Siemens is a researcher and developer of technological engineering including industrial engineering, energy engineering, and medical engineering. Products and services include building technologies, energy and automation solutions, financial solutions, internet technology systems, internet technology solutions, network systems, network solutions, network security systems, internet security systems, transportation systems, water technologies, power generation, power transmission, power distribution, diagnostic imaging, diagnostic therapies, hearing solutions, laboratory diagnostic systems, sustainable energy solutions, consumer products, corporate research, communications systems, information systems, and government solutions.