Accordant Health Services, Inc.
Active Day Corporation
Allion Healthcare, Inc. [ALLI]
America Service Group Inc. [ASGR]
American CareSource Holdings, Inc. [ANCI]
American Shared Hospital Services [AMS]
APS Healthcare, Inc.
Aptium Oncology, Inc.
Arlington Cancer Center
Audiotech Healthcare Corporation

Banyan Corporation [BNYN.PK]
Beverly Oncology & Imaging Centers, Medical Group, Inc.
BioScrip, Inc. [BIOS]
Blood Systems, Inc.

Cancer Care, Inc.
CareGuide, Inc. [CGDE.OB]
Cbr Systems, Inc.
Cerebral Palsy Associations of New York State
Charleston Radiologists, PA
Children's Hospital of Pittsburgh of UPMC Health System
Clínica Baviera S.A.
Comprehensive Care Corporation [CHCR.OB]
Concentra Inc.
Continucare Corporation [CNU]
CorCell, Inc.
Corporación Dermoestética, S.A.
CRC Health Group Inc.
Critical Care Systems International, Inc.
Crossroads Centre, Antigua
Cryo-Cell International, Inc. [CCEL.OB]
CSL Plasma Inc.
Cygnet Health Care Limited

DaVita Inc. [DVA]
Devereux Foundation
Diagnostic Health Services, Inc.
Diakon Lutheran Social Ministries
Dialysis Clinic, Inc.
Dialysis Corporation of America [DCAI]
Diversified Specialty Institutes, Inc.
DMS Health Technologies, Inc.
Dr. Tattoff, Inc.

Executive Health Exams International
Expert Eye Care, Inc.

FHC Health Systems, Inc.
Fox Chase Cancer Center
Fresenius Medical Care AG & Co. KGaA [FMS]
Fresenius Medical Care North America
Fresenius SE

Gillette Children's Specialty Healthcare
Graymark Healthcare, Inc. [GRMH]

Hanger Orthopedic Group, Inc. [HGR]
Hazelden Foundation
Health Dialog Services Corporation
HealthSouth Corporation [HLS]
Healthways, Inc. [HWAY]
HearUSA, Inc. [EAR]
HemaCare Corporation [HEMA.OB]
Hooper Holmes, Inc. [HH]
Hospital for Special Surgery
Hythiam, Inc. [HYTM]

InSight Health Services Holdings Corp.
IPC The Hospitalist Company, Inc. [IPCM]

Kennedy Krieger Institute

Lifebank Corp.
LifeMasters Supported SelfCare, Inc.
LifeWatch Corp.

Macomb-Oakland Regional Center, Inc.
Marshfield Clinic
MDS Inc. [MDZ]
MedAire, Inc.
Medical Resources, Inc.
Medisys Health Group Income Fund
MedLink International, Inc. [MLKNA.OB]
MEDNAX, Inc. [MD]
Midwest Heart Specialists
Monmouth-Ocean Hospital Service Corporation

National Imaging Associates, Inc.
National Renal Alliance, LLC
New York Blood Center, Inc.
NightHawk Radiology Holdings, Inc. [NHWK]
Northwestern Human Services, Inc

OnCure Medical Corp.
OptimumCare Corporation [OPMC.PK]
OptumHealth
OptumHealth Care Solutions - Care Management
OptumHealth Care Solutions - Complex Medical Conditions
Oral and Maxillofacial Surgery Centers, Inc.

PainCare Holdings, Inc. [PRXZ.PK]
Pet DRx Corporation [VETS]
Philips Remote Cardiac Services
Phoenix Rehabilitation and Health Services, Inc.
Physiotherapy Associates, Inc.
PhytoMedical Technologies, Inc. [PYTO.OB]
Prison Health Services, Inc.
Pronger Smith Medical Care
Psychiatric Solutions, Inc. [PSYS]
Puget Sound Blood Center

Radiation Therapy Services, Inc.
Rehabilitation Hospital of the Pacific
Renal Advantage Inc.
Richard J. Caron Foundation
Roswell Park Cancer Institute

Scottish National Blood Transfusion Service
SHPS, Inc.
SleepMed, Inc.
Solaris Health System, Muhlenberg Campus
Sonus-USA, Inc.
Sound Health Solutions, Inc. [SHSO.PK]
SSI Surgical Services, Inc. [SGSI.PK]
St. John Conner Creek Village
Symbion, Inc.

Telecare Corporation
The Betty Ford Center
The Epilepsy Institute
The Floating Hospital, Incorporated
The Priory Group Limited
The Providence Service Corporation [PRSC]
TLC Vision Corporation [TLCV]

U.S. Healthworks, Inc.
U.S. Physical Therapy, Inc. [USPH]
United Behavioral Health
US Oncology, Inc.

ViaCord
Virtual Radiologic Corporation [VRAD]

Westside Women's Health Center