | Huntingtown, MD | — | Installer (At-Grade)Installer (Sand Mound) | 00083 |
| Marples Mulching LLC | Oakland, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02469 |
| Marshall's Excavating, Inc. | Port Tobacco, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01163 |
| Marston & Son Septic Service & Installa | Conowingo, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02189 |
| Martin's Excavation & Hauling LLC | Centreville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01476 |
| Maryland Land Services LLC | Mt. Airy, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT) | 00112 |
| Maryland Mechanical Systems, Inc. | Baltimore, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02102 |
| Matarazzo Contracting LLC | Churchville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02099 |
| Mathena Septic Service Inc. | Westminster, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (Sand Mound) | 00337 |
| Matis Consultants, LLC | Baltimore, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01263 |
| Matis Warfield Inc | Sparks, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01300 |
| Mattera Excavating & Hauling, LLC | Huntingtown, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01968 |
| Matthew Hearn | Pittsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT)Installer (Sand Mound) | 02261 |
| Matthew Rust, LLC | Hurlock, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 02168 |
| Matthew S. Keen Construction | Lusby, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (Sand Mound) | 00154 |
| Matthews Excavating | Worton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 01158 |
| Mausen Homes LLC | La Plata, MD | — | Inspector (Property Transfer) | 01772 |
| Maust Excavating | Accident, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02062 |
| Mayes Septic & Port A Pots LLC | Hagerstown, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02216 |
| McCrone | Centreville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00404 |
| McCRONE Professional Engineers & S | Elkton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01504 |
| McCRONE Professional Engineers & S | Annapolis, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01696 |
| McDonald & Sons Contracting LLC | Spring Grove, PA | — | Inspector (BAT O&M)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01924 |
| McKeon Associates Inc. | Street, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00161 |
| MCS Plumbing | Waldorf, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02467 |
| MCS Pumping (Management Consulta | Waldorf, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01738 |
| Meekins Outdoor LLC | Accident, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02532 |
| Messick & Associates | Annapolis, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00419 |
| Messick & Associates | — | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01181 |
| Messick & Asssociates | Annapolis, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00435 |
| Messick and Associates | — | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00420 |
| Messick and Associates | Annapolis, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00674 |
| Messick and Associates Inc | — | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00464 |
| Messick Group inc | — | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00376 |
| Messick Home Improvement Inc | Salisbury, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02139 |
| Messick Home Improvements Inc | Salisbury, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT) | 00903 |
| Michael and Son Services, Inc | Baltimore, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02384 |
| Michael Clarke | Hollywood, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02246 |
| Michael Runk Plumbing & Heating LLC | Sykesville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02067 |
| Michael Septic Service | Finksburg, MD | — | Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00346 |
| Mick'S Plumbing & Heating, Inc | Thurmont, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01052 |
| Mid Atlantic Septic | Elkton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00772 |
| Mid Atlantic Septic / Nichols Septic Ser | Elkton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT) | 02389 |
| Mid Maryland Excavating Inc | Jefferson, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00808 |
| Mid-Atlantic Water Services | Annapolis, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01243 |
| Middleton Backhoe Service LLC (Dave | Waldorf, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 00341 |
| Middleton's Construction Co., LLC | Centreville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00904 |
| Midshore Septic | Federealsburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01096 |
| Mike Bitner Company | Deposit, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01220 |
| Mike Bowes & Sons Contracting | Callaway, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (BAT) | 00981 |
| Mike Jones Plumbing, LLC | Mechanicsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02342 |
| Mike's Custom Homes Inc | Centreville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00694 |
| Mikes Excavation | Stevensville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02465 |
| Miller's Land Services Inc | Princess Anne, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00342 |
| Miller's Septic Service | Crownsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00689 |
| Mini Excavation Services | Aberdeen, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00084 |
| Mirfin Excavating & Paving LLC | Hanover, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT) | 01779 |
| Mitchells service center llc | Hollywood, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT) | 02263 |
| Mks Architecture Llc | Severna Park, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02556 |
| Mona Excavating | La Plata, MD | — | Inspector (BAT O&M)Installer (At-Grade) | 01653 |
| Monocacy Custome services Inc | Barnesville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT) | 00812 |
| Monumental Lnad Surveys LLC | Owings, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01272 |
| Morgan Creek General Contracting LLC | Middletown, DE | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01960 |
| Morgan E. Russee Inc. | Huntingtown, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00561 |
| Mountain Top Excavating & Constructio | Blue Ridge Summit, PA | — | Inspector (BAT O&M)Inspector (Property Transfer) | 01105 |
| Mountain Top Excavation | Frostburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00635 |
| Mountain Valley Outdoor Services | Oakland, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01962 |
| Mowbray Excavation | Cambridge, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (Sand Mound) | 00906 |
| Mowbrays Backhoe Services LLC | Federalsburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 01845 |
| MRG Plumbing | West Friendship, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01457 |
| MTM Plumbing Works LLC | Mount Airy, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02474 |
| MTR Construction LLC | Oaklanad, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01257 |
| Mullenax Excavating, Inc | Ottsville, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02504 |
| Murphy's Septic & Excavating | Ijamsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00536 |
| Murray Underground Services | Frederick, MD | — | 00344 | |
| Musselman Excavating, Inc. | Libertytown, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02252 |
| MW Willard Plumbing & Heating Inc. | Sharpsburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02453 |
A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z · 0-9