| A-1 AMBULANCE & TRANSPORT INC | Organization | CLINTON |
| ABINGDON FIRE COMPANY | Organization | ABINGDON |
| ACT TRANSPORTATION | Organization | HARWOOD |
| ADMINISTRATIVE SERVICES INC | Organization | BETHESDA |
| ADVANTAGE AMBULANCE INC | Organization | BALTIMORE |
| ALLEGANY AMBULANCE SERVICE INC | Organization | FROSTBURG |
| ALLEGANY COUNTY COUNTY COMMISSIONERS | Organization | CUMBERLAND |
| ALLEN VOLUNTEER FIRE CO., INC | Organization | ALLEN |
| ALLIANCE AMBULANCE SERVICE INC. | Organization | KINGSVILLE |
| AM-VAN INCORPORATED | Organization | LOTHIAN |
| AM-VAN, LLC | Organization | LOTHIAN |
| AMBUCARE AMBULANCE SERVICE INC. | Organization | BURTONSVILLE |
| ATLANTIC MEDICAL TRANSPORT, LLC | Organization | TOWSON |
| BEL AIR VOLUNTEER FIRE COMPANY, INC. | Organization | BEL AIR |
| BERLIN FIRE COMPANY EMERGENCY MEDICAL SERVICES INC | Organization | BERLIN |
| BERLIN FIRE COMPANY INC | Organization | BERLIN |
| BERWYN HEIGHTS VOLUNTEER FIRE DEPARTMENT AND RESCUE SQUAD INC. | Organization | BERWYN HEIGHTS |
| BEST CARE AMBULANCE, INC. | Organization | TRAPPE |
| BETTERTON VOLUNTEER FIRE COMPANY INC | Organization | BETTERTON |
| BITTINGER VOLUNTEER FIRE DEPARTMENT INC | Organization | BITTINGER |
| BLADENSBURG VOLUNTEER FIRE DEPARTMENT & RESCUE | Organization | BLADENSBURG |
| BLUE CRAB MED, LLC | Organization | LINTHICUM HEIGHTS |
| BOONSBORO AMBULANCE AND RESCUE SERVICE INCORPORATED | Organization | BOONSBORO |
| BOWMANS ADDITION VOLUNTEER FIRE COMPANY INC | Organization | CUMBERLAND |
| BRANCHVILLE VOLUNTEER FIRE COMPANY AND RESCUE SQUAD INC. | Organization | COLLEGE PARK |
| BRYANS ROAD VOL FIRE DEPT & RESCUE SQUAD INC | Organization | BRYANS ROAD |
| BUTLER MEDICAL TRANSPORT, LLC | Organization | WINDSOR MILL |
| CAROLINE COUNTY COMMISSIONERS DEPT. | Organization | DENTON |
| CECIL COUNTY | Organization | ELKTON |
| CECILTON VOLUNTEER FIRE CO INC | Organization | CECILTON |
| CENTRAL MARYLAND AMBULANCE | Organization | WESTMINSTER |
| CHARLES COUNTY RESCUE SQUAD INC | Organization | LA PLATA |
| CHARLESTOWN FIRE COMPANY INC | Organization | CHARLESTOWN |
| CHESAPEAKE EMS OF MARYLAND INC. | Organization | STREET |
| CHESAPEAKE MEDICAL TRANSPORT SERVICES LLC | Organization | WALDORF |
| CITY OF POCOMOKE | Organization | POCOMOKE |
| CITY OF SALISBURY | Organization | SALISBURY |
| COLLEGE PARK VOLUNTEER FIRE DEPARTMENT INC | Organization | COLLEGE PARK |
| COMMUNITY FIRE CO OF MILLINGTON INC. | Organization | MILLINGTON |
| CORRIGANVILLE VOLUNTEER FIRE DEPT INC | Organization | CORRIGANVILLE |
| COUNTY COMMISSIONERS ACCCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS ACCOUNTING OFFICE | Organization | FREDERICK |
| COUNTY COMMISSIONERS OF QUEEN ANNES COUNTY | Organization | CENTREVILLE |
| COUNTY COUNCIL OF DORCHESTER COUNTY | Organization | MADISON |
| CRESAPTOWN VOLUNTEER FIRE DEPARTMENT INC | Organization | CRESAPTOWN |