- carrying out small tunes and big ones using micro tunneling system for the first and pipe jacking for the later.
- drilling for water and drainage systems .
- supporting and strengthening the inner parts of holes.
- drying up water.
- using "Caisson Sinking" to systemically drain water.
- cooperating with Lift Slab company, Sband carries out some heavy work.
- drilling artesian well.
- constructing fountains.
- producing tanks and different factory chimneys.