Syarikat Air Negeri Sembilan Sdn Bhd, (literally meaning Negeri Sembilan Water Company Private Limited, abbreviated as SAINS), formerly known as Negeri Sembilan Water Supply Department ( , abbreviated as JBANS) and Syarikat Air Negeri Sembilan Berhad (Negeri Sembilan Water Company Limited) is a government-linked company responsible for water supply services in the state of Negeri Sembilan.