Exhibit 21.1  Subsidiaries of  Emergency Medical Services Corporation  and  Emergency Medical Services L.P.  Entity Name
  
  Jurisdiction of
  Formation
  
  Doing Business AsEmCare HoldCo, Inc.
  
  Delaware
  
  N/AEmCare Holdings, Inc.
  
  Delaware
  
  N/AEmCare, Inc.
  
  Delaware
  
  N/AEMCA Insurance Company, Ltd. N/A
  
  Cayman Islands
  
  N/AEmCare of Maryland LLC
  
  Maryland
  
  N/AEmCare Contract of Arkansas, Inc.
  
  Arkansas
  
  N/AEmCare of Alabama, Inc.
  
  Alabama
  
  N/AEmCare of Arizona, Inc.
  
  Arizona
  
  N/AEmCare of California, Inc.
  
  California
  
  N/AEmCare of Colorado, Inc.
  
  Colorado
  
  N/AEmCare of Connecticut, Inc.
  
  Connecticut
  
  N/AEmCare of Florida, Inc.
  
  Florida
  
  N/AEmCare of Georgia, Inc.
  
  Georgia
  
  N/AEmCare of Hawaii, Inc.
  
  Hawaii
  
  N/AEmCare of Indiana, Inc.
  
  Indiana
  
  N/AEmCare of Iowa, Inc.
  
  Iowa
  
  N/AEmCare of Kentucky, Inc.
  
  Kentucky
  
  N/AEmCare of Louisiana, Inc.
  
  Louisiana
  
  N/AEmCare of Maine, Inc.
  
  Maine
  
  N/AEmCare of Michigan, Inc.
  
  Michigan
  
  N/AEmCare of Minnesota, Inc.
  
  Minnesota
  
  N/AEmCare of Mississippi, Inc.
  
  Mississippi
  
  N/AEmCare of Missouri, Inc.
  
  Missouri
  
  N/AEmCare of Nevada, Inc.
  
  Nevada
  
  N/A


Entity Name
  
  Jurisdiction of
  Formation
  
  Doing Business AsEmCare of New Hampshire, Inc.
  
  New Hampshire
  
  N/AEmCare of New Jersey, Inc.
  
  New Jersey
  
  N/AEmCare of New Mexico, Inc.
  
  New Mexico
  
  N/AEmCare of New York, Inc.
  
  New York
  
  N/AEmCare of North Carolina, Inc.
  
  North Carolina
  
  N/AEmCare of North Dakota, Inc.
  
  North Dakota
  
  N/AEmCare of Ohio, Inc.
  
  Ohio
  
  N/AEmCare of Oklahoma, Inc.
  
  Oklahoma
  
  N/AEmCare of Oregon, Inc.
  
  Oregon
  
  N/AEmCare of Pennsylvania, Inc.
  
  Pennsylvania
  
  N/AEmCare of Rhode Island, Inc.
  
  Rhode Island
  
  N/AEmCare of South Carolina, Inc.
  
  South Carolina
  
  N/AEmCare of Tennessee, Inc.
  
  Tennessee
  
  N/AEmCare of Texas, Inc.
  
  Texas
  
  N/AEmCare of Vermont, Inc.
  
  Vermont
  
  N/AEmCare of Virginia, Inc.
  
  Virginia
  
  N/AEmCare of Washington, Inc.
  
  Washington
  
  N/AEmCare of West Virginia, Inc.
  
  West Virginia
  
  N/AEmCare of Wisconsin, Inc.
  
  Wisconsin
  
  N/AEmCare Physician Providers, Inc.
  
  Missouri
  
  N/AEmCare Physician Services, Inc.
  
  Delaware
  
  N/AEmCare Services of Illinois, Inc.
  
  Illinois
  
  N/AEmCare Services of Massachusetts, Inc.
  
  Massachusetts
  
  N/AEmCare Anesthesia Services, Inc.
  
  Delaware
  
  N/AECEP, Inc.
  
  Missouri
  
  N/ACoordinated Health Services, Inc.
  
  Pennsylvania
  
  N/AEM-CODE Reimbursement Solutions, Inc.
  
  Delaware
  
  N/AEmergency Medicine Education Systems, Inc.
  
  Texas
  
  N/AEmergency Specialists of Arkansas, Inc. II
  
  Texas
  
  N/AFirst Medical/EmCare, Inc.
  
  California
  
  N/A  2


Entity Name
  
  Jurisdiction of
  Formation
  
  Doing Business AsHealthcare Administrative Services, Inc.
  
  Delaware
  
  Healthcare Services of Georgia, Inc.OLD STAT, Inc.
  
  Delaware
  
  N/AReimbursement Technologies, Inc.
  
  Pennsylvania
  
  N/ASTAT Physicians, Inc.
  
  Florida
  
  N/AThe Gould Group, Inc
  
  Texas
  
  N/ATifton Management Services, Inc.
  
  Georgia
  
  N/ATucker Emergency Services, Inc.
  
  Georgia
  
  N/AHelix Physicians Management, Inc.
  
  California
  
  N/ANorman Bruce Jetton, Inc.
  
