Cejay Engineering, LLC (Cejay) specializes in developing signaling and personal illumination tools for use with Night Vision Equipment, primarily serving the Military and Law Enforcement market. They are recognized as the leading worldwide manufacturer of electronic Combat Identification IR marking beacons, integral to US and NATO militaries' anti-fratricide programs. Cejay's product range includes marking and illumination devices operating across UV, IR, and thermal frequencies, as well as airfield landing lights, cockpit illumination tools, and thermal signature recognition products. They also offer design and manufacture consulting services for illumination products and emphasize incorporating the latest technology into their military tools.