| American Medical Response, Inc. | Lewisville | TX | $712M |
| Excelsior Ambulance Service Inc. | Ludowici | GA | $128M |
| Reliance Medical Transport, LLC | Virginia Beach | VA | $70.1M |
| United Medevac Solutions, Inc. | Georgetown | TX | $54.4M |
| Acadian Ambulance Service Inc. | Lafayette | LA | $48M |
| Jan-care Ambulance Of North Central W.va., Inc. | Beckley | WV | $42.2M |
| Front Line Ems LLC | Boise | ID | $40.6M |
| Medshore Ambulance Service, Inc. | Anderson | SC | $40.2M |
| Medex Medical Transport Service Inc. | Ahoskie | NC | $37.7M |
| Alert Ambulance Service, Inc. | Fall River | MA | $36.7M |
| First Care Ohio LLC | Cincinnati | OH | $31.6M |
| Adventure Medics LLC | Bend | OR | $25.9M |
| Acadian Ambulance Service Of Texas, LLC | Lafayette | LA | $23.8M |
| Ambulance Management Services Limited | Terre Haute | IN | $22.9M |
| Lifeline Medical Services, Inc. | East Orange | NJ | $21.9M |
| Emergency Response Logistics, LLC | Hammond | LA | $20.8M |
| Wilderness Medics, Inc. | Hamilton | MT | $19.7M |
| HVM Associates LLC | East Orange | NJ | $19.3M |
| Metro West Ambulance Service, Inc. | Hillsboro | OR | $19.3M |
| Paramedics Unlimited, LLC | Phoenix | AZ | $19.2M |
| Legacy Ems Inc. | Melville | LA | $19.1M |
| Life Line Ambulance Service, Inc. | Prescott | AZ | $18.6M |
| Air Methods, LLC | Greenwood Village | CO | $18.4M |
| Reach Air Medical Services, LLC | Sacramento | CA | $17.5M |
| Pro Care Emergency Medical Services, LLC | Lawrenceville | GA | $16.9M |
| Brewster Ambulance Service Inc. | Weymouth | MA | $16.5M |
| Mercy Air Service Inc. | Greenwood Village | CO | $15.8M |
| Fireline Medics LLC | Moscow | ID | $15.5M |
| Ohio Ambulance Solutions, LLC | Euclid | OH | $15.4M |
| Professional Healthcare Associates, Inc. | Corona | CA | $15M |
| American Medical Response West | Lewisville | TX | $14.4M |
| Abbott Ambulance, Inc. | Saint Louis | MO | $13.9M |
| Bay Medic Transportation Inc. | Concord | CA | $13.9M |
| Western-star Hospital Authority Inc. | Atlanta | GA | $13.2M |
| Hero Client Rescue S.a. | Delmas | | $13.2M |
| Procare Ambulance Of Maryland, Inc. | Rosedale | MD | $12.6M |
| Minuteman Ems LLC | Piedmont | SD | $12.5M |
| Heartland Ambulance Service LLC | Muncie | IN | $12.4M |
| Priority One Medical Transport Inc. | East Mc Keesport | PA | $12.3M |
| Able Ambulance, Inc. | Marion | IN | $12.3M |
| Appointed Worldwide Holdings LLC | Killeen | TX | $11.9M |
| Citywide Mobile Response Corp. | Bronx | NY | $11.5M |
| Acadian Ambulance Service Of Tennessee, LLC | Memphis | TN | $10.7M |
| American Medical Response Of Tennessee Inc. | Athens | TN | $10.6M |
| Washington County - Johnson City Emergency Medical Services, Inc. | Johnson City | TN | $10.6M |
| Mountain Medics Inc. | Mount Shasta | CA | $10.2M |
| Lifefleet Southeast Inc. | Tampa | FL | $10.2M |
| Pafford Medical Services, Inc. | Hope | AR | $9.95M |
| Emergycare Inc. | Erie | PA | $9.86M |