  California
  
  N/APacific Emergency Specialists Management, Inc.
  
  California
  
  N/AAmerican Emergency Physicians Management, Inc.
  
  California
  
  N/APhysician Account Management, Inc.
  
  Florida
  
  N/AProvider Account Management, Inc.
  
  Delaware
  
  N/ACharles T. Mitchell, M.D., Inc.
  
  Hawaii
  
  N/AEMS Management, Inc.
  
  Delaware
  
  N/AAmerican Medical Response, Inc.
  
  Delaware
  
  N/AHanks Acquisition Corp.
  
  Alabama
  
  N/AFountain Ambulance Service, Inc.
  
  Alabama
  
  N/AMedLife Emergency Medical Service, Inc.
  
  Alabama
  
  N/AAmerican Medical Response Northwest, Inc.
  
  Oregon
  
  AMR Northwest, Inc.Buck Medical Services, Inc.Buck Healthcare ServicesBuck MedicalClark County Wheelchair TransportationMedixPramedAmerican Medical Response (AMR)  3


Entity Name
  
  Jurisdiction of
  Formation
  
  Doing Business AsAmerican Medical Response West
  
  California
  
  American Medical ResponseAMRNorthern California Training InstituteAmerican Medical Response (AMR)911 Emergency ServicesSonoma Life SupportMobile Life SupportMetropolitan Ambulance Service
  
  California
  
  N/AAmerican Medical Response of Inland Empire
  
  California
  
  AMRAmerican Medical ResponseDesert Valley Medical Transport, Inc.
  
  California
  
  American Medical Response (AMR)Springs Ambulance Service, Inc.
  
  California
  
  American Medical Response (AMR)American Medical Response of Colorado, Inc.
  
  Delaware
  
  N/AInternational Life Support, Inc.
  
  Hawaii
  
  American Medical Response (AMR)Medevac MidAmerica, Inc.
  
  Missouri
  
  American Medical ResponseMedevac Medical Response, Inc.
  
  Missouri
  
  American Medical ResponseAmerican Medical Response of Oklahoma, Inc.
  
  Delaware
  
  American Medical Response (AMR)American Medical Response of Texas, Inc.
  
  Delaware
  
  American Medical ResponseKutz Ambulance Service, Inc.
  
  Wisconsin
  
  American Medical Response (AMR)  4


Entity Name
  
  Jurisdiction of
  Formation
  
  Doing Business AsAmerican Medical Response Holdings, Inc.
  
  Delaware
  
  N/AAmerican Medical Response Management, Inc.
  
  Delaware
  
  N/ARegional Emergency Services, LP
  
  Delaware
  
  N/AA1 Leasing, Inc.
  
  Florida
  
  N/AFlorida Emergency Partners, Inc.
  
  Texas
  
  N/AMobile Medic Ambulance Service, Inc.
  
  Delaware
  
  American Medical Response (AMR)Metro Ambulance Service, Inc.
  
  Delaware
  
  American Medical Response (AMR)Metro Ambulance Service (Rural), Inc.
  
  Delaware
  
  American Medical ResponseAMRMedic One Ambulance Services, Inc.
  
  Delaware
  
  American Medical ResponseAMRAmerican Medical Response of South
  Carolina, Inc.
  
  Delaware
  
  American Medical ResponseAMRAmerican Medical Response of North Carolina, Inc.
  
  Delaware
  
  N/AAmerican Medical Response of Georgia, Inc.
  
  Delaware
  
  N/ATroup County Emergency Medical Services, Inc.
  
  Georgia
  
  N/ARandle Eastern Ambulance Service, Inc.
  
  Florida
  
  American Medical ResponseMedi-Car Systems, Inc.
  
  Florida
  
  American Medical ResponseAMRMedi-Car Ambulance Service, Inc.
  
  Florida
  
  American Medical ResponseAmerican Medical Response of Tennessee, Inc.
  
  Delaware
  
  American Medical Response (AMR)  5


Entity Name
  
  Jurisdiction of
  Formation
  
  Doing Business AsPhysicians & Surgeons Ambulance
  Service, Inc.
  
  Ohio
  
  American Medical ResponseAMRAmerican Medical Response of OhioAMR of OhioP & S Ambulance ServiceAmerican Medical Response of Illinois, Inc.
  
  Delaware
  
  American Medical ResponseMidwest Ambulance Management Company
  
  Delaware
  
  N/AParamed, Inc.
  
  Michigan
  
  American Medical ResponseAmbucareE.M.T.S., Inc.Fleet AmbulanceAmerican Medical Response of MichiganAMR of MichiganABC Courier ServiceLife Line Ambulance Service, Inc.ParamedParavanPulse Emergency Medical SystemsRiverside E.M.S.Suburban Ambulance ServiceMercy Ambulance of Evansville, Inc.
  
  Indiana
  
  American Medical Response - AMRAmbucareMercy Ambucare  6


Entity Name
  
  Jurisdiction of
  Formation
  
  Doing Business AsMercy Ambulance of EvansvilleAMRAMR of IndianaAmerican Medical Response of IndianaAmerican Medical ResponsePremier Mobility ServiceTidewater Ambulance Service, Inc.
  
