Emergency Medical Services Market Size, Share & Industry Analysis, By Service Type (Emergency Response & Transport Services and Emergency Interfacility Transfer Services), By Service Model (Basic Life Support, Advanced Life Support, and Critical Care Support), By Emergency Type (Medical Emergencies, Trauma & Injuries, Environmental & Disaster Emergencies, and Others), By Provider Type (Public/Government, Private, Hospital-based, and Others), and Regional Forecast, 2026-2034