Exhibit 21.1
SUBSIDIARIES OF THE REGISTRANT
Exact Name of Additional Registrants |
| Jurisdiction of Incorporation |
Radiation Therapy Services, Inc. |
| FL |
21st Century Oncology Of Alabama, LLC |
| AL |
Arizona Radiation Therapy Management Services, Inc. |
| AZ |
California Radiation Therapy Management Services, Inc. |
| CA |
21st Century Oncology Of Jacksonville, LLC |
| FL |
Devoto Construction Of Southwest Florida, Inc. |
| FL |
Radiation Therapy Services International, Inc. |
| FL |
21st Century Oncology Management Services, Inc. |
| FL |
Jacksonville Radiation Therapy Services, LLC |
| FL |
Financial Services Of Southwest Florida, LLC |
| FL |
21st Century Oncology, LLC |
| FL |
21st Century Oncology Of Harford County Maryland, LLC |
| MD |
Berlin Radiation Therapy Treatment Center, LLC |
| MD |
21st Century Oncology Of Prince Georges County, Maryland, LLC |
| MD |
Maryland Radiation Therapy Management Services, LLC |
| MD |
American Consolidated Technologies, LLC |
| MI |
Michigan Radiation Therapy Management Services, Inc. |
| MI |
Nevada Radiation Therapy Management Services, Incorporated |
| NV |
21st Century Oncology Of New Jersey, Inc. |
| NJ |
New York Radiation Therapy Management Services, LLC |
| NY |
North Carolina Radiation Therapy Management Services, LLC |
| NC |
21st Century Oncology Of South Carolina, LLC |
| SC |
West Virginia Radiation Therapy Services, Inc. |
| WV |
Phoenix Management Company, LLC |
| MI |
Carolina Regional Cancer Center, LLC |
| SC |
Atlantic Urology Clinics, LLC |
| SC |
Derm-Rad Investment Company, LLC |
| FL |
21st Century Oncology Of Pennsylvania, Inc. |
| PA |
Gettysburg Radiation, LLC |
| PA |
Carolina Radiation and Cancer Treatment Center, LLC |
| NC |
21st Century Oncology Of Kentucky, LLC |
| KY |
New England Radiation Therapy Management Services, Inc. |
| MA |
Radiation Therapy School For Radiation Therapy Technology, Inc. |
| FL |
Aurora Technology Development, LLC |
| DE |
Nebraska Radiation Therapy Management Services, Inc. |
| NE |
21st Century Oncology Services, Inc. |
| DE |
Goldsboro Radiation Therapy Services, Inc. |
| NC |
Medical Developers, LLC |
| FL |
AHLC, LLC |
| NC |
Asheville CC, LLC |
| DE |
Sampson Simulator, LLC |
| NC |
Sampson Accelerator, LLC |
| NC |
Medical Developers Cooperatief |
| Netherlands |
Medical Developers Holdings B.V. |
| Netherlands |
21st Century Holdings, BV |
| Netherlands |
Ceditrin Centro De Diagnostico y Tratamiento Integral S.A. |
| Argentina |
Centro de Estudios y Tratamientos Oncologics S.A. |
| Argentina |
Braquiterapia Buenos Aires, S.A. |
| Argentina |
Centro Medico Avellaneda, S.A. |
| Argentina |
Vidt Centro Medico S.A. |
| Argentina |
Cito Centro de Interconsulta y Tratamiento Oncologico S.A. |
| Argentina |
Instituto Privado de Radioterapia Cuyo S.A. |
| Argentina |
Centro de Oncologia y Radioterapia Mar del Plata S.A. |
| Argentina |
Exact Name of Additional Registrants |
| Jurisdiction of Incorporation |
Instituto de Radiaciones Salta S.A. |
| Argentina |
Instituto Medico Dean Funes S.A. |
| Argentina |
Centro de Radioterapia Siglo XXI S.A. |
| Argentina |
Centro de Radioterapia San Juan S.A. |
| Argentina |
Centro de Radiaciones de la Costa S.A. |
| Argentina |
Terapia Radiante S.A. |
| Argentina |
Emprendimientos Medicaos Tecnologicos S.A. |
| Argentina |
Centro de Diagnostico y Tratamiento S.A. |
| Argentina |
EMTRO S.A. |
| Argentina |
Centro de Radioterapia y Oncologia Integral S.A. |
| Dominican Republic |
Centro de Radioterapia del Cibao S.A. |
| Dominican Republic |
Centro Medico de Radioterapia Irazu S.A. |
| Costa Rica |
Clinica de Radioterapia de Occidente S.A. de C.V. |
| Mexico |
Servicios y Soluciones Medicas, S.A. de CV |
| El Salvador |
Clinica de Radioterapia La Ascuncion S.A. |
| Guatemala |
Centro de Radioterapia Los Mangales S.A. |
| Bolivia |