About us

Koh Kock Leong Enterprise Pte Ltd (KKL) is a civil engineering firm founded in 1991 and named after the eponymous Mr. Koh Kock Leong. Beginning with humble roots as a Granite Supplier, KKL is now a specialist in Earthworks and Cable Tunnel projects.

KKL is a Building and Construction Authority (BCA) accredited company for cable installation and road reinstatement, civil engineering and supply of building materials. Today, the company has evolved from a dedicated building materials supplier to a civil engineering ‘one-stop shop’ to provide customers with integrated solutions. With a fleet of vehicles, KKL handles both the excavation and disposal of material.

KKL has kept up with today’s fast-paced Singapore by innovating with technology that improves productivity. KKL has achieved the standards of excellence in quality – ISO 9001:2015; occupational safety & health – ISO45001:2018 & bizSAFE Star Level; as well as in environment – ISO 14001:2015. These accreditations are testament that KKL can continue to deliver service excellence to its esteemed clients and be a champion for occupational safety & health and environmental causes.