Based in Sarmenstorf, Switzerland, Retrotec is your reliable partner for custom technology solutions. From electrical engineering and IT networks to control systems and electronics, we bring your visions to life. With Swiss precision, extensive experience, and state-of-the-art technology, we deliver the highest quality standards to realize your projects efficiently and sustainably. Electrical Engineering: Tailored Solutions for Industrial Applications Retrotec provides bespoke control systems, energy management solutions, and custom machinery and prototypes. • Energy Efficiency & Security: Optimize your systems for sustainable energy use and transition to renewable resources with our expertise. • Custom Control Systems: Unique solutions designed to meet your specific needs, ensuring flexibility and operational excellence. Let us transform your challenges into solutions, from concept to commissioning. Electronics: Repair, Optimize, Innovate From developing innovative prototypes to restoring older systems, Retrotec offers comprehensive electronic services. • Retrofit: Modernize existing machines for enhanced performance and sustainability – an affordable alternative to new purchases. • Prototyping: Bring your product ideas to life with precision and attention to detail. • Repairs: Our extensive component inventory and reverse engineering expertise enable us to restore nearly any device. At Retrotec, innovation and sustainability are at the core of everything we do. Control Systems & Machinery: Custom-Made for Your Business Retrotec specializes in building customized machinery and control systems tailored to your exact requirements. • Specialized Solutions: From small series production to fully customized designs, we deliver what your business needs. • Industrialization Support: Transition smoothly from prototype to mass production with our expertise. Our mission is to exceed your expectations with intelligent engineering and top-tier quality. IT & Networks: High-End Technology for Maximum Performance In today’s digital age, Retrotec is your trusted partner for secure and high-performance IT and network solutions. • Data Centers: Efficient, scalable server rooms designed for maximum uptime and reduced operational costs. • Network Infrastructure: High-performance solutions featuring the latest hardware and connectivity technologies. • Cybersecurity: Safeguard your data with firewalls, VPNs, two-factor authentication, and more. Boost productivity, security, and speed with IT solutions designed by Retrotec. Why Choose Retrotec? • Swiss Quality: All our development, design, and manufacturing is proudly Swiss-made, ensuring precision and durability. • Sustainability: We prioritize eco-friendly processes and resource-efficient solutions. • Customer Focus: From initial consultation to delivery, our dedicated team supports you every step of the way. Start your next project with us! Visit our website at www.retrotec.ch to learn more about our services and capabilities.

Emmenegger Bau GmbH: Your Expert for Construction and Renovation Work in Oberwil-Lieli Welcome to Emmenegger Bau GmbH, your trusted partner for high-quality construction and renovation work in Oberwil-Lieli and the surrounding area. For years, we have been offering our customers a comprehensive range of services, including new constructions, remodeling, renovations, custom projects, and specialized garden work. Our expertise and commitment to quality make us the top choice for anyone who values precise and reliable construction services. New Constructions: Your Dream Home from the Ground Up When it comes to realizing your dream home, we are your competent partner. Emmenegger Bau GmbH accompanies you from planning to handing over the keys, ensuring that your new construction meets all your requirements. We place great importance on high-quality materials, precise execution, and adherence to deadlines. Remodeling and Renovations: Bringing New Life to Old Buildings Do you want to modernize your property or adapt it to new needs? Our team takes on remodeling and renovations with the utmost care. We bring fresh energy into old structures and implement your individual ideas, whether it's reconfiguring living spaces or modernizing bathrooms and kitchens. Renovations: Uniting Tradition and Modernity Renovations are our strength. At Emmenegger Bau GmbH, we combine traditional craftsmanship with modern techniques to make your property shine in new splendor. Whether it’s the restoration of historical buildings or the renovation of modern structures, we bring your property up to the latest standards. Custom Projects: Flexible and Individual We understand that every project is unique. That’s why we offer tailored custom projects designed to meet your specific needs. Whether it’s small repairs or extensive construction projects, we are here to support you with advice and expertise. Excavation and Stonework: Robust and Reliable Our excavation and stonework services are the foundation for stable and long-lasting structures. Whether it's excavating foundations, laying pathways, or constructing walls, we have the necessary know-how and equipment to successfully execute your projects. Masonry: Precision in Every Stone Masonry work requires experience and precision. At Emmenegger Bau GmbH, we rely on skilled craftsmanship and attention to detail to construct walls, facades, and other masonry structures that are not only functional but also aesthetically pleasing. Trust Emmenegger Bau GmbH for high-quality construction and renovation work in Oberwil-Lieli. We look forward to bringing your project to life together with you. Contact us today and let’s discuss your ideas!

Danke für die zuverlässige und stets ausgezeichnete Arbeit!