Steel works,ship repair & offshore.
Ship repair, conversion, maintenance, newbuild steel constructions, offshore wind equipment and a qualified workforce — all from one partner at GreenPort Pernis.
One partner, every steel job
From a quick repair in transit to a complete newbuild steel construction: one dedicated project manager, one point of contact.
Ship repair
For us, repair means rebuilding. Every vessel is methodically reviewed from bow to stern, with attention to every single detail.
Learn moreConversion
Repair and conversion works of all kinds, fulfilling your specific expectations in quality and completion time.
Learn moreMaintenance
Planned and preventive maintenance in our well-equipped workshop at GreenPort Pernis — keeping your vessel in service.
Learn moreSteel construction & newbuild
Certified welding and newbuild steel constructions according to EN-ISO 3834 and CPR EN 1090.
Learn moreOffshore & offshore wind
Fabrication of offshore equipment such as carousels and baskets for leading offshore and offshore wind contractors.
Learn moreQualified workforce
Steel welders, outfitters and pipe fitters — up to full crews with supervisors, at our yard or on location.
Learn more
Repair means rebuilding
Every vessel brought to our site is treated with first-class service and advanced technology. The whole vessel is methodically reviewed from bow to stern and we concentrate on every single detail. Whatever the problem, we are ready to help you and your vessel.
- Steel repairs and renewal
- Hull and deck works
- In-transit vessel repairs
- Repairs at our yard or on location
Conversions to your specification
SupTech Construction specialises in repair and conversion works of all kinds, for international customers. Our aim is to fulfil your specific expectations in terms of quality and completion time — exactly in accordance with your requests.
- Vessel modifications and upgrades
- Structural conversions
- Outfitting works
- Class-compliant execution
Keeping your vessel in service
Planned and preventive maintenance in our well-equipped workshop at GreenPort Pernis. Careful planning and punctual delivery keep downtime to a minimum.
- Planned and preventive maintenance
- Shore power at the yard
- Workshop at GreenPort Pernis
- Punctual delivery time
Certified steel and welding
We build newbuild steel constructions for the offshore, offshore wind and maritime industries. Our welding is certified to EN-ISO 3834 and our structures to CPR EN 1090 — controlled quality from cutting to final assembly.
- Newbuild steel constructions
- Certified welding (EN-ISO 3834)
- Steel structures (CPR EN 1090)
- Fabrication in our own workshop
Equipment for offshore contractors
From carousels to baskets: we fabricate offshore and offshore wind equipment for leading contractors such as Van Oord, DEME, Osbit and IHC — at our yard in Pernis or on location, including Wilhelmshaven.
- Carousels and baskets
- Offshore equipment fabrication
- Assembly support
- Projects at home and abroad
The right people, fast
We supply a highly qualified workforce for the shipbuilding and ship repair sectors. Thanks to our in-house transport, our people are deployed fast — from a single specialist to full crews with supervisors for oil rig upgrades.
- Steel welders
- Outfitters
- Pipe fitters
- Full crews with supervisors
Sectors we serve
Trusted by clients such as Damen, Saipem, Van Oord, DEME, Osbit, IHC, Wilhelmsen Port Services and SolarDuck.
Maritime
Ship owners, operators and shipyards.
Offshore
Contractors, rigs and offshore equipment.
Offshore wind
Carousels, baskets and wind equipment.
Ports & terminals
Port services and harbour equipment.
Renewables
Floating solar and energy transition.
From request to delivery
Careful planning, clear communication and priority to safety. This is how we approach every project.
Request & inspection
You get in touch and we quickly assess the situation — on board, on location or at our yard.
Planning & quotation
A clear quotation at the best price, backed by careful and realistic planning.
Execution
Led by a dedicated project manager and coordinator, using the latest technology with safety first.
Punctual delivery
Delivered on time, in line with the standards of class societies and maritime authorities.
A one-stop shop at GreenPort
Our yard and well-equipped workshop at GreenPort Pernis bring repair, fabrication and workforce together — saving unnecessary travel with ships, people and equipment.
- Well-equipped workshop for steel fabrication
- Shore power facilities, largely generated by our own solar panels
- Charging points for electrical equipment
- In-house transport for fast deployment
- One-stop shop: repair, fabrication and manpower in one place
Have a project in mind? Let's talk.
Share your drawings, specs or a short description. We respond with a clear plan and quotation.
Good to know
Can't find your question?
Our team is committed to helping you with timely and effective solutions.
Call us nowYes. All works are performed according to the rules and standards of all major International Classification Societies and National Maritime Authorities.
At the maritime hub GreenPort in Pernis, Pastoriestraat 1, 3195 HT Pernis, the Netherlands — home to our well-equipped workshop.
Yes. We provide experienced personnel for projects of all scales — from in-transit vessel repairs to full crews with supervisors for oil rig upgrades. Think steel welders, outfitters and pipe fitters.
SupTech is VCA* certified and holds EN-ISO 3834 (quality requirements for fusion welding) and CPR EN 1090 (steel and aluminium structures). All certificates can be downloaded from our QSHE page.
Our streamlined logistics and in-house transport allow for fast deployment. Get in touch and we'll discuss your schedule right away.
Every project is overseen by a dedicated project manager and coordinator, giving you one point of contact and a high standard of service.
Get a quote for your project
Choose a service, tell us about your vessel or structure and we'll get back to you personally.