Global Medical Response

In 2018, AMGH merged with ground ambulance operator American Medical Response (AMR) to form leading medical transportation company GMR. Headquartered in Lewisville Texas, provides air medical services transporting more than 75,000 critically ill patients each year operating through subsidiaries:

- Air Evac Lifeteam
- Med-Trans Corp
- Reach Air Medical Services ( + CALSTAR )
- EagleMed
- AirMed International ( fixed-wing aircraft )
- Lifeguard Ambulance
- AirMedCare Network
- Aviators Air Rescue
- Guardian Flight, ex AMRG acquired in 2018
- GMR acquired SevenBar

As of 2020, they use 7,000 ground vehicles, 111 fire vehicles, 306 helicopters and 106 fixed-wing aircraft making it the largest medical transport company in the world.