YTL Corp's flagship construction arm is 100%-owned Syarikat Pembenaan Yeoh Tiong Lay Sdn. Bhd. (SPYTL).

SPYTL is a "Class A" Malaysian Turnkey contractor, which has built up a strong reputation for high quality construction of buildings ranging from schools, army barracks, hospitals, hotels and high-rise office blocks and large scale infrastructure projects on time and on budget. It has won many awards for technological innovation in the building industry.

SPYTL's civil engineering expertise include building a gas-fired combined cycle power plant in a record 22 months, a world record at the time, as well as building a 1.2m tonne per annum capacity state-of-the-art cement plant.

SPYTL also undertook the civil engineering construction on the RM2.4 billion Express Rail Link Project in Malaysia on schedule and on budget.