Exhibit 21
SUBSIDIARY LIST
AS OF JUNE 30, 2001
NAME STATE/ COUNTRY FICTITIOUS NAMES:
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Overall Parent Company:
Rural/Metro Corporation Delaware
Subsidiaries of Rural/Metro Corporation (Delaware):
Aid Ambulance at Vigo County, Inc. Indiana
Ambulance Transport Systems, Inc. New Jersey
Donlock, Ltd. Pennsylvania Rural/Metro Medical Services
Medical Emergency Devices and Services (MEDS), Inc. Arizona MEDS
Metro Care Corp. Ohio
MO-RO-KO, Inc. Arizona
Multi-Care Medical Car Service, Inc. New Jersey
Multi-Health Corp. Florida
Myers Ambulance Service, Inc. Indiana
North Miss. Ambulance Service, Inc. Mississippi Rural/Metro Ambulance
Professional Medical Services, Inc. Arkansas
RMFD of New Jersey, Inc. Delaware
R/M Partners, Inc. Delaware
Rural/Metro Communications Services, Inc. Delaware
Rural/Metro Corporation Arizona Rural/Metro Ambulance
Rural/Metro International, Inc. Delaware
Rural/Metro Logistics, Inc. Delaware
Rural/Metro Mid-Atlantic, Inc. Delaware
Rural/Metro of Colorado, Inc. Delaware
Rural/Metro of Greater Seattle, Inc. Washington Shannon Ambulance; Rural/Metro Ambulance
Rural/Metro of Southern Ohio, Inc. Ohio Rural/Metro Ambulance; City Wide Ambulance
Service
SW General, Inc. Arizona Southwest Ambulance; Southwest Ambulance,
Inc.; Southwest Transportation Services;
Southwest Medical Services
South Georgia Emergency Medical Services, Inc. Georgia
Southwest Ambulance of Casa Grande, Inc. Arizona Southwest Ambulance and Rescue of Arizona;
SWARA
Southwest General Services, Inc. Arizona CareTrans; CareTrans Medicoach Services; SW
General Services, Inc.
The Aid Company, Inc. Indiana
Subsidiaries of Rural/Metro Corporation (Arizona):
Coronado Health Services, Inc. Arizona
R/M Management Co., Inc. Arizona
R/M of Mississippi, Inc. Delaware
R/M Servicios de Salud e Incendios (Bolivia) S.A. (2%) Bolivia
RMC Corporate Center, L.L.C. (1%) Arizona
RMC Insurance Ltd. Barbados
Rural/Metro Corporation of Florida Florida Rural/Metro Ambulance
Rural/Metro Corporation of Tennessee Tennessee
Rural/Metro Fire Dept., Inc. Arizona Rural/Metro Fire Dept.; Rural/Metro Fire
Department
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
Rural/Metro Protection Services, Inc. Arizona
Rural/Metro Texas Holdings, Inc. Delaware
W & W Leasing Company, Inc. Arizona
Subsidiaries of Aid Ambulance at Vigo County, Inc:
Rural/Metro of Indiana II, L.P. (99%) Delaware Rural/Metro Ambulance
Subsidiaries of Ambulance Transport Systems, Inc.:
Keefe & Keefe Ambulette, Ltd. New York Rural/Metro
Keefe & Keefe, Inc. New York Rural/Metro Ambulance
Subsidiaries of Keefe & Keefe, Inc.:
Multi Cab Inc. New Jersey
Multi-Care International, Inc. New Jersey
Subsidiaries of MO-RO-KO, Inc.:
Southwest Ambulance of Tucson, Inc. Arizona Southwest Ambulance of Tucson
Subsidiaries of North Miss. Ambulance Service, Inc.:
Rural/Metro Mid-South, L.P. (99%) Delaware Rural/Metro Ambulance
Subsidiaries of R/M Management Co., Inc.:
R/M Servicios de Salud e Incendios (Bolivia) S.A. (2%) Bolivia
Subsidiaries of R/M Partners, Inc.:
Rural/Metro Mid-Atlantic II, Inc. (50%) Delaware Rural/Metro Ambulance; May Medical
Transport; Mobile Medical Transportation;
Choice American Ambulance; Metropolitan
Ambulance; Absolute Care Ambulance
We Care Bus Transportation, Inc. (33%) New York
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We Care Transportation, Inc. (33%) New York
Subsidiaries of Rural/Metro Mid-Atlantic II, Inc.:
Mobile Medical Transportation, Inc. Maryland Rural/Metro Ambulance; Metropolitan
