The owner of the Feddersen Group companies is K.D. Feddersen Holding GmbH. The sole shareholder of K.D. Feddersen Holding GmbH is the non-profit K.D. Feddersen Foundation. The Feddersen Group’s companies cover a wide variety of competencies across a number of different sectors. K.D. Feddersen specialises in the worldwide trade and distribution of engineering plastics, technical products, chemicals and raw materials. AKRO-PLASTIC has been a part of the Feddersen Group for 30 years and is a specialist in innovative and application-oriented plastic compounds. AF-COLOR, a branch of AKRO-PLASTIC, began operating under its own name in 2003 and specialises in the manufacturing of black, color and additive masterbatches. BIO-FED, another branch of AKRO-PLASTIC, develops and markets biodegradable and bio-based plastics. Toll compounding experts PolyComp became part of the Feddersen Group in 2013. Based in Norderstedt near Hamburg, they specialise in contract manufacturing and the production under licence of engineering plastics. Since 2018, M.TEC ENGINEERING GmbH, an engineering service provider for the design of products and processes, has been part of the Feddersen Group. Founded in 2009, FEDDEM GmbH & Co. KG focuses on mechanical engineering and the manufacture of twin-screw extruders and compounding lines as well as turnkey systems. Completing the Feddersen Group of companies is Voß Edelstahlhandel GmbH & Co. KG. Founded in 1979, this stainless steel trading company specialises in the supply of stainless steel, aluminium and yellow metals.