Zynex, Inc. is the parent company of and conducts business within five subsidiaries: Zynex Medical, Inc. (ZMI), Zynex Neurodiagnostics, Inc. (ZND), Zynex Monitoring Solutions, Inc. (ZMS), Zynex Billing and Consulting, LLC (ZBC), a limited liability company and Zynex International (Zynex Europe ApS) (ZEU). The Company operates in three business segments: ZMI and ZBC, ZND and ZEU, and ZMS. ZMI designs, manufactures and markets United States Food and Drug Administration (FDA) cleared medical devices. ZBC provides outsourced billing services for private medical practices. ZND was formed to market electromyography (EMG), electroencephalography (EEG), sleep pattern, auditory and nerve conductivity neurological diagnosis devices to hospitals and clinics across the world. ZEU was formed to progress Zynex�s international expansion. ZMS was formed to develop and market medical devices for non-invasive cardiac monitoring.