| CONCHO VALLEY LITHOTRIPSY, LP | Organization | WESTBOROUGH |
| CONTINENTAL CONNECTICUT LITHOTRIPSY, LLC | Organization | WESTBOROUGH |
| LITHO PARTNERS OF NORTHEAST TEXAS, LTD | Organization | WESTBOROUGH |
| LITHO TWO PARTNERS OF TEXAS, LLC | Organization | WESTBOROUGH |
| PRECISION LITHOTRIPSY OF NORTH BROWARD, LLC | Organization | WESTBOROUGH |
| PRECISION LITHOTRIPSY OF NORTH DADE, LLC | Organization | WESTBOROUGH |
| PRECISION LITHOTRIPSY OF PINELLAS COUNTY, LLC | Organization | WESTBOROUGH |
| PRECISION LITHOTRIPSY OF SOUTH BROWARD, LLC | Organization | WESTBOROUGH |
| PRECISION LITHOTRIPSY OF SOUTH FLORIDA, LLC | Organization | WESTBOROUGH |
| PRECISION LITHOTRIPSY, LLC | Organization | WESTBOROUGH |
| UMS BEAVER LITHOTRIPSY ASSOCIATES, LLC | Organization | WESTBOROUGH |
| UMS CONNECTICUT LITHOTRIPSY, LP | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF BRIDGEPORT, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF BRISTOL COUNTY, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF CENTRAL MASSACHUSETTS, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF EASTERN MASSACHUSETTS, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF ESSEX COUNTY, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF FAIRFAX COUNTY, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF FAIRFIELD COUNTY, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF FRAMINGHAM, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF LITCHFIELD COUNTY, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF MARION COUNTY, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF MIDDLETOWN, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF MILFORD, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF MISHAWAKA, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF MORGANTOWN, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF NEW HAVEN COUNTY, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF PRINCE WILLIAM COUNTY, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF THE MERRIMACK VALLEY, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF THE PIONEER VALLEY, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF THE POTOMAC, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF THE SOUTH SHORE, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF WATERBURY, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF WESTCHESTER COUNTY, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF WESTERN MASSACHUSETTS, LLC | Organization | WESTBOROUGH |
| UMS LITHOTRIPSY SERVICES OF WORCESTER COUNTY, LLC | Organization | WESTBOROUGH |
| UMS MANAGEMENT SERVICES, LLC | Organization | WESTBOROUGH |
| UMS NEW ENGLAND LITHOTRIPSY, LP | Organization | WESTBOROUGH |
| UMS NEW HAMPSHIRE LITHOTRIPSY, LP | Organization | WESTBOROUGH |
| UMS SERVICES OF THE CAPITAL DISTRICT, LLC | Organization | WESTBOROUGH |
| UMS UROLOGY SERVICES OF JEFFERSON COUNTY, LLC | Organization | WESTBOROUGH |
| UMS UROLOGY SERVICES OF SMYTH COUNTY, LLC | Organization | WESTBOROUGH |
| UMS UROLOGY SERVICES OF YONKERS, LLC | Organization | WESTBOROUGH |
| UMS WEST FLORIDA LITHOTRIPSY LP | Organization | WESTBOROUGH |
| WEST TEXAS LITHOTRIPSY, LP | Organization | WESTBOROUGH |