Ambulance
Subsidiaries of Mobile Medical Transportation, Inc.:
Choice American Ambulance Service, Inc. Virginia Rural/Metro Ambulance
Subsidiaries of RMC Insurance, Ltd.:
RMC Corporate Center, L.L.C. (99%) Arizona
Subsidiaries of R/M of Mississippi, Inc.:
Rural/Metro of Mississippi, Inc. Delaware
Subsidiaries of Rural/Metro Corporation of Florida:
Rural/Metro of North Florida, Inc. Florida Rural/Metro Ambulance
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 R/M of Tennessee G.P., Inc.:
Rural/Metro Mid-South, L.P. (1%) Delaware Rural/Metro Ambulance
Rural/Metro of Tennessee, L.P. (1%) Delaware Rural/Metro Ambulance
Subsidiaries of R/M of Tennessee L.P., Inc.:
Rural/Metro of Tennessee, L.P. (99%) Delaware Rural/Metro Ambulance
Subsidiaries of Rural/Metro Logistics, Inc.:
Rural/Metro Hospital Services, Inc: Delaware
Subsidiaries of Rural/Metro of Alabama, Inc.:
Medstar Emergency Medical Services, Inc. Delaware
RISC America Alabama Fire Safety Services, Inc. Delaware
Rural/Metro of Central Alabama, Inc. Delaware Rural/Metro Ambulance
Subsidiaries of Rural/Metro of California, Inc.:
Rural/Metro of San Diego, Inc. California Rural/Metro Medical Services
Subsidiaries of Rural/Metro of San Diego, Inc.
San Diego Medical Services Enterprise, LLC (50%) California San Diego Medical Services Enterprise
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Subsidiaries of Rural/Metro of Colorado, Inc.:
Rural/Metro of Central Colorado, Inc. Delaware Rural/Metro Ambulance
Subsidiaries of Rural/Metro of Georgia, Inc.:
Coastal EMS, Inc. Georgia
E.M.S. Ventures, Inc. Georgia Rural/Metro Ambulance; Medi-Cab
Medi-Cab of Georgia, Inc. Delaware
Subsidiaries of Rural/Metro of Indiana, Inc.:
The Aid Ambulance Company, Inc. Delaware
Subsidiaries of The Aid Ambulance Company, Inc.:
Rural/Metro of Indiana, L.P. (1%) Delaware Rural/Metro Ambulance
Rural/Metro of Indiana II, L.P. (1%) Delaware Rural/Metro Ambulance
Subsidiaries of Rural/Metro of Kentucky, Inc.:
Mercury Ambulance Service, Inc. Kentucky Rural/Metro Ambulance
Subsidiaries of Rural/Metro of Nebraska, Inc.:
Eastern Ambulance Service, Inc. Nebraska Rural/Metro Ambulance
Subsidiaries of Eastern Ambulance Service, Inc.:
Eastern Ambulance Service, Inc. - Lincoln (50%) Nebraska
Subsidiaries of Rural/Metro of New York, Inc.:
Corning Ambulance Service Inc. New York Rural/Metro Medical Services; Rural/Metro
Protection Services; Southern Tier Security
Systems
Eastern Paramedics, Inc. Delaware Rural/Metro Medical Services
LaSalle Ambulance, Inc. New York Rural/Metro Medical Services
Rural/Metro of Rochester, Inc. New York Rural/Metro Medical Services
Towns Ambulance Service, Inc. New York Rural/Metro Medical Services
Subsidiaries of Rural/Metro of Rochester, Inc.:
Beacon Transportation, Inc. New York Rural/Metro Medical Services
National Ambulance & Oxygen Service, Inc. New York Rural/Metro Medical Services
Subsidiaries of Rural/Metro of Ohio, Inc.:
Gold Cross Ambulance Services, Inc. Delaware Rural/Metro Ambulance
Rural/Metro of Central Ohio, Inc. Delaware Rural/Metro Ambulance
Rural/Metro of Northern Ohio, Inc. Delaware Rural/Metro Ambulance; Rural/Metro
Helpline; Metro Ambulance
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Subsidiaries of Gold Cross Ambulance Services, Inc.:
Gold Cross Ambulance Service of Pa., Inc. Ohio Rural/Metro Ambulance
Subsidiaries of Rural/Metro of Central Ohio, Inc.:
American Limousine Service, Inc. Ohio
Subsidiaries of Rural/Metro of Oregon, Inc.:
