Initially, the cooperative was dedicated to manufacturing wrapping machines for chocolates, today ULMA Packaging, and it entered the construction sector, another of its current pillars.

At the same time and in the same region, four workers from the Forjas de Zubillaga company decided to acquire a locksmith and accessories workshop.

Their names were Pedro and Enrique Guridi, Sebastian Ayastui, Ramón Irizar, Sabino Tellería and Juan Urcelay and they made balconies, metal doors and other forged and stamped products.

Its growth and consolidation gave rise to the manufacture of cable ties through the acquisition of a Drop Hammer that would transform the company and be the basis for its subsequent development.

In December 2022, in a plenary assembly of the ULMA Group cooperative, they decided to leave the Mondragon Corporation.

[2][3] As of 2023, about 5,600 people work in the ULMA Group, which currently has a business volume of more than 1,100 million euros, of which close to 70% were international sales.