Electrical Geodesics, LLC, a medical device company, designs, develops, and commercializes a range of non-invasive neurodiagnostic products used to monitor and interpret brain activity. Its product includes dense array electroencephalography (dEEG), which provides high resolution, millisecond time frame data on the changes in brain activity. Its dEEG products and components are Geodesic EEG system 400; the HydroCel Geodesic sensor net; Geodesic EEG system 400MR; Geodesic photogrammetry system; net station EEG acquisition and review software; dEEG-guided transcranial magnetic stimulation; and reciprocity electrical source and head modeling. The company also offers Geosource 3.0, with the reciprocity visualization environment; and the model image pipeline, an imaging platform that allows brainwaves and other functional data to be displayed, analyzed, and manipulated using high resolution individual magnetic resonance imaging and atlas-based head models. In addition, it provides a neuroscience online laboratory information system, an enterprise software-based high-performance computing environment that provides for multi-modal data storage, interaction with hospital information systems, and access to computing capabilities. The company operates in the United States, Canada, Europe, Asia, and internationally. Electrical Geodesics, LLC was founded in 1992 and is based in Eugene, Oregon. As of July 21, 2017, Electrical Geodesics, LLC operates as a subsidiary of Philips Holding USA Inc.