About the group

The Group Vald. BIRN A/S is an international group with sales offices close to our customers as well as sales teams specialised in meeting our customers’ requirements and demands. We currently employs approximately 850 people and consists of the following companies both in Denmark and abroad:

  • Vald. BIRN A/S (parent company), Holstebro Denmark
  • Vald. BIRN GmBH - Mülheim, Germany
  • Tasso A/S - Odense, Denmark
  • Kockums Maskin AB - Kallinge, Sweden
  • Uldalls Jernstøberi - Vejen, Denmark

Every company specializes in various areas of casting or processing, and therefore we ensure that we always offer our customers the best and most broad-based solutions in the industry.

More about the companies


Vald. BIRN GmBH was established in 1975 with the aim of getting closer to the German users of transmission elements. As a result, Vald. BIRN GmBH currently stocks in almost all element groups for open transmission. Vald. BIRN GmBH has also set up a workshop for both machining special products and drawing, and therefore stocks and machines cast iron bar are also processed.

Read more about Vald. BIRN GmBH here.

Tasso A/S

Tasso A/S was founded in 1856, which is why it today is the oldest foundry in Denmark. Initially, the foundry mainly manufactured stoves and central heating boilers, while today the company only handles cast iron bar stock in various dimensions.

Due to the used production method, continuous cast iron stock has a fine-grained structure, that ensures good density. When combined with excellent pressure tightness, cast iron bare stock is suitable for the manufacturing of, for example, hydraulic and pump components.

Tasso A/S is ISO 50001 certified and environmentally certified.

Read more about Tasso A/S here.

Kockums Maskin AB

Kockums Maskin AB has roots back to 1742 and is one of Scandinavia's leading manufacturers of complete cast iron components.

Here, unique skills, great flexibility and the combined resources of the group are utilized to take the total responsibility for everything from design to the finished component.

Kockums Maskin AB is TS16949 and ISO 14001 certified.

Read more about Kockums Maskin AB here.

Uldalls Jernstøberi A/S

Uldalls Jernstøberi A/S was founded in 1944 and over the years it has been expanded and modernized, with the result that the company today is a modern, flexible and quality conscious foundry.

Uldalls Jernstøberi A/S specializes in manufacturing large, hand-shaped items in relatively small quantities and with a short delivery time.

Uldalls Jernstøberi A/S is environmentally approved.

Read more about Uldalls Jernstøberi A/S here.

Peter Frost Jepsen
Commercial Director