Waters Corp, also called Waters, is a measurement company, which engages in the analytical workflow solutions involving liquid chromatography, mass spectrometry and thermal analysis innovations. It operates through Waters and TA segments. Read More The Waters segment designs, manufactures, distributes and services liquid chromatography and ultra performance liquid chromatography instruments, columns and other chemistry consumables that can be integrated and used along with other analytical instruments. The TA Instruments segment designs, manufactures, distributes and services thermal analysis, rheometry and calorimetry instruments. The company was founded by James Logan Waters in 1958 and is headquartered in Milford, MA. The listed name for WAT is Waters Corp.