| 1831389824 | 1st Response Medical Transport Corp. | Organization | Ambulance | Baltimore, MD |
| 1306918206 | A-1 Ambulance & Transport Inc | Organization | Land Ambulance | Clinton, MD |
| 1164405171 | A-1 Ambulance & Transport, Inc. | Organization | Ambulance | Clinton, MD |
| 1124180070 | Abingdon Fire Company | Organization | Land Ambulance | Abingdon, MD |
| 1336338243 | Administrative Services Inc | Organization | Land Ambulance | Bethesda, MD |
| 1578615043 | Allegany Ambulance Service Inc | Organization | Land Ambulance | Frostburg, MD |
| 1740211648 | Allen Volunteer Fire Co., Inc | Organization | Land Ambulance | Allen, MD |
| 1235162520 | Am-Van Incorporated | Organization | Land Ambulance | Lothian, MD |
| 1184703753 | Americare Ambulance Service Inc | Organization | Ambulance | Nottingham, MD |
| 1891857652 | Bel Air Volunteer Fire Company, Inc. | Organization | Land Ambulance | Bel Air, MD |
| 1891863585 | Berlin Fire Company Inc | Organization | Land Ambulance | Berlin, MD |
| 1346370343 | Berwyn Heights Volunteer Fire Department and Rescue Squad Inc. | Organization | Land Ambulance | Berwyn Heights, MD |
| 1578671228 | Best Care Ambulance, Inc. | Organization | Land Ambulance | Trappe, MD |
| 1275511347 | Betterton Volunteer Fire Company Inc | Organization | Land Ambulance | Betterton, MD |
| 1023013034 | Bladensburg Volunteer Fire Department & Rescue | Organization | Land Ambulance | Bladensburg, MD |
| 1265359582 | Blue Crab Med, LLC | Organization | Land Ambulance | Linthicum Heights, MD |
| 1063442739 | Boonsboro Ambulance and Rescue Service Incorporated | Organization | Land Ambulance | Boonsboro, MD |
| 1366472771 | Bowmans Addition Volunteer Fire Company Inc | Organization | Land Ambulance | Cumberland, MD |
| 1326043340 | Branchville Volunteer Fire Company and Rescue Squad Inc. | Organization | Land Ambulance | College Park, MD |
| 1477583672 | Butler Medical Transport, LLC | Organization | Land Ambulance | Windsor Mill, MD |
| 1669498879 | Caroline County Commissioners Dept. | Organization | Land Ambulance | Denton, MD |
| 1992784524 | Cecilton Volunteer Fire Co Inc | Organization | Land Ambulance | Cecilton, MD |
| 1346381233 | Central Maryland Ambulance | Organization | Land Ambulance | Westminster, MD |
| 1467495523 | Charles County County Commissioners | Organization | Ambulance | La Plata, MD |
| 1699797704 | Charlestown Community, Inc | Organization | Ambulance | Catonsville, MD |
| 1063508455 | Charlestown Fire Company Inc | Organization | Land Ambulance | Charlestown, MD |
| 1023134566 | City of Pocomoke | Organization | Land Ambulance | Pocomoke, MD |
| 1194756502 | City of Salisbury | Organization | Land Ambulance | Salisbury, MD |
| 1942206420 | College Park Volunteer Fire Department Inc | Organization | Land Ambulance | College Park, MD |
| 1942254941 | Community Fire Co of Millington Inc. | Organization | Land Ambulance | Millington, MD |
| 1871523282 | Corriganville Volunteer Fire Dept Inc | Organization | Land Ambulance | Corriganville, MD |
| 1215062567 | County Commissioners Acccounting Office | Organization | Land Ambulance | Frederick, MD |
| 1134254485 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1356476618 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1093841900 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1821124348 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1871629824 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1558497115 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1336275858 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1043346604 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1063549418 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1134255599 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1659407047 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1801922232 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1730215187 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1306973292 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1104953066 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1518093988 | County Commissioners Accounting Office | Organization | Land Ambulance | Frederick, MD |
| 1275695116 | County Commissioners of Queen Annes County | Organization | Land Ambulance | Centreville, MD |
| 1255360970 | County Council of Dorchester County | Organization | Land Ambulance | Madison, MD |