LAURENT MEMBREZ S.A. is a leading Swiss civil engineering company known for its strong expertise in railway construction , railway maintenance , infrastructure works , and complex civil engineering projects . With decades of experience, the company delivers large-scale construction projects across French-speaking Switzerland and throughout the country. Specialized in railway track works , rail infrastructure maintenance , civil engineering works , and concrete structures , LAURENT MEMBREZ S.A. relies on high-level technical know-how , efficient project management , and highly skilled construction teams to meet the most demanding requirements. Thanks to a modern machinery fleet , specialized railway equipment , and state-of-the-art construction technology , LAURENT MEMBREZ S.A. ensures high execution quality , maximum safety standards , and on-time project delivery for all civil engineering and infrastructure works . As an independent family-owned company , LAURENT MEMBREZ S.A. focuses on providing tailor-made construction solutions for public authorities , transport companies , industrial partners , and project owners . The company’s values are built on reliability , client proximity , technical excellence , innovation , and sustainable construction practices . A key player in the Swiss construction and civil engineering sector , LAURENT MEMBREZ S.A. stands out for its railway infrastructure expertise , engineering performance , construction quality , and its ability to manage complex civil engineering projects , from earthworks to final structural execution .