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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| D L Wickline Inc. | Littlestown, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 00443 |
| D. Barnes Excavating LLC | Drayden, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT) | 01011 |
| D. Lee hagadorn LLC | Hurlock, MD | — | Inspector (BAT O&M) | 01140 |
| D.E. Nicholson Plumbing Repair, LLC | Worton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01658 |
| D.H. Steffens Co. | La Plata, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01168 |
| D.L. Poarch Excavation | North East, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 00973 |
| D.L. Weller Excavating | Hancock, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00630 |
| D.W. Olden LLC | Sharpsburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 01055 |
| D&D Hauling & Excavating | Fairfield, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01439 |
| D&D Hauling & Maintain | Mechanicsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00514 |
| D&D Homes Inc | Lusby, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (Sand Mound) | 00091 |
| D&D Investments | McHenry, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00824 |
| Daft, McCune, Walker Inc | Towson, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00637 |
| Dale Miller & Son Inc | Fawn Grove, PA | — | Inspector (BAT O&M)Installer (At-Grade)Installer (Sand Mound) | 00164 |
| Dameron Contracting LLC | Dameron, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 00830 |
| Dan Wood | Fishing Creek, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00975 |
| Daniel Consultants Inc | Columbia, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01503 |
| Danny McHenry Backhoe & Paving Inc | Kennedyville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00160 |
| Danny Miedzinski & Son Excavating, L | Hollywood, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00905 |
| Darbie and Sons Excavating Inc | Mechanicsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 02078 |
| Darling Ingedients | Baltimore, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01355 |
| Darling Ingedients | Curtis bay, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01356 |
| Darling Ingedients | Cutis Bay, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01357 |
| Dat Contracting LLC | Grantsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01372 |
| Dave's Pumping / Middleton Backhoe S | Waldorf, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00583 |
| David A Good excavation | Greensboro, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT)Installer (Sand Mound) | 02456 |
| David A. Bramble, Inc | Chestertown, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (Sand Mound) | 00139 |
| David C. Bullock General Contractor, In | Union Bridge, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01451 |
| David E. Stein Construction | Grantsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 02063 |
| David L. Harris Excavating | Mechanicsville, MD | — | Inspector (BAT O&M)Installer (At-Grade) | 01027 |
| Dayes Excavation LLC | Berlin, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 02301 |
| DDC Property Maintenance LLC | Earleville, MD | — | Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01172 |
| Deborah Johnson LLC | Baltimore, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT) | 02249 |
| Deep Creek Construction | Oakland, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02320 |
| Del Mar Construction, LLC | St. Michaels, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 01808 |
| Della & Sons Excavating LLC | La Plata, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01918 |
| Delmarva Environment, Inc. | Dagsboro, DE | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02410 |
| Delmorva Grounds Managements | Salisbury, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT) | 01320 |
| Dennis Reynolds Excavating | North East, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 02100 |
| Denrock Excavating | Oakland, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00388 |
| Denver Site Works | Forest Hill, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01978 |
| Derco Enterprise, Inc. | Huntingtown, MD | — | Installer (At-Grade)Installer (Sand Mound) | 01542 |
| Development Design Consultants Inc | Westminster, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00725 |
| Development Facilitators, Inc. | Millersville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00188 |
| Dewberry Engineers, Inc | Lanham, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01495 |
| DFS & Associates | Loveville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00601 |
| Dickson Plumbing | Clayton, DE | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT) | 02387 |
| Dietz Surveying, Inc | Baltimore, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01448 |
| Digiterra Design, LLC | Camp Springs, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01190 |
| Dillard's Septic Service | Annapolis, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00731 |
| Disney Sand & Gravel LLC | Salisbury, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 01139 |
| Diversified Applications | Thurmont, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02088 |
| DMH Plumbing & Excavating LLC | Huntingtown, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (Sand Mound) | 00525 |
| DMV Grease Trap, LLC | Germantown, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02179 |
| Donald Butler | Galena, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01459 |
| Donald D. Foster, Inc. | Easton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01796 |
| Donald Holbrook | Rising Sun, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT) | 01194 |
| Dorsey Construction Service LLC | Westminster, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 02401 |
| Double H Landworks Inc. | Big Pool, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT) | 01945 |
| Doug Vann Excavating, Inc. | Princess Anne, MD | — | Inspector (Property Transfer)Installer (At-Grade) | 00552 |
| Douglas Bourquin LLC | Severna Park, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00293 |
| Douglas Clark | Bishopville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01963 |
| Douglas Contracting LLC | Washington, DC | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT) | 02281 |
| Drain Chief LLC | Forest Hill, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (Sand Mound) | 00847 |
| Drain Tamers | Nanjemoy, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01443 |
| Draper Construction & Contracting LLC | Denton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 00819 |
| Drew Olden | Keedysville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 01334 |
| Driven Industries, LLC | Oakland, MD | — | Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02515 |
| DRS & Associates | Westminster, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00327 |
| Drum Loyka & Associates, LLC | Annapolis, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00242 |
| DSI, Inc. | Baltimore, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02005 |
| Dukes Septic Services LLC | Milton, DE | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02407 |
| Dun-Rite Septic Tank Services / Dun-R | Hampstead, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00993 |
| Duncan Home Improvement Services L | St. Leonard, MD | — | Inspector (BAT O&M) | 01577 |
| Duncan Lepper | Scotland, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00679 |
| Duncan's Septic & Backhoe Services L | Pasadena, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00054 |
| Dustin Construction | Ijamsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02329 |
| Duvall Brothers Inc | Easton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00815 |
| DXI Construction INC | Churchville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00776 |
| Dye Property Services LLC | Port Deposit, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 01905 |
| Dynamic Earth, LLC | Chester, NJ | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00519 |
| Dynamic Earth, LLC | Dunedin, FL | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00527 |
| Dynamic Earth, LLC | Annapolis, MD | — | Inspector (Property Transfer)Installer (BAT)Installer (Sand Mound) | 01280 |
| Dynamic Engineering Consultants PC | Annapolis, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00401 |
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