Trefz GmbH is committed to the society and the environment and strives to contribute to the common good. Safety and protection of people and the environment are of great importance to us. Therefore we focus on a safe, efficient and environmentally friendly production. Needless to say that we always conduct business in accordance to legal requirements. For the disposal of our waste we commission certified companies only. Our machinery is state-of-the-art and thus guarantees high energy efficiency. Applications like a Photovoltaic system and a waste management system are part of our todays standards at Trefz. In 2020 we are taking part in an initiative to optimize energy efficiency with the aim to reduce CO2 emissions.  "Germany makes it efficient". www.machts-effizient.de  

Since 2023 our management system is certified according to DIN ISO 14001.
We take our social responsibility seriously by supporting associations and getting involved in initiatives such as addiction and youth welfare services. 


Furthermore, we regularly offer young people career prospects by providing several apprenticeships.