Filter by category: Institutional ROHR's structural solutions give shape to the Oscar Niemeyer Convention Center in Maringá. SIPAT at ROHR: Promoting a culture of occupational safety and health. SIPAT 2025 ROHR: Safety, health and well-being in focus. Safety that protects lives: what ROHR professionals say about their daily work on construction sites. Occupational Safety and Health: Highlights of the 2024 SIPAT at the ROHR SP Branch ROHR earns new certifications! Being in the market for so long, contributing to different projects and facing high levels of complexity... Social Project Adopt a Bed ROHR products for sale are available for quotation via the website. New ROHR catalogs by market segment are available for download. Excellence renewed: ROHR achieves ISO 9001 and ISO 45001 certifications once again. Civil Engineering Day: stories of those who transform projects into reality. October 25th is celebrated as Civil Engineering Day and Civil Engineer's Day — dates that honor the professionals responsible for designing, planning, and building the structures that support our development: buildings, bridges... ROHR 2026 Winter Clothing Drive Social initiatives supported by ROHR: education, culture, sports, and health, to change realities. April 28th: World Day for Safety and Health at Work