  Virginia
  
  American Medical Response (AMR)American Medical Response of Connecticut,
  
  Connecticut
  
  AMRIncorporated
  
  
  
  American Medical ResponseAmerican Medical Response of
  Massachusetts, Inc.
  
  Massachusetts
  
  Midland Ambulance ServiceAmerican Medical Response (AMR)American Medical ResponseAMRAMR Brockton, L.L.C.
  
  Delaware
  
  N/AAmerican Medical Response Mid-Atlantic, Inc.
  
  Pennsylvania
  
  Event Medical ServicesAmerican Medical Response (AMR)American Medical ResponseAMRAmerican Medical Response Delaware Valley, LLC
  
  Delaware
  
  N/AAmbulance Acquisition, Inc.
  
  Delaware
  
  N/AMetro Ambulance Services, Inc.
  
  Georgia
  
  N/ABroward Ambulance, Inc.
  
  Delaware
  
  American Medical Response  7


Entity Name
  
  Jurisdiction of
  Formation
  
  Doing Business AsAtlantic Ambulance Services Acquisition, Inc.
  
  Delaware
  
  American Medical ResponseAMRAtlantic/Key West Ambulance, Inc.
  
  Delaware
  
  American Medical ResponseAtlantic/Palm Beach Ambulance, Inc.
  
  Delaware
  
  American Medical ResponseSeminole County Ambulance, Inc.
  
  Delaware
  
  American Medical ResponseLifeFleet Southeast, Inc.
  
  Florida
  
  American Medical ResponseAmerican Medical Pathways, Inc.
  
  Delaware
  
  N/AProvidaCare, L.L.C.
  
  Texas
  
  N/AAdam Transportation Service, Inc.
  
  New York
  
  American Medical ResponseAssociated Ambulance Service, Inc.
  
  New York
  
  American Medical ResponsePark Ambulance Service Inc.
  
  New York
  
  American Medical ResponseFive Counties Ambulance Service, Inc.
  
  New York
  
  American Medical ResponseSunrise Handicap Transport Corp.
  
  New York
  
  American Medical ResponseSTAT Healthcare, Inc.
  
  Delaware
  
  N/ALaidlaw Medical Transportation, Inc.
  
  Delaware
  
  American Medical Response (AMR)Mercy Ambulance of Fort WayneAmerican Medical ResponseAmerican Medical Response of IndianaAMR of Fort WayneAMR of IndianaCentral Ambulance  8


Entity Name
  
  Jurisdiction of
  Formation
  
  Doing Business AsCrossroads Ambulance ServiceAmerican MedtransShepard AmbulanceShepard Ambulance, Inc.Shepard Paramedics, Inc.Spokane AmbulanceYakima Medic 1Mercy, Inc.
  
  Nevada
  
  American Medical Response (AMR)American Investment Enterprises, Inc.
  
  Nevada
  
  Nevada Medi-CarLifeCare Ambulance Service, Inc.
  
  Illinois
  
  N/ATEK, Inc.
  
  Illinois
  
  American Medical Response (AMR)Mercy Life Care
  
  California
  
  N/AHemet Valley Ambulance Service, Inc.
  
  California
  
  American Medical Response (AMR)American Medical Response of Southern California
  
  California
  
  American Medical Response (AMR)Medic One of Cobb, Inc.
  
  Georgia
  
  N/APuckett Ambulance Service, Inc.
  
  Georgia
  
  N/AGlobal Medical Response, Inc.
  
  Delaware
  
  N/AGlobal Emergency Medical Services Limited
  
  Trinidad
  
  N/ATobagoGlobal Medical Response of Trinidad &
  Tobago, Ltd.
  
  Trinidad
  
  N/A(Joint Venture)
  
  TobagoGlobal Medical Response of Barbados Limited
  
  Barbados
  
  N/AEHR Management Co.
  
  Delaware
  
  N/AAir Ambulance Specialists, Inc.
  
  Colorado
  
  N/ARadstaffing Management Solutions, Inc.
  
  Delaware
  
  N/AMission Care Services, LLC
  
  Missouri
  
  Access2CareMission Care of Illinois, LLC
  
  Illinois
  
  Abbott EMSMission Care of Missouri, LLC
  
  Missouri
  
  Abbott EMSAbbott AmbulanceAccess2Care, LLC
  
  Missouri
  
  N/AAbbott Ambulance, Inc.
  
  Missouri
  
  Abbott EMSAbbott ServicesIHM Health Studies CenterNevada Red Rock Holdings, Inc.
  
  Delaware
  
  N/ANevada Red Rock Ambulance, Inc.
  
  Delaware
  
  N/AMedicWest Holdings, Inc.
  
  Delaware
  
  N/AMedicWest Ambulance, Inc.
  
  Nevada
  
  MedicWestMedicWest AmbulanceMedicWest EMSMedicWest Health Science CenterRadiology Staffing Solutions, Inc.
  
  Delaware
  
  N/A  9