American Medical Response, Inc. (AMR) is a private ambulance company in the United States that provides and manages emergency medical services, non-emergency and managed transportation, rotary and fixed-wing air ambulance services, and disaster response across the United States.

[4] With this acquisition, Onex formed Emergency Medical Services Corporation (EMSC) by merging AMR with EmCare.

[7] On August 8, 2017, Envision Healthcare announced that AMR would be sold to Kohlberg Kravis Roberts in a deal worth US$2.4 billion.

Also in 2018, AMR was the main campaign contributor in support of California Proposition 11 (2018),[10] a bill that modified California labor law to allow for EMS workers to be on-call during breaks.

[11] In 2022 AMR got a five-year contract with FEMA to provide medical transport and support for national disasters in the United States.