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EXHIBIT 21
LIST OF SUBSIDIARIES
STATE OR OTHER
JURISDICTION
NAME OF INCORPORATION
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Subsidiaries of Rural/Metro Corporation (Delaware):
Aid Ambulance at Vigo County, Inc. Indiana
Ambulance Transport Systems, Inc. New Jersey
City Wide Ambulance Service, Inc. Ohio
Donlock, Ltd. Pennsylvania
Medical Emergency Devices and Services (MEDS), Inc. Arizona
Metro Care Corp. Ohio
Multi-Care Medical Car Service, Inc. New Jersey
Multi-Health Corp. Florida
Myers Ambulance Service, Inc. Indiana
North Miss. Ambulance Service, Inc. Mississippi
Professional Medical Services, Inc. Arkansas
Rural/Metro Communications Services, Inc. Delaware
Rural/Metro Corporation Arizona
Rural/Metro International, Inc. Delaware
Rural/Metro Mid-Atlantic, Inc. Delaware
SW General, Inc. Arizona
South Georgia Emergency Medical Services, Inc. Georgia
Southwest Ambulance of Casa Grande, Inc. Arizona
Southwest General Services, Inc. Arizona
The Aid Company, Inc. Indiana
Subsidiaries of Rural/Metro Corporation (Arizona):
Coronado Health Services, Inc. Arizona
Metropolitan Fire Department, Inc. Arizona
R/M Management Co., Inc. Arizona
R/M Servicios de Salud e Incendios (Bolivia) S.A. (2%) Bolivia
RMC Insurance Ltd. Barbados
Rural/Metro Corporation of Florida Florida
Rural/Metro Corporation of Tennessee Tennessee
Rural/Metro Fire Dept., Inc. Arizona
Rural/Metro Texas Holdings, Inc. Delaware
Rural/Metro of Alabama, Inc. Delaware
Rural/Metro of Arkansas, Inc. Delaware
Rural/Metro of California, Inc. Delaware
Rural/Metro of Georgia, Inc. Delaware
Rural/Metro of Indiana, Inc. Delaware
Rural/Metro of Kentucky, Inc. Delaware
Rural/Metro of Nebraska, Inc. Delaware
Rural/Metro of New York, Inc. Delaware
Rural/Metro of Ohio, Inc. Delaware
Rural/Metro of Oregon, Inc. Delaware
Rural/Metro of South Carolina, Inc. Delaware
Rural/Metro of South Dakota, Inc. Delaware
W & W Leasing Company, Inc. Arizona
Subsidiaries of Rural/Metro Texas Holdings, Inc.:
R/M of Texas G.P., Inc. Delaware
Rural/Metro of Arlington, Inc. Delaware
Rural/Metro of Texas, Inc. Delaware
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Subsidiaries of Rural/Metro Corporation of Florida:
Rural/Metro of North Florida, Inc. Florida
Subsidiaries of Rural/Metro of New York, Inc.:
Corning Ambulance Service Inc. New York
Eastern Paramedics, Inc. Delaware
LaSalle Ambulance, Inc. New York
Rural/Metro of Rochester, Inc. New York
Towns Ambulance Service, Inc. New York
The Western New York Emergency Medical
Services Training Institute Inc. New York
Subsidiaries of Rural/Metro of Rochester, Inc.:
Beacon Transportation, Inc. New York
National Ambulance & Oxygen Service, Inc. New York
Subsidiaries of Rural/Metro of Nebraska, Inc.:
Eastern Ambulance Service, Inc. Nebraska
Subsidiaries of Eastern Ambulance Service, Inc.:
Eastern Ambulance Service, Inc. - Lincoln (50% owned) Nebraska
Subsidiaries of Rural/Metro of Ohio, Inc.:
Gold Cross Ambulance Services, Inc. Delaware
Physicians Ambulance Service, Inc. Delaware
Rural/Metro of Central Ohio, Inc. Delaware
Subsidiaries of Rural/Metro of Georgia, Inc.:
E.M.S. Ventures, Inc. Georgia
Rural/Metro of Atlanta, Inc. Delaware
Subsidiaries of Rural/Metro of South Carolina, Inc.:
EMS Ventures of South Carolina, Inc. South Carolina
Subsidiaries of Rural/Metro of Central Ohio, Inc.:
American Limousine Service, Inc. Ohio
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Subsidiaries of Gold Cross Ambulance Services, Inc.:
Gold Cross Ambulance Service of Pa., Inc. Ohio
Subsidiaries of Rural/Metro Corporation of Tennessee:
R/M of Tennessee G.P., Inc. Delaware
R/M of Tennessee L.P., Inc. Delaware
Subsidiaries of Rural/Metro of Indiana, Inc.:
The Aid Ambulance Company, Inc. Delaware
Subsidiaries of Rural/Metro of Alabama, Inc.:
Medstar Emergency Medical Services, Inc. Delaware
Rural/Metro of Central Alabama, Inc. Delaware
Subsidiaries of Rural/Metro of South Dakota, Inc.:
Medical Transportation Services, Inc. South Dakota
Subsidiaries of Medical Transportation Services, Inc.:
Sioux Falls Ambulance, Inc. South Dakota
Subsidiaries of Rural/Metro of Oregon, Inc.:
Valley Fire Service, Inc. Delaware
Subsidiaries of Rural/Metro International, Inc.:
R/M Servicios de Salud e Incendios (Bolivia) S.A. (96%) Bolivia
Rural/Metro Canadian Holdings, Inc. Delaware
Subsidiaries of Rural/Metro of Kentucky, Inc.:
Mercury Ambulance Service, Inc. Kentucky
Subsidiaries of Rural/Metro of California, Inc.:
Rural/Metro of San Diego, Inc. California
Subsidiaries of Rural/Metro Canadian Holdings, Inc.:
Rural/Metro of Canada, Inc. Province of Ontario
Subsidiaries of Rural/Metro of Canada, Inc.:
Rural/Metro of Ontario, Inc. Province of Ontario
Subsidiaries of R/M Management Co., Inc.:
R/M Servicios de Salud e Incendios (Bolivia) S.A. (2%) Bolivia
Subsidiaries of Rural/Metro of Ontario, Inc.:
520212 Ontario Limited Province of Ontario
Lakeshore Emergency Service Inc. Province of Ontario
Lindsay and District Ambulance Service Ltd. Province of Ontario
Noel Ambulance Service Limited Province of Ontario
Owen Sound Emergency Services Inc. Province of Ontario
Port Colborne & District Ambulance Service Limited Province of Ontario
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