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Exhibit 21.1

SUBSIDIARIES OF EMERGENCY MEDICAL SERVICES L.P.

JURISDICTION OF
ENTITY NAME FORMATION DOING BUSINESS AS

EmCare HoldCo, Inc. Delaware N/A
EmCare Holdings, Inc. Delaware N/A
EmCare, Inc. Delaware N/A
EMCA Insurance Company, Ltd. N/A Cayman Islands N/A
EmCare of Maryland LLC Maryland N/A
EmCare Contract of Arkansas, Inc. Arkansas N/A
EmCare of Alabama, Inc. Alabama N/A
EmCare of Arizona, Inc. Arizona N/A
EmCare of California, Inc. California N/A
EmCare of Colorado, Inc. Colorado N/A
EmCare of Connecticut, Inc. Connecticut N/A
EmCare of Florida, Inc. Florida N/A
EmCare of Georgia, Inc. Georgia N/A
EmCare of Hawaii, Inc. Hawaii N/A
EmCare of Indiana, Inc. Indiana N/A
EmCare of Iowa, Inc. Iowa N/A
EmCare of Kentucky, Inc. Kentucky N/A
EmCare of Louisiana, Inc. Louisiana N/A
EmCare of Maine, Inc. Maine N/A
EmCare of Michigan, Inc. Michigan N/A
EmCare of Minnesota, Inc. Minnesota N/A
EmCare of Mississippi, Inc. Mississippi N/A
EmCare of Missouri, Inc. Missouri N/A
EmCare of Nevada, Inc. Nevada N/A
EmCare of New Hampshire, Inc. New Hampshire N/A
EmCare of New Jersey, Inc. New Jersey N/A

JURISDICTION OF
ENTITY NAME FORMATION DOING BUSINESS AS

EmCare of New Mexico, Inc. New Mexico N/A
EmCare of New York, Inc. New York N/A
EmCare of North Carolina, Inc. North Carolina N/A
EmCare of North Dakota, Inc. North Dakota N/A
EmCare of Ohio, Inc. Ohio N/A
EmCare of Oklahoma, Inc. Oklahoma N/A
EmCare of Oregon, Inc. Oregon N/A
EmCare of Pennsylvania, Inc. Pennsylvania N/A
EmCare of Rhode Island, Inc. Rhode Island N/A
EmCare of South Carolina, Inc. South Carolina N/A
EmCare of Tennessee, Inc. Tennessee N/A
EmCare of Texas, Inc. Texas N/A
EmCare of Vermont, Inc. Vermont N/A
EmCare of Virginia, Inc. Virginia N/A
EmCare of Washington, Inc. Washington N/A
EmCare of West Virginia, Inc. West Virginia N/A
EmCare of Wisconsin, Inc. Wisconsin N/A
EmCare Physician Providers, Inc. Missouri N/A
EmCare Physician Services, Inc. Delaware N/A
EmCare Services of Illinois, Inc. Illinois N/A
EmCare Services of Massachusetts, Inc. Massachusetts N/A
EmCare Anesthesia Services, Inc. Delaware N/A
ECEP, Inc. Missouri N/A
Coordinated Health Services, Inc. Pennsylvania N/A
EM-CODE Reimbursement Solutions, Inc. Delaware N/A
Emergency Medicine Education Systems, Inc. Texas N/A
Emergency Specialists of Arkansas, Inc. II Texas N/A
First Medical/EmCare, Inc. California N/A

JURISDICTION OF
ENTITY NAME FORMATION DOING BUSINESS AS

Healthcare Administrative Services, Inc. Delaware Healthcare Services of
Georgia, Inc.
OLD STAT, Inc. Delaware N/A
Reimbursement Technologies, Inc. Pennsylvania N/A
STAT Physicians, Inc. Florida N/A
The Gould Group, Inc Texas N/A
Tifton Management Services, Inc. Georgia N/A
Tucker Emergency Services, Inc. Georgia N/A
Helix Physicians Management, Inc. California N/A
Norman Bruce Jetton, Inc. California N/A
Pacific Emergency Specialists Management, Inc. California N/A
American Emergency Physicians California N/A
Management, Inc.
Physician Account Management, Inc. Florida N/A
Provider Account Management, Inc. Delaware N/A
Charles T. Mitchell, M.D., Inc. Hawaii N/A
AMR HoldCo, Inc. Delaware N/A
American Medical Response, Inc. Delaware N/A
Hank's Acquisition Corp. Alabama N/A
Fountain Ambulance Service, Inc. Alabama N/A
MedLife Emergency Medical Service, Inc. Alabama N/A
American Medical Response Northwest, Inc. Oregon AMR Northwest, Inc.
Buck Medical Services, Inc.
Buck Healthcare Services
Buck Medical

JURISDICTION OF
ENTITY NAME FORMATION DOING BUSINESS AS

Clark County Wheelchair
Transportation
Medix
Pramed
American Medical Response
(AMR)

American Medical Response West California American Medical Response
AMR
Northern California Training
Institute
American Medical Response
(AMR)
911 Emergency Services
Sonoma Life Support
Mobile Life Support
Metropolitan Ambulance Service California N/A
American Medical Response of Inland Empire California AMR
American Medical Response
Desert 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/A
International Life Support, Inc. Hawaii American Medical Response
(AMR)
Medevac MidAmerica, Inc. Missouri American Medical Response
Medevac Medical Response, Inc. Missouri American Medical Response
American Medical Response of Oklahoma, Inc. Delaware American Medical Response
(AMR)
American Medical Response of Texas, Inc. Delaware American Medical Response
Kutz Ambulance Service, Inc. Wisconsin American Medical Response
(AMR)

