STRABAG Infrastructure & Safety Solutions GmbH

STRABAG Infrastructure & Safety Solutions GmbH (SISS) is a specialized technology provider and system integrator for critical communication, traffic management, and safety infrastructure. Headquartered in Vienna, Austria, SISS operates as a subsidiary of STRABAG AG, delivering safety-critical technology systems across European markets. The company specializes in tunnel and traffic technology, including automation systems, central traffic control facilities, and variable message signs. Additionally, SISS supplies digital paging networks, mobile and stationary radio communication systems, control center dispatching technology, and mobile video systems for public transport vehicles. For construction sites and hazardous environments, the firm delivers intelligent site security systems, video surveillance, and smart traffic control solutions. SISS serves public sector authorities, emergency management organizations, transport operators, and industrial enterprises. The company provides end-to-end technical services comprising engineering, system integration, commissioning, preventive maintenance, and ongoing technical support.