Judges Scientific plc is a United Kingdom-based company specializing in the acquisition and development of a portfolio of scientific instrument businesses. The Company operates through two segments: Materials Sciences and Vacuum. Its subsidiaries are primarily United Kingdom-based with products sold around the world to a diverse range of markets, including higher education institutions, the scientific communities, manufacturers, and regulatory authorities. The Company also specializes in the design and manufacture of instruments used for plasma surface treatment and provides plasma deposition services based on the instruments. The Company's businesses include Armfield, CoolLED, Deben UK, Dia-Stron, EWB Solutions, GDS instruments, Geotek, Korvus Technology, Moorfield Nanotechnology, Oxford Cryosystems, PE.fiberoptics, Quorum Technologies, Scientifica, Sircal instruments, UHV Design, Thermal Hazard Technology, Fire Testing Technology, Henniker Scientific and Aitchee Engineering.