Established in 1948, Riggs Ambulance Service Inc. is a provider of emergency medical services. The company offers pre-hospital ambulance services across the Merced County covering about 2,000 square miles. Based in Merced, Calif., it operates through a fleet of 21 Advanced Life Support ( ALS) ambulances, four supervisor units, an emergency medical services (EMS) transport cart, an EMS explorer post and several support vehicles. It also renders additional services such as oxygen facilities and radio communication option with local hospitals. Riggs Ambulance Service Inc. provides training and educational classes for health care professionals and technicians. The company has accreditations from the Commission of the Accreditation of Ambulance Services and Better Business Bureau (BBB).