Waters Corporation is an analytical instrument manufacturer. The Company designs, manufactures, distributes and services instrument systems, columns and other chemistry consumables that are integrated and used along with other analytical instruments. The Company operates through two segments: Waters Division and TA Division. Its Waters Division's products and services primarily consist of high performance liquid chromatography, ultra performance liquid chromatography, mass spectrometry and chemistry consumable products and related services. TA Division's products and services primarily consist of thermal analysis, rheometry and calorimetry instrument systems and service sales. Its products are used by pharmaceutical, life science, biochemical, industrial, nutritional safety, environmental, academic and governmental customers working in research and development, quality assurance and other laboratory applications.