For over 80 years, Sena Plastics AG has passed on its extensive knowledge of plastics processing from generation to generation. Today, the company is one of the leading specialists in the manufacture of plastic products and systems for a wide range of applications. From its headquarters near Basel, Sena Plastics supplies customers all over the world. In close cooperation with its customers, Sena Plastics develops tailor-made solutions that offer the highest levels of efficiency and precision. Thanks to its extensive know-how, the company recognizes specific challenges and offers optimal solutions with individually adapted products. This expertise makes Sena Plastics a recognized major player in plastics processing. Thermoplastics and thermosets are indispensable today - especially in industry. Numerous companies from the chemical, food, pharmaceutical, transport and metallurgy sectors are among Sena Plastics' customers. With a wide range of high-quality plastic materials (PP, PE, PVC, PVDF, E-CTFE, FEP, PFA, PTFE ...), the company manufactures products that combine quality, durability and efficiency. Sena Plastics offers comprehensive services in the development, design, manufacture and assembly of sophisticated systems, devices and components for various industries - including mechanical and process engineering, the chemical and pharmaceutical industries and construction. The company's core areas include: Apparatus and plant construction Parts, components and assemblies Linings and in-liners made of thermoplastic and high-purity fluoroplastics Ventilation technology and pipeline construction Shut-off, control and ventilation flaps Pressure-maintaining fittings

Gruner All according to plan. Gruner is a leading engineering, design and planning consultancy in the construction industry. In the business areas buildings, infrastructure, and energy, we support our private and public clients in all project phases from strategic planning through construction to commissioning and management of buildings and infrastructure. In doing so, we combine services from a comprehensive range of competencies such as structural design, geotechnics, general planning, building services, energy production and distribution, road and rail construction, civil engineering, environment, safety, security, and spatial planning in order to offer optimal and sustainable solutions. With more than 1.100 highly qualified employees in over 30 offices in Switzerland, Germany, Austria, Serbia, Georgia, Turkey and Tajikistan, as well as at countless project locations worldwide, we are always close to the customer and where development and construction are taking place. Thanks to interdisciplinary cooperation, we set new standards in engineering methods and the application of digital processes. We are constantly evolving in step with our customers. Gruner is an independent family business headquartered in Basel/Switzerland and we are proud that we have been providing innovation and inspiration since 1862.

Unsere hohen Qualitätsansprüche wurden vollumfänglich erfüllt.

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

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.

DKS Vermessung is a Swiss surveying company that provides professional and accurate geospatial measurement services. The company specializes in land surveying, mapping, and 3D scanning services for various sectors such as engineering, construction, architecture, and land management. With years of experience, DKS Vermessung utilizes the latest technology and state-of-the-art equipment to provide comprehensive and precise results. The company offers a wide range of services including boundary surveys, topographic surveys, construction staking, and 3D laser scanning. DKS Vermessung takes pride in its team of skilled and knowledgeable surveyors who are committed to providing high-quality services that meet the needs of its clients. They work closely with clients to understand their requirements and deliver customized solutions that are accurate, timely, and cost-effective. Overall, DKS Vermessung is a reliable and reputable surveying company that provides comprehensive and accurate geospatial measurement services for various industries in Switzerland.