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Cadwell Laboratories INC

909 N Kellogg St, Kennewick, WA 99336

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 3 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Cadwell Laboratories INC
Their homepage, crawled JUL 2026

What they make

Electromedical and Electrotherapeutic Apparatus Manufacturing334510

Cadwell manufactures neurodiagnostic and neuromonitoring equipment and software, including EEG systems (Arc Apollo+, Arc Essentia, Cadwell Zenith), electrodiagnostic devices (Sierra Summit, Sierra NMUS1), intraoperative neuromonitoring systems (Cascade Pro, Cadwell Guardian), and sleep diagnostic equipment (Sleepmate, Easy III). The company also produces electrodes, sensors, and data management software for these applications. Its products serve hospitals and clinics performing routine and ambulatory EEG, epilepsy monitoring, electromyography, nerve conduction studies, evoked potentials, neuromuscular ultrasound, sleep studies, and intraoperative monitoring during ENT, neurosurgery, orthopaedic, vascular, and urology procedures.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Products

Made or handled here · 25
Amplifier, Physiological Signal · Cable, Electrode · Device, Galvanic Skin Response Measurement · Device, Nerve Conduction Velocity Measurement · Device, Sleep Assessment · Electrode, Cortical · Electrode, Cutaneous · Electromyograph, Diagnostic · Full-Montage Standard Electroencephalograph · Interactive Rehabilitation Exercise Devices · Monitor, Breathing Frequency · Neurosurgical Nerve Locator · Non-Normalizing Quantitative Electroencephalograph Software · Oximeter · Reduced- Montage Standard Electroencephalograph · Standard Polysomnograph With Electroencephalograph · Stimulator, Auditory, Evoked Response · Stimulator, Electrical, Evoked Response · Stimulator, Mechanical, Evoked Response · Stimulator, Nerve · Stimulator, Photic, Evoked Response · System, Communication, Powered · Tape And Bandage, Adhesive · Ventilatory Effort Recorder · electrodiagnostic products
Where these came from
24 from FDA device registration · Federal registry
FDA device establishment 3020018, product code GWL; proprietary names: Arc Essentia, Arc Alterna, Arc Synopsis Software, ApneaTrak
1 from the company’s own website · Company website
url-slug on https://www.cadwell.com/products/electrodiagnostic-products/

Where it is

46.22047, -119.20258 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

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Every listed plant in Benton County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 8 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

SourceEvidenceFirst seenLast seen
FDA DEVICESOPERATINGAUG 2026AUG 2026
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGMAR 2026MAR 2026
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1SAM GOVMAR 2026
CAGE CODESAM GOVMAR 2026
CITYSAM GOVMAR 2026
GEOMCENSUS GEOCODERJUL 2026
NAMESAM GOVMAR 2026
REGISTRATION EXPIRATIONSAM GOVMAR 2026
STATESAM GOVMAR 2026
WEBSITESAM GOVMAR 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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Cadwell Laboratories — Kennewick, WA · FactoryRegistry