Exhibit 21
Subsidiaries of the Registrant
(All are Delaware entities unless otherwise indicated)
US Oncology, Inc. | ||
US Oncology Specialty, LP | ||
US Oncology Corporate, Inc. | ||
US Oncology Pharmaceutical Services, LLC | ||
US Oncology Pharmacy GPO, L.P. | ||
US Oncology Research, Inc. (1) | ||
Alabama Pharmaceutical Services, LLC | ||
AOR Holding Company of Indiana, Inc. | ||
AOR Management Company of Arizona, Inc. | ||
AOR Management Company of Indiana, Inc. | ||
AOR Management Company of Missouri, Inc. | ||
AOR Management Company of Oklahoma, Inc. | ||
AOR Management Company of Pennsylvania, Inc. | ||
AOR Management Company of Texas, Inc. | ||
AOR Management Company of Virginia, Inc. | ||
AOR of Texas Management Ltd. Partnership (1) | ||
AOR Real Estate of Greenville LP | ||
AOR Real Estate, Inc. | ||
AOR Synthetic Real Estate, Inc. | ||
AORT Holding Company, Inc. | ||
California Pharmaceutical Services, LLC | ||
Carrol County Cancer Center, Ltd. (3) | ||
Colorado Cancer Centers, L.L.C. | ||
East Indy CC, LLC (2) | ||
Florida Pharmaceutical Services, LLC | ||
Greenville Radiation Care, Inc. | ||
Iowa Pharmaceutical Services, LLC | ||
KCCC JV, LLC | ||
Michigan Pharmaceutical Services, LLC | ||
Nebraska Pharmaceutical Services, LLC | ||
New Mexico Pharmaceutical Services, LLC | ||
North Carolina Pharmaceutical Services, LLC | ||
Oregon Cancer Center, Ltd. (4) | ||
Pennsylvania Pharmaceutical Services, LLC | ||
Physician Reliance Holdings, LLC | ||
Physician Reliance Network, Inc. | ||
Physician Reliance, L.P. (1) | ||
PRN Physician Reliance, LLC | ||
RMCC Cancer Center, Inc. | ||
SelectPlus Oncology, LLC d/b/a SelectPlus, LLC | ||
Southeast Texas Cancer Centers, L.P. (1) | ||
St. Louis Pharmaceutical Services, LLC | ||
Texas Pharmaceutical Services, LLC | ||
TOPS Pharmacy Services, Inc. (1) | ||
Washington Pharmaceutical Services, LLC |
(1) | Organized in the State of Texas |
(2) | Organized in the State of Indiana |
(3) | Organized in the State of Maryland |
(4) | Organized in the State of Oregon |