Our Clients & Partners

Strong relationships. Built underground.

We work alongside long-standing affiliates in Singapore's tunnelling industry, and our people have earned their reputation delivering for Asia's leading contractors.

Affiliate Partner

Yu Sin Engineering Work Pte. Ltd.

A long-established name in Singapore's tunnelling industry. Together we field TBM crews and mechanical teams for MRT and utility tunnel contracts — including Thomson–East Coast Line packages.

Affiliate Partner

Pro TBM Pte. Ltd.

Specialists in tunnel boring machine works with a long history in Singapore. Our affiliation combines machine expertise with crew depth for current Singapore tenders and the future Dhaka Metro.

Contractors our team has delivered for

Over two decades, our founders and crews have worked under and alongside these main contractors on metro, sewerage and utility tunnels.

TA
Taisei Corporation
Circle Line Stage 4 · Singapore
OB
Obayashi Corporation
MRT tunnelling · Singapore
PO
Penta-Ocean Construction
TBM works · Singapore
MG
MMC-Gamuda KVMRT
Klang Valley MRT · Malaysia
SC
Samsung C&T
TBM assembly & maintenance
SB
Sembawang Corporation
TBM fabrication works
KS
KSL Tunnelling Pte. Ltd.
DTSS T04 · Singapore
SE
Sambo E&C
Downtown Line 3 · C925
CR
CMC Ravenna
Downtown Line 3 · C927
JT
Japan–Turkey Metro JV
DURL · Dubai, UAE
MJ
MRT Jakarta Contractors
CP201 / CP202 · Indonesia

TBM platforms we know inside out

Assembly, operation, maintenance and dismantling experience across the industry's major machine manufacturers.

Herrenknecht — EPB / Slurry / Variable Density CREG — EPB & Slurry up to Ø12.6 m Kawasaki — Slurry & EPB Mitsubishi — EPB up to Ø10 m Robbins — EPB STEC — EPB