Scientific Instrument Services

Scientific Instrument Services (SIS) is a premier manufacturer and distributor of high-precision supplies and services for mass spectrometry, gas chromatography, and liquid chromatography. Established in 1978, the company offers an extensive catalog of over 20,000 products, including filaments, ion sources, electron multipliers, and vacuum system components. SIS is widely recognized for its specialized expertise in mass spectrometer filament repair and its role as a key OEM manufacturer for major analytical instrument companies. The company also provides advanced ion optics simulation software, such as SIMION, and patented thermal desorption systems. Now operating as a division of IMI Adaptas, SIS continues to serve the global scientific, medical, and industrial research communities from its facilities in Massachusetts and Pennsylvania.