Valley Fire Service, Inc. Delaware Rural/Metro Fire Dept.; Rural/Metro Fire
Department; Valley Fire Service
Subsidiaries of Rural/Metro of South Carolina, Inc.:
EMS Ventures of South Carolina, Inc. South Carolina Rural/Metro Ambulance
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 Rural/Metro Ambulance
Subsidiaries of Rural/Metro Texas Holdings, Inc.:
R/M of Texas G.P., Inc. Delaware
Rural/Metro of Arlington, Inc. Delaware Rural/Metro Ambulance
Rural/Metro of Texas, Inc. Delaware
Subsidiaries of R/M of Texas G.P., Inc.:
Rural/Metro of North Texas, L.P. (1%). Delaware Rural/Metro Ambulance; Medstar
Rural/Metro of Texas, L.P. (1%) Delaware Rural/Metro Ambulance
Subsidiaries of Rural/Metro of Texas, Inc.:
Rural/Metro of North Texas, L.P. (99%). Delaware Rural/Metro Ambulance; Medstar
Rural/Metro of Texas, L.P. (99%) Delaware Rural/Metro Ambulance
Subsidiaries of Southwest Ambulance of Casa Grande, Inc.:
Southwest Ambulance and Rescue of Arizona, Inc. Arizona Southwest Ambulance and Rescue of Arizona;
SWARA
Subsidiaries of Southwest General Services, Inc.:
Southwest General Services of Dallas, LLC (19.9%) Delaware
Subsidiaries of The Aid Company, Inc.:
Rural/Metro of Indiana, L.P. (99%) Delaware Rural/Metro Ambulance
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INTERNATIONAL:
Subsidiaries of Rural/Metro International, Inc.:
R/M Servicios de Salud e Incendios (Bolivia) S.A. (96%) Bolivia
Rural/Metro Argentina, L.L.C. Arizona
Rural/Metro Brasil, L.L.C. Arizona
Rural/Metro Netherlands Holdings, B.V. Netherlands
Rural/Metro of Argentina, Inc. Delaware
Rural/Metro of Argentina S.A. (1%) Argentina
Rural/Metro of Brasil, Inc. Delaware
Subsidiaries of R/M Servicios de Salud e Incendios (Bolivia) S.A.:
Unidad de Emergencias Medicas S.R.L. Bolivia
Subsidiaries of Rural/Metro Argentina, L.L.C.:
Rural/Metro Inversora, SRL Argentina
Subsidiaries of Rural/Metro Inversora, SRL:
Samti Sala Movil de Terapia Intensiva SRL Argentina
Screen Medico S.A. Argentina
Instituto de Investigaciones del Corazon Inicor S.A. Argentina
Subsidiaries of Rural/Metro Brasil, L.L.C.:
Line of Duty, Ltda (90.7%) Brazil
Subsidiaries of Rural/Metro Netherlands Holdings B.V.:
Rural/Metro of Argentina S.A. (99%) Argentina
Subsidiaries of Rural/Metro of Argentina S.A.:
ECCO S.A. Argentina
Subsidiaries of Rural/Metro of Argentina, Inc.:
Line of Duty, Ltda (9%) Brazil
Subsidiaries of Rural/Metro of Brasil, Inc.:
Line of Duty, Ltda (0.3%) Brazil
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LIMITED PARTNERSHIPS
NAME STATE
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Rural/Metro Mid-South, L.P. Delaware Rural/Metro Ambulance
Rural/Metro of Tennessee, L.P. Delaware Rural/Metro Ambulance
Rural/Metro of Indiana, L.P. Delaware Rural/Metro Ambulance
Rural/Metro of Indiana II, L.P. Delaware Rural/Metro Ambulance
Rural/Metro of North Texas, L.P. Delaware Rural/Metro Ambulance; Medstar
Rural/Metro of Texas, L.P. Delaware Rural/Metro Ambulance
LLCS
RMC Corporate Center, L.L.C. Arizona
Members: RMC Insurance Ltd. (99%)
Rural/Metro Corporation, an Arizona corporation (1%)
Rural/Metro Argentina, L.L.C. Arizona
Member: Rural/Metro International, Inc.
Rural/Metro Brasil, L.L.C. Arizona
Member: Rural/Metro International, Inc.
San Diego Medical Services Enterprise, LLC California
Members: Rural/Metro of San Diego, Inc. (50%)
City of San Diego (50%)
Southwest General Services of Dallas, L.L.C. Delaware
Members: Southwest General Services, Inc. (19.9%)
Patrick E. Cantelme (80.1%)
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