Syarikat Pengeluar Air Sungai Selangor Sdn Bhd (SPLASH) comprises three partners. They are The Sweet Water Alliance (TSWA), Gamuda Berhad (GB) and Kumpulan Darul Ehsan Berhad (KDEB). With their combined capabilities and expertise, each being well-known names in their own fields and possessing individual strengths, SPLASH has the competitive edge to successfully implement SSP3.

The Sweet Water Alliance and Kumpulan Darul Ehsan Berhad are highly experienced in business development and management and have successful mega developments in their portfolio.

Gamuda Berhad, is known in the construction industry apart from its highway, stormwater management concessions and township development for its many innovative design and build concessions, has experience in water projects such as the Bentong Water Supply Scheme in Pahang, Kubang Kerian Water Supply and Pergau Dam in Kelantan and treatment plants for the Ulu Langat Water Supply Scheme Phase 1 and Phase 2.