Theragenics is a global specialty medical device company focused on advancing cancer care through medical radioisotopes and brachytherapy technologies. For more than 40 years, it has worked with physicians, healthcare providers, and medical associations to support precise, minimally invasive treatments for cancer and other diseases. Its services include commercial-scale radioisotope manufacturing and contract manufacturing organization (CMO) capabilities, helping healthcare innovators move from isotope production to finished radiopharmaceutical products and global delivery.

Theragenics is also a leading manufacturer of low-dose-rate (LDR) brachytherapy seeds for prostate and other localized cancers. Its portfolio includes TheraSeed Palladium-103, AgX100 Iodine-125, and Cesium-131 seeds, alongside delivery products such as preloaded needle trays, seed cartridges, stranded seeds, encapsulated seeds, and eye plaque carriers. The company provides brachytherapy solutions and educational resources for clinicians, patients, and caregivers, including treatment information and physician-finding support. With a radioisotope production facility in Buford, Georgia, and 14 cyclotrons, Theragenics combines manufacturing capacity with a focus on precision, quality, and patient care.