YLI Holdings Bhd. is an investment company, which engages in the provision of management services. It is involved in the manufacturing and marketing of ductile iron, mild steel and HDPE pipes, and fittings. It also provides task building, civil infrastructure, and project management works. It operates through the following segments: Manufacturing and Trading, Construction, and Others. The Manufacturing and Trading segment is responsible for the manufacturing and trading of ductile iron pipes, steel and plastic pipes, and fittings and waterworks related products for the waterworks and sewerage industry. The Construction segment refers to construction and project management activities. The Others segment relates to the management and supply of treated water which is held as investment in a joint venture. The company was founded in 1966 and is headquartered in Kuala Lumpur, Malaysia.