Mechanical & Plant Engineering

For many years we have been a reliable partner in the realization and implementation of your system solutions.  We offer you our expertise and support in planning, production and assembly as well as in maintenance and revision.

Plant Engineering


Stahlbau Oltmanns is a long-term business partner to several well-known companies in the production and assembly of plant engineering. We are your reliable partner in the area of petro chemistry, electricity generation, process heat-  and gas processing plant. In addition our area of expertise includes secondary as well as primary steel construction.

  • Pipe systems and supporting construction for hydraulic lines and fittings
  • Support structure for various system installations such as motors, pumps and drives
  • Operating platforms, work flow and platform systems
  • Control and transformer stations, modular machine buildings
  • Conveying technology
  • Construction of buildings, space framework, façade engineering
  • Service, maintenance and reconstruction of existing technologies

Mechanical Engineering

Mechanical engineering is one of the largest, broadest and oldest engineering disciplines and for Stahlbau Oltmanns it represents the foundation and the synergy of many intersections in our manufacturing and assembly. Lifting devices, equipment production and special construction for the on- and offshore wind industry as well as other sectors.

  • Turntable for cable storage
  • Cable paths
  • Traverses and transport materials
  • Support structures for machines and plants
  • Machine foundations
  • Enclosures (also for existing plants)
  • Modifications and additions

Stahlbau Oltmanns

Oltmanns – Your Partner for Challenging Steel Construction Projects

Please, take us at our word by challenging us with ambitious tasks and placing trust in our competency and customer oriented thinking!

No matter in whether kind of specification, if for steel services on multipurpose Vessels, Cable or Pipe Layers, the Off Shore Branch, the Wind Power Industry, Bridge Building and also highly competent at building halls as well our high professionalism for special engineering construction regarding all required Standards and European Rules for Steel and Machine Construction!

Oltmanns GmbH

Schlosserei & Stahlbau
Amboßstraße 2
26632 Ihlow/Riepe

Phone: +49 4928 91530
Telefax: +49 4928 915350


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