American Shared Hospital Services (ASHS) along with its subsidiaries provides Gamma Knife stereotactic radiosurgery equipment and radiation therapy, and related equipment to approximately 17 medical centers in the United States and two medical centers in Turkey. The Company provides Gamma Knife services through its 81% indirect interest in GK Financing, LLC (GKF). The remaining 19% of GKF is owned by GKV Investments, Inc., which is a wholly owned United States subsidiary of Elekta AG (Elekta). Gamma Knife Operations treats selected malignant and benign brain tumors, arteriovenous malformations, and functional disorders including trigeminal neuralgia (facial pain). Image Guided Radiation Therapy Operations provides Radiation therapy services. The company’s subsidiaries are OR21, Inc. (OR21); MedLeader.com, Inc. (MedLeader); American Shared Radiosurgery Services (ASRS); ASHSDB#1, LLC (ASHSDB1), and ASHSDB#2 LLC (ASHSDB2).