JURISDICTION OF
ENTITY NAME FORMATION DOING BUSINESS AS

American Medical Response Holdings, Inc. Delaware N/A
American Medical Response Management, Inc. Delaware N/A
Regional Emergency Services, LP Delaware N/A
A1 Leasing, Inc. Florida N/A
Florida Emergency Partners, Inc. Texas N/A
Mobile 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 Response
AMR
Medic One Ambulance Services, Inc. Delaware American Medical Response
AMR
American Medical Response of South Delaware American Medical Response
Carolina, Inc. AMR

American Medical Response of North Delaware N/A
Carolina, Inc.
American Medical Response of Georgia, Inc. Delaware N/A
Troup County Emergency Medical Services Inc. Georgia N/A
Randle Eastern Ambulance Service, Inc. Florida American Medical Response
Medi-Car Systems, Inc. Florida American Medical Response
AMR
Medi-Car Ambulance Service, Inc. Florida American Medical Response
American Medical Response of Tennessee, Inc. Delaware American Medical Response
(AMR)
Physicians & Surgeons Ambulance Service Inc. Ohio American Medical Response
AMR
American Medical Response
of Ohio
AMR of Ohio
P & S Ambulance Service
American Medical Response of Illinois, Inc. Delaware American Medical Response

JURISDICTION OF
ENTITY NAME FORMATION DOING BUSINESS AS

Midwest Ambulance Management Company Delaware N/A
Paramed, Inc. Michigan American Medical Response
Ambucare
E.M.T.S., Inc.
Fleet Ambulance
American Medical Response
of Michigan
AMR of Michigan
ABC Courier Service
Life Line Ambulance
Service, Inc.
Paramed
Paravan
Pulse Emergency Medical
Systems
Riverside E.M.S.
Suburban Ambulance
Service
Mercy Ambulance of Evansville, Inc. Indiana American Medical Response
-AMR
Ambucare
Mercy Ambucare
Mercy Ambulance of
Evansville
AMR
AMR of Indiana
American Medical Response
of Indiana
American Medical Response
Premier Mobility Service
Tidewater Ambulance Service, Inc. Virginia American Medical Response
(AMR)

JURISDICTION OF
ENTITY NAME FORMATION DOING BUSINESS AS

American Medical Response of Connecticut AMR
Connecticut, Incorporated
American Medical Response
American Medical Response of Massachusetts Midland Ambulance Service
Massachusetts, Inc.
American Medical Response
(AMR)

American Medical Response
AMR

AMR Brockton, L.L.C. Delaware N/A
American Medical Response Mid-Atlantic, Pennsylvania Event Medical Services
Inc.
American Medical Response
(AMR)
American Medical Response
AMR
American Medical Response Delaware Delaware N/A
Valley, LLC
Ambulance Acquisition, Inc. Delaware N/A
Metro Ambulance Services, Inc. Georgia N/A
Broward Ambulance, Inc. Delaware American Medical Response
Atlantic Ambulance Services Acquisition Delaware American Medical Response
Inc.
AMR
Atlantic/Key West Ambulance, Inc. Delaware American Medical Response
Atlantic/Palm Beach Ambulance, Inc. Delaware American Medical Response
Seminole County Ambulance, Inc. Delaware American Medical Response
LifeFleet Southeast, Inc. Florida American Medical Response
American Medical Pathways, Inc. Delaware N/A
ProvidaCare, L.L.C. Texas N/A
Adam Transportation Service, Inc. New York American Medical Response
Associated Ambulance Service, Inc. New York American Medical Response
Park Ambulance Service Inc. New York American Medical Response
Five Counties Ambulance Service, Inc. New York American Medical Response

JURISDICTION OF
ENTITY NAME FORMATION DOING BUSINESS AS

Sunrise Handicap Transport Corp. New York American Medical Response
STAT Healthcare, Inc. Delaware N/A
Laidlaw Medical Transportation, Inc. Delaware American Medical Response
(AMR)
Mercy Ambulance of Fort Wayne
American Medical Response
American Medical Response
of Indiana
AMR of Fort Wayne
AMR of Indiana
Central Ambulance
Crossroads Ambulance Service
American Medtrans
Shepard Ambulance
Shepard Ambulance, Inc.
Shepard Paramedics, Inc.
Spokane Ambulance
Yakima Medic 1
Mercy, Inc. Nevada American Medical Response
(AMR)
American Investment Enterprises, Inc. Nevada Nevada Medi-Car
LifeCare Ambulance Service, Inc. Illinois N/A
TEK, Inc. Illinois American Medical Response
(AMR)
Mercy Life Care California N/A
Hemet Valley Ambulance Service, Inc. California American Medical Response
(AMR)
American Medical Response of Southern California American Medical Response
California (AMR)
Medic One of Cobb, Inc. Georgia N/A

JURISDICTION OF
ENTITY NAME FORMATION DOING BUSINESS AS

Puckett Ambulance Service, Inc. Georgia N/A
Global Medical Response, Inc. Delaware N/A
Global Emergency Medical Services Trinidad N/A
Limited
Tobago
Global Medical Response of Trinidad & Trinidad N/A
Tobago, Ltd. (Joint Venture)
Tobago