Electronics and industrial conglomerate with operations in the automation and control, information and communications, lighting, medical, power, and transportation sectors. ( NYSE: SI )Siemens Building Technologies Deutsch Site Map | Contact Us Home | Products, Solutions & Services | News & Events | Press | Jobs & Careers | About Us Global Network of Innovation Siemens Building Technologies provides a complete offering of technical infrastructure for security, comfort and efficiency in buildings. Innovative products, systems, total solutions and services – worldwide. Building Technologies Web