Operational for more than 50 years, Rural/Metro Corporation offers a range of emergency and non-emergency medical transportation services. It provides fire protection and other safety-related services to customers in the government, residential, commercial and industrial sectors. The corporation serves more than 350 communities in the United States. It offers fire prevention services for airports and industrial facilities. With annual revenue of more than $500 million, the corporation manages a staff of over 8,000 employees. It maintains personal emergency response systems that provide access to police, fire and health cared departments. The corporation offers hazardous materials response and confined space rescue services. Rural/Metro Corporation maintains a location in Maryville, Tenn.