| Hawaii Life Flight LLC | West Plains | MO | $9.86M |
| Lifecare Of Alabama Inc. | Hartselle | AL | $9.39M |
| K & W Medical Services Inc. | Lebanon | PA | $8.76M |
| Aprea Group LLC | Sugar Land | TX | $8.28M |
| Portsmouth Medic Transport LLC | Portsmouth | OH | $8.23M |
| Northeast Mobile Health Services | Saco | ME | $8.01M |
| Muskogee County Ems | Muskogee | OK | $7.53M |
| American Medical Response Of Connecticut, Inc. | East Haven | CT | $7.44M |
| Mayo Clinic Ambulance | Rochester | MN | $7.23M |
| Dalmor LLC | Euless | TX | $6.83M |
| Jan-care Ambulance Of Raleigh County, Inc. | Beckley | WV | $6.77M |
| Asteri Consulting Services LLC | Colorado Springs | CO | $6.7M |
| Rg Ambulance Service, Inc. | Miami | FL | $6.59M |
| American Medical Response Ambulance Service, Inc. | Tukwila | WA | $6.57M |
| Med-care Transportation LLC | Towson | MD | $6.49M |
| Bay Cities Ambulance | Coos Bay | OR | $6.49M |
| Medicone Medical Response Of Tennessee, Inc. | Celina | TX | $6.48M |
| Event Medical Solutions Unlimited, LLC | Rifle | CO | $6.46M |
| Huron Valley Ambulance Inc. | Ann Arbor | MI | $6.33M |
| C.H.L. Ems, Inc. | Visalia | CA | $6.25M |
| Frontline Medical LLC | Blairsden Graeagle | CA | $6.21M |
| Elite Medical Transport Of Texas LLC | El Paso | TX | $6.16M |
| Caribe Medical Supply Inc. | San Juan | PR | $5.99M |
| Trans-med Ambulance Inc. | Luzerne | PA | $5.93M |
| Med-trans Corporation | Lewisville | TX | $5.91M |
| Portsmouth Emergency Ambulance Service Inc. | Portsmouth | OH | $5.71M |
| Jan-care Ambulance Service Tri-state Division Inc. | Huntington | WV | $5.65M |
| Midwest Medical Transport Company, LLC | Columbus | NE | $5.64M |
| Bernalillo County Health Care Corp. | Albuquerque | NM | $5.61M |
| CLV Enterprises, Inc. | Bethany | OK | $5.57M |
| Premier Medical Transportation, Inc. | Redlands | CA | $5.32M |
| Guardian Flight LLC | South Jordan | UT | $5.27M |
| Mercy Ambulance Of Evansville, Inc. | Lexington | KY | $5.03M |
| Backcountry Response, LLC | Boise | ID | $5.02M |
| Med Transport Inc. | North Powder | OR | $4.9M |
| Professional Medical Transport, Inc. | Mesa | AZ | $4.83M |
| Medstar Ambulance, Inc. | Sparta | IL | $4.68M |
| Butler County Ems LLC | Poplar Bluff | MO | $4.62M |
| Haynes Ambulance Of Alabama Inc. | Montgomery | AL | $4.61M |
| Ems Team LLC | Vandalia | OH | $4.61M |
| North Memorial Health Care | Minneapolis | MN | $4.49M |
| Air Ems Inc. | Tulsa | OK | $4.42M |
| Medstar, Inc. | Clinton Township | MI | $4.35M |
| D.p. Murphy Ambulance Company | Grayslake | IL | $4.28M |
| Miller E.m.s., L.L.C. | Medford | OK | $4.17M |
| Crest Transportation Services Inc. | Brooklyn | NY | $4.05M |
| Careflight Limited | Northmead | | $3.96M |
| Remote Access Medical LLC | Powell Butte | OR | $3.88M |
| Cabell County Emergency Services | Huntington | WV | $3.86M |
| Action Ambulance Service Inc. | Wilmington | MA | $3.84M |
| K.W.P.H. Enterprises | Fresno | CA | $3.68M |
