TEXAS HEALTH SURGERY CENTER ALLIANCE, LLC

Memorial Hermann Surgery Center Southwest, L.L.P.

Medical Practices

Houston, Texas

EYE SURGERY CENTER OF NORTH DALLAS

Medical Practices

Carrollton, Texas

NEW BRAUNFELS SPINE & PAIN SURGERY CENTER, LLC

New Braunfels, Texas

ZAZEN SURGERY CENTER, LLC

Medical Practices

Houston, Texas

Memorial Hermann Surgery Center Woodlands Parkway, LLC

Medical Practices

The Woodlands, Texas

Memorial Village Surgery Center Ltd.

Hospitals and Health Care

Houston, Texas

SURGERY CENTER OF THE WOODLANDS, LLC

Medical Practices

The Woodlands, Texas

WACO CARDIOLOGY CATH LAB & SURGERY CENTER

Hospitals and Health Care

Waco, Texas

FORT BEND SURGERY CENTER INC

Hospitals and Health Care

Sugar Land, Texas

TEXAS HEALTH SPINE SURGERY CENTER ALLEN, LLC

Medical Practices

Grapevine, Texas