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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| W. L. Meekins, Inc. | Forestville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01406 |
| W. Wedmore Plumbing Co | Belcamp, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02066 |
| W.C. Logan & Sons, Inc. | Elkton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01643 |
| W.C. Rhoten Excavating INC | Hampstead, MD | — | Inspector (Property Transfer) | 00269 |
| W.F. Downs Plumbing LLC | Clements, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 02085 |
| W.J House P&H | Kingsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00261 |
| Wagner'S Construction Llc | Frederick, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02555 |
| Wally's Excavating | Hollywood, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01518 |
| Walsh Excavating LLC | Oxford, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01188 |
| Walter Development, Inc. | La Plata, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00441 |
| Walter Lee Bussard LLC | Myersville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00642 |
| Walters Environmental Services Inc. | Grantville, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02449 |
| Walters Services Inc. | Grantville, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01223 |
| Wandless Sewer & Drain Cleaning | Flintstone, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02184 |
| Ward Plumbing | Marydel, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00603 |
| Ward Plumbing Inc | Marydel, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 02255 |
| Washington Boyz Construction LLC | Nanjemoy, MD | — | Inspector (BAT O&M) | 00073 |
| Water services Inc | Waldorf, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02259 |
| Wayne McCusker | Cumberland, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT)Installer (Sand Mound) | 01145 |
| Wayne Rochkind Dba Ditch Pro | White Marsh, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02562 |
| Wayne's Drains | Avenue, MD | — | 00832 | |
| Wayne's Drains & Septic | Avenue, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01193 |
| Wayne's Drains & Septic Service LLC | Avenue, MD | — | 01471 | |
| Wenger Services LLC | Littlestown, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02460 |
| Western Maryland Septic | Oakland, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00395 |
| Wheatley Bros. | Cambridge, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01144 |
| White Oak Construction and Design | Elkton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02367 |
| Whitman, Requardt & Associates, LLP | Baltimore, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01801 |
| Wicho & Sons, LLC. | Elkton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01279 |
| Widgeon Properties LLC | Showell, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT) | 02287 |
| Wiles Mensch Corporation-DC | — | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02352 |
| Wilkerson & Associates | Dunkirk, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00634 |
| Wilkerson and Associates | Dunkirk, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00332 |
| Wilkerson Builders, Inc. | Newburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 00708 |
| Wilkerson Construction, Inc. | Newburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT) | 00709 |
| Wilkins Noble LLC | Princess Anne, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00690 |
| William (Matt) Haines | — | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT) | 02241 |
| William Bruck | Chambersburg, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00640 |
| William Derickson V | Warwick, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 02406 |
| William L. Pumphrey Plumbing & Heati | Baltimore, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02234 |
| William M Moore llc/ Moores portables | Belle Haven, VA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02458 |
| William Ressler | Pittsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 01232 |
| William Suite Excavating, Inc. | Mechanicsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01721 |
| Williams Plumbing LLC | Emmitsburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01237 |
| Willis V Fowler Excavating | Dunkirk, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00964 |
| Wind River Environmental | Crofton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00811 |
| Wind River Environmental | Salunga, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02000 |
| Wind River Environmental LLC | Crofton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02174 |
| Winn Contracting LLC | Linthicum Heights, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 02376 |
| Winner Development | Swanton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01884 |
| WL Gary Company Inc | Washington, DC | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02322 |
| Wm Gunter & Sons, Inc. | Rising Sun, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00392 |
| Wm Gunter& Son Inc | Rising Sun, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00393 |
| WM P McGovern Inc | West Chester, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01789 |
| Wood Backhoe Service LLC | Deale, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00714 |
| WRF & Sons Plumbing & Heating Inc | Mt. Airy, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (Sand Mound) | 00467 |
| WSC Plumbing LLC | Street, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01046 |
| WTC Contractors Inc | Westminster, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00723 |
| WTC III Plumbing & Heating INC | Woodbine, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 00650 |
| Wye Oak Construction LLC | Annapolis, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02303 |
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