| Watson's Plumbing and Heating Company INC | Aberdeen | Private (Property) | 4 | 3 | None |  AI Deep Dive |
| Arundel Well and Pump Service | Tracys Lndg | Private (Property) | 4 | 1 | None | AI Deep Dive |
| Gurvis Jones Well Drilling INC | Bel Air | Exempt For Hire | 4 | 2 | None | AI Deep Dive |
| Polo Farms Nursery | Kingsville | Private (Property) | 4 | 4 | None | AI Deep Dive |
| Wrf & Son Plumbing & Heating INC | Mount Airy | Authorized For Hire | 4 | 2 | None | AI Deep Dive |
| Burkhardt and Bartrum Contracting LLC | Dundalk | Private (Property) | 4 | 6 | None | AI Deep Dive |
| Fogles Well Drilling LLC | Sykesville | Private (Property) | 4 | 2 | None | AI Deep Dive |
| K J H Enterprises INC Plumbing & Heating | Fallston | Private (Property) | 3 | 1 | None | AI Deep Dive |
| Backwoods Well Drilling LLC | Hampstead | Private (Property) | 3 | 1 | None | AI Deep Dive |
| Mayne Well Drilling LLC | Mount Airy | Private (Property) | 3 | 3 | None | AI Deep Dive |
| Mid Shore Well Drilling | Secretary | Private (Property) | 3 | 1 | None | AI Deep Dive |
| All American Well and Pump Service INC | Glen Burnie | Private (Property) | 3 | 4 | None | AI Deep Dive |
| American Sparkle Water Service LLC | Smithsburg | Private (Property) | 3 | 2 | None | AI Deep Dive |
| Baltimore Tree Trust INC | Baltimore | Private (Property) | 3 | 5 | None | AI Deep Dive |
| Rj Transport Services | Brandywine | Private (Property) | 3 | 2 | None | AI Deep Dive |
| H J Greer & Sons Drilling Co INC | Severn | Private (Property) | 3 | 2 | None | AI Deep Dive |
| Ralph Mayne Well Drilling INC | Mt Airy | Private (Property) | 3 | 2 | None | AI Deep Dive |
| Brian Wilson Harris | Taneytown | Private (Property) | 3 | 1 | None | AI Deep Dive |
| Smilodon Systems LLC | West Friendship | Authorized For Hire | 3 | 2 | None | AI Deep Dive |
| Premier Water Services of Maryland LLC | Pasadena | Private (Property) | 3 | 1 | None | AI Deep Dive |
| Tymatt Industries Incorporated | Lothian | Private (Property) | 3 | 2 | None | AI Deep Dive |
| Courtney's Hauling | Frederick | Private (Property) | 3 | 2 | None | AI Deep Dive |
| Maritime Landscape Design Group LLC | Chestertown | Private (Property) | 3 | 2 | None | AI Deep Dive |
| R B Environmental Services INC | White Marsh | Authorized For Hire | 3 | 1 | None | AI Deep Dive |
| Lb Fiber Optic LLC | Glen Burnie | Authorized For Hire | 3 | 6 | None | AI Deep Dive |