Landauer, Inc., together with its subsidiaries, provides technical and analytical services, outsourced medical physics services, and radiology related medical products Worldwide. The company operates in three segments: Radiation Measurement, Medical Physics, and Medical Products. The Radiation Measurement segment provides analytical services to determine occupational and environmental radiation exposure; manufactures various radiation detection monitors; and distributes and collects monitors to and from customers, as well as analyzes and reports exposure findings. It also sells dosimetry detectors and reading equipment. This segment provides its services primarily to hospitals, medical and dental offices, universities, national laboratories, nuclear facilities, and other industries. The Medical Physics segment offers therapeutic and imaging physics services comprising clinical physics support, equipment commissioning, accreditation support, and imaging equipment testing to hospitals, radiation therapy centers, and imaging centers. The Medical Products segment provides medical consumable accessories that are used in radiology, radiation therapy, and image guided surgery procedures. Its products include consumables used with MRI, CT, and mammography technologies; and passive reflective markers used during image guided surgery procedures. The company was founded in 1954 and is based in Glenwood, Illinois.