Ranhill SAJ Sdn Bhd is a utility company responsible for water supply services in Johor.

Ranhill SAJ is a subsidiary of the Ranhill Utilities Berhad.

Formerly known as Jabatan Bekalan Air Johor (JBAJ) a water supply department owned by the Johor state government.

SAJ was established on 1994 under the Malaysian Companies Act 1965.

This Malaysian corporation or company article is a stub.