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J. Christof
Top Quality due to
Many Years of Experience
Highly Qualified
Unsurpassed Flexibility &
Adherence to Agreed Delivery Deadlines


Plant Engineering
and Industrial Services

+ Highest Quality
+ Reliability
+ Adherence to Agreed Delivery Deadlines


Pipeline Construction

We connect what is important to you. Trusted welders and experienced pipe fitters are your guarantee for a top quality pipeline installation.

Mechanical Maintenance

To ensure that your plant remains in operation, we are here for you with unsurpassed flexibility. We take care of ongoing maintenance, preventative servicing, as well as repairs in the event of damage.

Shutdown Activities

Precision planning, implementation with top specialists, and years of experience – this is how we implement your shutdown in accordance with agreed delivery deadlines and with the highest level of quality.

Boiler Inspections

Prevent unwanted plant downtime through regular boiler and tank inspections and repairs. We are here for you – quickly, efficiently, and reliably.

Industrial Installations

You’re planning a new plant? Turn to the leading provider in plant engineering with decades of experience and outstanding specialists.


OMV-Stop 2017

Client: OMV Refining & Marketing GmbH

In the course of the general turnaround at the Schwechat refinery, the processing facilities in the petrochemical division were shut down. J.Christof was active in this project as the principal contractor with more than 650 skilled laborers. Our expertise and years of experience enabled J.Christof to implement the project with outstanding quality to the highest satisfaction of our customer despite a short timeframe.



  • Mechanical work on columns, heat exchangers, tanks, and fittings
  • Pipeline repairs
  • Apparatus repairs
  • Boiler service
  • Pipe installation of the gas throttling station
  • New piping of process furnaces B 9603 and B 9607

Pipeline Installation Top 1 / Vac 1 and District Heating

Client: Mineralölraffinerie Oberrhein GmbH & Co.KG

In the course of installing approx. 750 tons of pipelines of various material qualities and diameters, approximately 25,000 weld seams were produced within a few months. Deploying up to 700 employees, 30 installation coordinators and engineers ensured outstanding planning as well as a smooth project implementation. Despite a challengingly short implementation period, J.Christof was able to impress with their quality of work, adherence to agreed delivery deadlines, and compliance with stringent safety standards.


  • Disassembly of equipment and pipelines
  • Equipment installations, such as heat exchangers and tanks
  • Prefabrication and installation of pipelines
  • Mechanical shutdown activities on columns, heat exchangers, air coolers, furnaces, tanks, and fittings