Materials Solutions Materials Solutions – A Siemens Energy Business - is an expert in the use of selective laser melting (SLM) to manufacture of high-performance metal parts. The company offers additive manufacturing ser Materials Solutions – A Siemens Energy Business - is an expert in the use of selective laser melting (SLM) to manufacture of high-performance metal parts. The company offers additive manufacturing services for the energy industry as well as for aerospace, automotive and motor sports, and other high-performance applications.