Exhibit 21.1
The subsidiaries of American Shared Hospital Services are:
MedLeader.com, Inc.
A California corporation
OR21, Inc.
A California corporation
OR21, LLC
A Washington limited liability company
Long Beach Equipment, LLC
A Delaware limited liability company
American Shared Radiosurgery Services
A California corporation
PBRT Orlando LLC
A Delaware limited liability company
ASHS-Rhode Island Proton Beam Radiation Therapy, LLC
A Rhode Island limited liability company
ASHS-Bristol Radiation Therapy, LLC
A Rhode Island limited liability company
Southern New England Regional Cancer Center, LLC
A Rhode Island limited liability company
Roger Williams Radiation Therapy, LLC
A Rhode Island limited liability company
ASHS-Mexico, S.A. de C.V.
A Mexican company
Subsidiaries of ASHS-Mexico, S.A. de C.V.
AB Radiocirugia Y Radioterapia de Puebla, S.A.P.I. de C.V.
A Mexican company
Instituto Gamma Knife San Javier Mexico S.A.P.I. de C.V.
A Mexican company
Subsidiaries of American Shared Radiosurgery Services
GK Financing, LLC
A California limited liability company
Subsidiaries of GK Financing, LLC
Albuquerque GK Equipment, LLC
A Delaware limited liability company
Jacksonville GK Equipment, LLC
A Delaware limited liability company
Instituto de Gamma Knife del Pacifico S.A.C.
A Peruvian company
HoldCo GKC S.A.
A Ecuadorian company
Subsidiaries of HoldCo GKC S. A.
Gamma Knife Center Ecuador S.A.
A Ecuadorian company