NLI is a medium sized highly qualified supplier of piping and steel fabrication, mechanical assembly, maintenance services including turnaround.

NLI Grenland is also taking responsibility for delivering small and medium size turnkey projects (EPC) with internal co-operation with the NLI companies.

We are a flexible and hands-on company with broad experience and competence. We always strive to meet clients’ expectations.

Contact Mechanical, Maintenance & Turnaround:
Thorbjørn Gundersen, Mechanical Dept. Manager NLI Grenland AS.
Telephone: +47 916 19 016. Mail: thorbjorn.gundersen@nli.no



  • Welding: Piping/Steel structures for onshore/offshore modifications
  • Erection/installation mechanical equipment’s
  • Gas Turbine Generator and compressor module assembly

Maintenance & Turnaround

  • Frame agreements mechanical personnel maintenance services
  • Turnarounds/shutdowns
  • Repair & service of rotating machinery and process equipment’s
  • Machining/re-engineering spare parts
  • Project Management
  • Welding Engineer, IWE
  • HSE Planning and Management
  • Project Planning, Control and Surveillance
  • Prefabrication and Sub-contracting
  • Installation Planning and Documentation
  • Capacity to deliver up to 300 mechanics, welders and tubers for projects

Headquarters, Herøya (SiC 1)

Our headquarter was built in 2007 and is located next to Herøya Industripark.

Workshop and Offices Herøya

  • 3,500 m2 indoor
  • 2 separated areas – stainless & carbon
  • 6,000 m2 outdoor yard
  • 4*10 ton cranes (up to 25 ton single lift)
  • ~30 offices
  • 3 meeting rooms
  • 1 canteen (~35 seats)