TRUMPF GmbH + Co. KG
TRUMPF are a manufacturer of machine tools and industrial laser systems; some of their products are fiber lasers. IDTechEx had discussions with TRUMPF at SPIE Photonics West 2018 (USA) and LASYS 2018 (Germany).
Trumpf are a key player in the fiber laser market, and manufacture high-power fiber lasers for material processing. Commercially more successful than Convergent.
SPI Lasers Limited
Trumpf are the parent company of SPI Lasers and purchase fiber lasers from SPI.
Heraeus - 3D printing metals
Developing process for Trumpf SLM machines