Exhibit 21.1

Subsidiaries of

Emergency Medical Services Corporation

and

Emergency Medical Services L.P.



|                                  |  |                          |  |                  
|--------------------------------- |  | ------------------------ |  | -----------------
|Entity Name                       |  | Jurisdiction ofFormation |  | 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              



---

|                                           |  |                           |  |                  
|------------------------------------------ |  | ------------------------- |  | -----------------
|Entity Name                                |  | Jurisdiction of Formation |  | Doing Business As
|                                           |  |                          
|EmCare of New Hampshire, Inc.              |  | New Hampshire             |  | N/A              
|                                           |  |                          
|EmCare of New Jersey, Inc.                 |  | New Jersey                |  | N/A              
|                                           |  |                          
|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              



2



---

|                                               |  |                          |  |                                       
|---------------------------------------------- |  | ------------------------ |  | --------------------------------------
|Entity Name                                    |  | Jurisdiction ofFormation |  | Doing Business As                     
|                                               |  |                         
|Healthcare Administrative Services, Inc.       |  | Delaware                 |  | Healthcare Services ofGeorgia, 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 Management, Inc. |  | California               |  | N/A                                   
|                                               |  |                         
|Physician Account Management, Inc.             |  | Florida                  |  | N/A                                   
|                                               |  |                         
|Provider Account Management, Inc.              |  | Delaware                 |  | N/A                                   
|                                               |  |                         
|Charles T. Mitchell, M.D., Inc.                |  | Hawaii                   |  | N/A                                   
|                                               |  |                         
|EMS Management, 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                          
|                                               |  |                         
|                                               |  |                          |  | Clark County Wheelchair Transportation
|                                               |  |                         
|                                               |  |                          |  | Medix                                 
|                                               |  |                         
|                                               |  |                          |  | Pramed                                
|                                               |  |                         
|                                               |  |                          |  | American Medical                      
|                                               |  |                         
|                                               |  |                          |  | Response (AMR)                        



3



---

|                                            |  |                          |  |                                       
|------------------------------------------- |  | ------------------------ |  | --------------------------------------
|Entity Name                                 |  | Jurisdiction ofFormation |  | Doing Business As                     
|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)       



4



---

|                                                  |  |                          |  |                                
|------------------------------------------------- |  | ------------------------ |  | -------------------------------
|Entity Name                                       |  | Jurisdiction ofFormation |  | 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 Carolina, Inc. |  | Delaware                 |  | American Medical Response      
|                                                  |  |                         
|                                                  |  |                          |  | AMR                            
|                                                  |  |                         
|American Medical Response of North Carolina, Inc. |  | Delaware                 |  | N/A                            
|                                                  |  |                         
|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)



5



---

|                                              |  |                          |  |                                      
|--------------------------------------------- |  | ------------------------ |  | -------------------------------------
|Entity Name                                   |  | Jurisdiction ofFormation |  | Doing Business As                    
|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            
|                                              |  |                         
|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                       



6



---

|                                                       |  |                          |  |                                     
|------------------------------------------------------ |  | ------------------------ |  | ------------------------------------
|Entity Name                                            |  | Jurisdiction ofFormation |  | Doing Business As                   
|                                                       |  |                          |  | 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)     
|                                                       |  |                         
|American Medical Response of Connecticut, Incorporated |  | Connecticut              |  | AMR                                 
|                                                       |  |                         
|                                                       |  |                          |  | American Medical Response           
|                                                       |  |                         
|American Medical Response of Massachusetts, Inc.       |  | Massachusetts            |  | Midland Ambulance Service           
|                                                       |  |                         
|                                                       |  |                          |  | American Medical Response (AMR)     
|                                                       |  |                         
|                                                       |  |                          |  | American Medical Response           
|                                                       |  |                         
|                                                       |  |                          |  | AMR                                 
|                                                       |  |                         
|AMR Brockton, L.L.C.                                   |  | Delaware                 |  | N/A                                 
|                                                       |  |                         
|American Medical Response Mid-Atlantic, Inc.           |  | Pennsylvania             |  | Event Medical Services              
|                                                       |  |                         
|                                                       |  |                          |  | American Medical Response (AMR)     
|                                                       |  |                         
|                                                       |  |                          |  | American Medical Response           
|                                                       |  |                         
|                                                       |  |                          |  | AMR                                 
|                                                       |  |                         
|American Medical Response Delaware Valley, LLC         |  | Delaware                 |  | N/A                                 
|                                                       |  |                         
|Ambulance Acquisition, Inc.                            |  | Delaware                 |  | N/A                                 
|                                                       |  |                         
|Metro Ambulance Services, Inc.                         |  | Georgia                  |  | N/A                                 
|                                                       |  |                         
|Broward Ambulance, Inc.                                |  | Delaware                 |  | American Medical Response           



7



---

|                                              |  |                          |  |                                     
|--------------------------------------------- |  | ------------------------ |  | ------------------------------------
|Entity Name                                   |  | Jurisdiction ofFormation |  | Doing Business As                   
|Atlantic Ambulance Services Acquisition, Inc. |  | Delaware                 |  | American Medical Response           
|                                              |  |                         
|                                              |  |                          |  | 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           
|                                              |  |                         
|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                   



8



---

|                                                                   |  |                          |  |                                
|------------------------------------------------------------------ |  | ------------------------ |  | -------------------------------
|Entity Name                                                        |  | Jurisdiction ofFormation |  | Doing Business As              
|                                                                   |  |                          |  | 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                   |  | California               |  | American Medical Response (AMR)
|                                                                   |  |                         
|Medic One of Cobb, Inc.                                            |  | Georgia                  |  | N/A                            
|                                                                   |  |                         
|Puckett Ambulance Service, Inc.                                    |  | Georgia                  |  | N/A                            
|                                                                   |  |                         
|Global Medical Response, Inc.                                      |  | Delaware                 |  | N/A                            
|                                                                   |  |                         
|Global Emergency Medical Services Limited                          |  | Trinidad                 |  | N/A                            
|                                                                   |  |                         
|                                                                   |  | Tobago                   |  |                                
|                                                                   |  |                         
|Global Medical Response of Trinidad & Tobago, Ltd. (Joint Venture) |  | Trinidad                 |  | N/A                            
|                                                                   |  |                         
|                                                                   |  | Tobago                   |  |                                
|                                                                   |  |                         
|Global Medical Response of Barbados                                |  | Barbados                 |  | N/A                            
|                                                                   |  |                         
|Limited                                                            |  |                          |  |                                



9