PT Wika Tirta Jaya Jatiluhur (WTJJ) is a Executing Entity (BUP) for Public-Private Partnership (KPBU) of Drinking Water Supply System (SPAM) Jatiluhur I Regional project which established on February 15th 2021. Currently, the shareholding consortium consists 80% of PT WIJAYA KARYA (Persero) Tbk (WIKA) shareholdings along with PT Jaya Konstruksi Manggala Pratama Tbk (JAKON) and PT Tirta Gemah Ripah (TGR).