WE ARE MOVING... In the city center of Baden In life Where modern visual culture is cultivated Where handicraft has tradition Every customer is an individual Every consultation is based on partnership Every employee a personality company since 1960 Development and progress This is us Our website kuhnoptik.ch provides informative insight into our work and the world of optics. Our range of services: • Eyeglass frames • Lenses • Optometry • Sunglasses • Eye test, optometric correction determination with OCT (optical coherence tomography) + RetinaLyze screening, DNEye-Scanner® II, ImpressionIST® video centering system and 3D refraction • Eye screening as preventive check (health optics) • Traffic eye test (e.g. for learner's permit) • Further comprehensive functional and preventive examinations • Contact lens fitting, follow-up fitting and follow-up control • All contact lenses, specialized (sleep) and medical contact lenses • Contact lens care products, most free of allergens and conservation agents • Sports optics • Children's glasses • Pediatric Optometry • Visual Training and Syntonics for adults and children • Low vision for visual impairments • Magnifying vision aids and magnifiers • Consultation laser correction and lens implants • Industrial safety eyewear

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Your expert for durable flooring throughout Switzerland – Poroplast AG from Spreitenbach in the Limmat Valley. Welcome to Poroplast AG – your specialist for high-quality, weatherproof flooring for almost 20 years! We are your reliable partner for innovative outdoor flooring systems and operate primarily in the Aargau, Zurich, Zug, and Lucerne regions – and throughout Switzerland upon request. Whether patio flooring, balcony flooring, sports field flooring, fall protection flooring for playgrounds, pool surrounds, or slip-resistant flooring for public and private facilities – our products combine functionality, durability, and aesthetics at the highest level. Thanks to our experience and expertise, we develop tailor-made solutions for each customer that optimally meet their individual requirements. Our key services at a glance: Flooring systems for terraces, balconies, roof gardens, and pool areas Fall protection surfaces for playgrounds, kindergartens, and recreational facilities Sports surfaces for running tracks, sports fields, and multi-sport facilities Slip-resistant coatings for safety in public and private areas Easy-care, UV-resistant, and water-permeable flooring solutions Personal consultation, customized planning, and professional implementation As a leading provider of durable and weather-resistant flooring, we stand for the highest quality, comprehensive advice, and sustainable results. Our flooring is not only functional but also impresses with its modern design and pleasant walking comfort. Contact us for a free consultation – Poroplast AG from Spreitenbach is happy to realize your project in Aargau, Zurich, Zug, Lucerne, or any other region of Switzerland!

Founded in Wettingen in 1962 by Mr. Willi Schmid In 1969, the company was transformed into a limited company, published in the commercial register under W. Schmid AG. Since the beginning, W. Schmid AG has been active for home ABB Baden. Our experience of over 40 years in this sector is still appreciated. In May 2011, the Board held a generational change. Willi Schmid transferred the management of the company to his son, Markus Schmid. He is for more than 10 years in the company W. Schmid AG and has worked in comprehensive education and training measures intensively prepared for the acceptance of responsibility for the entire company. Our main business: 1.) the production of electronic devices and equipment for various customers, for example ABB Switzerland and Germany, Alstom Switzerland, Enics Switzerland oder R&D Carbon Ltd. Sierre, to name only the most important 2.) our signal lamps, which we have developed further and improved over the years 3.) Production services 4.) Development of equipment, service performance and After-Sales-Support for different customers Our company is located in Switzerland in the Canton of Aargau - thanks to our favorable position you can reach us in a few minutes from the A1 motorway, exit Baden / West. Zurich Airport can be reached in half an hour, the City of Basel in just under 55 minutes. The busstation station is only 5 minutes away, the next trainstation is in 3 kilometers away.

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.