Neurology in Washington

Cadwell Industries is a family-owned American manufacturer specializing in neurodiagnostic, neuromonitoring, and sleep diagnostic medical devices. Founded in 1979 and headquartered in Kennewick, Washington, the company employs approximately 260–281 people and maintains a strong commitment to in-house research and development. Cadwell's product portfolio includes the Sierra EMG/NCS/EP/Ultrasound systems for electromyography, nerve conduction studies, and evoked potentials; Arc EEG systems for electroencephalography and epilepsy monitoring; Cascade IONM equipment for intraoperative neurophysiological monitoring; and ApneaTrak HSAT and PSG systems for sleep diagnostics. The company also manufactures a comprehensive range of electrodes, consumables, supplies, and accessories for neurology applications. Cadwell serves hospitals, clinics, and home-care settings with global distribution, supported by dedicated customer service, online training resources, and educational workshops.

Neuro-Fitness LLC manufactures and distributes the CES Ultra, a cranial electrical stimulation (CES) medical device cleared by the FDA for the treatment of anxiety and insomnia. The device employs gentle electrical stimulation to the head to help normalize brain functioning. The CES Ultra is the only CES unit currently on the market utilizing the proven technology and configuration employed in more than 100 scientific and research studies, including meta-analysis conducted by Harvard School of Public Health. The device features simple one-touch operation, automatic shutoff, push-button timer settings (30, 45 minutes, or continuous), comfortable ear-clip or pre-gelled electrode application, rugged construction, and portable design with fitted carrying case. It operates on a standard 9-volt battery with low-battery indicator. Clinical applications span pediatric to geriatric populations. The company reports that CES has no known side effects, is non-habit-forming, and is often effective where pharmaceutical interventions have failed. Neuro-Fitness LLC was founded in 2005 with a stated mission to bring relief to people suffering from stress-related conditions. The company operates in full compliance with FDA regulations for medical device marketing and manufacturing, including Good Manufacturing Practices (GMPs) and maintains a complete quality-control system monitored by the FDA.

ISO 13485-certified manufacturer and distributor of electrodiagnostic neuro supplies since 1975. The Electrode Store specializes in needle electrodes (monopolar, concentric, hypodermic), surface electrodes, electrode gels, pastes, and accessories for EMG, EEG, NCS, IONM, and ERG applications. Products support diagnosis of neurological and neuromuscular disorders including carpal tunnel syndrome and epilepsy. The company offers both human and veterinary electrodiagnostic solutions, with proprietary surgical stainless steel needles featuring conical sharpening and proprietary insulation coating. FDA-registered with ISO 13485, MDSAP, and CE Mark certifications. Manufacturer of the DPNCheck nerve conduction device for peripheral neuropathy diagnosis and monitoring.

A-M Systems is a manufacturer and distributor of high-quality respiratory care products and precision neurophysiology instruments. The company serves research institutions, clinical laboratories, and respiratory care facilities with two primary product lines: pulmonary function testing (PFT) equipment and neuroscience research instrumentation. In the pulmonary segment, A-M Systems offers customizable PFT kits, spirometer filters (ndd EasyOne Filter SP), and consumables such as nose clips used in pulmonary function testing protocols. The neuroscience division manufactures precision electrophysiology and optogenetics equipment, including the Optopatcher micropipette holder for optical stimulation in patch-clamp electrophysiology, the Model 4100 Isolated High-Power Stimulator for programmable stimulus delivery, and the SciWorks Data Acquisition and Analysis software suite for neuroscience research. The company also provides syringe recalibration services. A-M Systems distributes products globally through a network of authorized distributors and maintains a direct e-commerce platform. The company is responsive to custom branding and OEM partnership requests. Manufacturing and quality capabilities are documented on their regulatory compliance page. The company participates in major scientific conferences including the American Association for Respiratory Care (AARC) Congress and the Society for Neuroscience (SfN) annual meetings, indicating active engagement with professional communities in both respiratory therapy and neuroscience research.