We work in a variety of industries, but our solution always has the same starting point – the skilled welder who delivers good craftsmanship!

Offshore Renewables

Welding & documentation


Production, installation & class approval


Welding & documentation

Steel Construction

CE-labelled balconies

Onshore Renewables

Welding, QA & development of special tools


Welding & recovery of LNG tanker

Rope Acess Inspection

NDT Inspection – UT, TOFD & MPI

Turnkey Offshore Renewables

Main component Exchange (MCE)

Interested in our services?

We will be at WindEnergy Hamburg – see you there?

Our Happy Clients

3WIS is a supplier for MAN
3WIS is a supplier for SGRE

Follow our projects