Total square footage of Dumaco’s sites

Your supplier today; your partner for the future!

We’re all about metal here at Dumaco

For more than 50 years, Dumaco Hardinxveld-Giessendam (previously Blokland Metaalbewerking) has been widely known as a specialist in ferro and non-ferro parts at semi-finished-product level. We combine years of experience with a very modern machine pool and automated production.

Dumaco Hardinxveld-Giessendam offers an extensive range of services: tube-laser cutting, laser cutting, water cutting, punching, bending/folding, milling, turning and assembly. So, customers can rely on it to provide a very varied and reliable service.

The 85 employees at Dumaco Hardinxveld-Giessendam’s two sites work hard on a wide range of different workpieces every day. The team is so well-coordinated that customers can always rely on a reliable and experienced contact person.

Market segments

  • Machine building
  • Aviation
  • Street furniture
  • Ship building


  • Sheet and tube-laser cutting varying from 3.2 KW to 6 KW, including punch and laser processing techniques
  • 9 CNC processing centers, 6 CNC turning machines and 2 turning-milling centers
  • One-stop-shop: almost every processing technique offered in-house


Dumaco Hardinxveld-Giessendam
+31 (0)184 – 67 77 00

Sheet metal

Kade 20, 3371 EP Hardinxveld-Giessendam

Engineering works

Smederij 30, 3371 MC Hardinxveld-Giessendam


Interested in joining us? Click here to take a look at our vacancies.

Need information?

We’re always here to help.

Whether you’re interested in tube-laser cutting, laser cutting, water cutting, milling or assembly: look no further than Hardinxveld-Giessendam. As you know: we’re all about metal here!

Contact us

Special projects

Big hinge pieces for the offshore industry
Stainless steel 316 flanges for supertanker loading and unloading arms

Machines in the spotlight

Plaatlaser: Trumpf TruLaser Center 7030
Freesmachine: Hedelius
Buislaser: Adige