An Adaptas Solutions brand founded in 1978 to provide MS consumables and vacuum system components at reasonable prices, SIS has grown to be a recognized leader in supplies and services for MS, chromatography, and related equipment worldwide. The SIS scientific supplies catalog contains thousands of items for general chromatography and MS laboratories. Design, Prototyping, Manufacture and Repair of • Mass Spectrometer Filaments • Mass Spec Probes • Mass Spec Interfaces (GC & LC) • Custom Sampling Chambers • Thermal Desorption Systems • GC Cryo-Traps • GC/MS/LC Accessories • TOF Grids • CE Interfaces • Contract Machining and Manufacturing Company Description: The same innovation and dedication to quality that built our early following of loyal customers is still evident in the products we make and sell, even as we expand to meet the needs of new analytical techniques. Our engineering capabilities and technical expertise combined with the superb products that we offer make SIS a truly unique resource. As we accommodate different approaches to analytical methodology, we remain committed to providing the highest quality services and merchandise to our customers.