City Ambulance Service is a medical transportation provider founded in 2006 and serving Texas with ground ambulance services and other emergency medical solutions. The company works with hospital systems, including surgical hospitals, emergency departments, and behavioral health centers, to support reliable patient transport. Its services cover more than 85% of Texas and include ambulance transportation staffed by trained paramedics and EMTs, as well as 24/7 dispatch.

Strategically placed MICU and ALS ambulances are intended to enhance response times. For critically ill patients, specialized personnel provide critical care during ground and air ambulance transports. City Ambulance Service also offers medical escorting for patients who need professional support while traveling, and provides ambulances and medics for community events.

Its additional services include patient advocacy, with an emphasis on rights, privacy, and dignity, and continuing medical education courses in BLS, ACLS, and PALS. Through its hospital partnerships and range of transport and support services, the company aims to deliver dependable care and a positive experience for patients and its partners