CNC Technik Schwerdt GmbH, founded in January 2015 and based in Lünen, is a medium-sized manufacturer specializing in machining and tooling for light metal casting. The company designs and produces custom casting units and kokillen (molds), manufactures cathode connections, and performs kokillen repair and resurfacing. Primary machining capabilities include milling, turning and drilling for single parts and small assembled units used in general machine and plant engineering.

Symatec CnC-Technik GmbH is a precision machining company established in 1992 that specializes in CNC turning and milling. The company operates a modern machine park and provides 3–5 axis machining, high-speed milling and complete CNC processing for prototypes through medium-series production. Additional services include assembly manufacturing and surface treatments such as coatings, hardening and anodizing; programming is performed from 3D models using Mastercam.