Waters Corporation is an analytical instrument manufacturer. The Company operates through two segments: Waters and TA. It designs, manufactures, sells and services high performance liquid chromatography (HPLC), ultra performance liquid chromatography (UPLC and together with HPLC, referred to as LC) and mass spectrometry (MS) technology systems and support products, including chromatography columns, other consumable products and post-warranty service plans. It also designs, manufactures, sells and services thermal analysis, rheometry and calorimetry instruments through its TA product line. It is also a developer and supplier of software-based products that interface with the Company's instruments, as well as other suppliers' instruments. Its LC and LC-MS instruments are utilized in a range of industries to detect, identify, monitor and measure the chemical, physical and biological composition of materials, and to purify a range of compounds.