Acadian Ambulance provides compassionate and highly skilled medical care to more than 24 million residents and covers almost 57,000 square miles in Louisiana, Mississippi, Texas and Tennessee. Our fleet of more than 620 ambulances transports 680,000 patients annually. Acadian’s ground operations are accredited by the Commission on Accreditation of Ambulance Services (CAAS). The use of innovative technology, stringent medical protocols and exceptionally high standards have earned the company numerous honors over 50 years.