Established in 2024 after acquiring ViewRay, Inc.’s assets, ViewRay Systems is a privately held medical-device company that designs, manufactures, and markets the MRIdian A3i MRI-guided radiation therapy system. Based in Oakwood Village, Ohio, the company combines diagnostic-quality MRI, radiation delivery, and proprietary software to track soft tissue in real time and adapt treatment as anatomy changes. Its system is designed to fit standard radiation-therapy vaults without removing ceilings or walls.