Allion Healthcare, Inc. [ALLI]
America Service Group Inc. [ASGR]
American CareSource Holdings, Inc. [ANCI]
American Shared Hospital Services [AMS]

Banyan Corporation [BNYN.PK]
BioScrip, Inc. [BIOS]

CareGuide, Inc. [CGDE.OB]
Comprehensive Care Corporation [CHCR.OB]
Continucare Corporation [CNU]
Cryo-Cell International, Inc. [CCEL.OB]

DaVita Inc. [DVA]
Dialysis Corporation of America [DCAI]

Fresenius Medical Care AG & Co. KGaA [FMS]

Graymark Healthcare, Inc. [GRMH]

Hanger Orthopedic Group, Inc. [HGR]
HealthSouth Corporation [HLS]
Healthways, Inc. [HWAY]
HearUSA, Inc. [EAR]
HemaCare Corporation [HEMA.OB]
Hooper Holmes, Inc. [HH]
Hythiam, Inc. [HYTM]

IPC The Hospitalist Company, Inc. [IPCM]

MDS Inc. [MDZ]
MedLink International, Inc. [MLKNA.OB]
MEDNAX, Inc. [MD]

NightHawk Radiology Holdings, Inc. [NHWK]

OptimumCare Corporation [OPMC.PK]

PainCare Holdings, Inc. [PRXZ.PK]
Pet DRx Corporation [VETS]
PhytoMedical Technologies, Inc. [PYTO.OB]
Psychiatric Solutions, Inc. [PSYS]

Sound Health Solutions, Inc. [SHSO.PK]
SSI Surgical Services, Inc. [SGSI.PK]

The Providence Service Corporation [PRSC]
TLC Vision Corporation [TLCV]

U.S. Physical Therapy, Inc. [USPH]

Virtual Radiologic Corporation [VRAD]