The core activity of SIS GmbH is the planning, management and realization of projects in the field of high and special infrastructure construction. This includes in particular: planning and coordination of maintenance and renovation work, planning of new and conversion projects, client representation, technical management and operational safety, creation of operating concepts and life cycle analyses, conducting condition assessments, quality controls and inspections, creation of needs and measures planning, preparation, awarding, supervision and settlement of warranty, repair and maintenance work. The company thus offers comprehensive services for the planning, realization and management of high and special infrastructure projects.