Sectors — 03

Three disciplines.
One standard of execution.

We do not chase every market. We commit deeply to the ones where owned assets, in-house engineers, and long operating memory decide outcomes.

Tunnels & Underground
Sector / 01

Tunnels & Underground

From metro segments in dense urban geology to alpine road tunnels at 3,000 m, Pillarstone operates a fleet of five TBMs and a fully owned segment yard. We self-perform lining, ventilation shafts, and cross-passages.

  • TBM diameters 4.2 m — 12.4 m
  • SEM / NATM excavation crews
  • Precast segment casting — 3 yards
  • Ground freezing & jet-grouting
Energy Structures
Sector / 02

Energy Structures

Offshore wind foundations, run-of-river hydro, HV substations, and grid interconnectors. Pillarstone Marine owns a jack-up and two heavy-lift barges, allowing single-contractor delivery from geotech through commissioning.

  • Monopile & jacket foundations
  • Roller-compacted concrete dams
  • GIS substations up to 550 kV
  • Submarine cable landfalls
Transport Corridors
Sector / 03

Transport Corridors

Freight rail, motorway, and multi-modal port works — from earthworks and drainage through signalling and handover to the operator. Our concessions arm holds long-term O&M on seven European corridors.

  • High-speed rail alignment & track
  • Motorway EPC & viaducts
  • Caisson quay walls & dredging
  • 25-year O&M concessions