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Intelligent energy
is the future.  

Secure, efficient, cost-optimised.
Energy infrastructure with SAG.  

Pipeline construction for all process liquids and gases, in all dimensions and pressure levels

SAG subsidiary Bohlen & Doyen is one of the most experienced pipeline constructors in Europe and has all the required certificates in pipeline and pipe construction. The range of services includes pipelines for all process liquids and gases (including district heating and steam pressure lines) in all dimensions and pressure levels.

Bohlen & Doyen offer the complete service — even in demanding turnkey projects: planning, material logistics, civil engineering, welding, road and rail crossings, horizontal drilling, inspections and much more.