Since 2002 Amecha is member of Koninklijke Metaalunie.

Koninklijke Metaalunie is the largest Dutch employers’ organisation for small and medium-sized enterprises active in the metal industry.The more than 13,000 affiliated members offer work to approximately 150,000 employees and jointly represent a turnover of more than 22 billion euros. Metaalunie focuses its activities on companies active in the metal industry up to approximately 100 employees in different sectors such as machine and equipment construction, the manufacture of metals, measuring and control technology, electronics, engineering, welding and construction work, tools, casting, yacht building, machining, sheet-metal working, agricultural mechanisation, overhauls and maintenance and trade and service.