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.

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.

Wir sind sehr zufrieden mit der Dämmung unserer Heizung und Sanitären- Anlagen. Freundliche und Motivierte Mitarbeiter. Empfehlenswert

Bauingenieure Haller & Partner AG (BHP) , based in Oberwil, Basel-Landschaft, is your experienced partner for structural engineering, building construction, civil engineering, and bridge engineering in the Basel region. For over 20 years, we have been delivering sustainable, economical, and innovative construction projects for private, commercial, and public clients. Our team of specialized civil engineers and CAD professionals plans and supports construction projects from concept development through to execution—whether for industrial facilities, residential buildings, infrastructure projects, or specialized structures. We place strong emphasis on the highest safety standards, cost control, and on-time project delivery. As a local engineering firm in Oberwil BL, we have in-depth knowledge of regional building regulations and implement them efficiently. Our services also include seismic engineering and geotechnical engineering to ensure your structures are safe, stable, and durable. Rely on the expertise of Bauingenieure Haller & Partner AG for your construction projects in Basel-Landschaft and the surrounding region—providing professional planning, reliable execution, and tailored engineering solutions. What we offer: • Structural engineering and statics for building and civil engineering projects • Project planning and construction management for private, commercial, and public developments • Design of structures made of concrete, steel, masonry, and timber • Bridge and infrastructure projects, industrial buildings, and residential developments • Structural maintenance, inspections, and seismic/geotechnical engineering services • Comprehensive project support from concept design to construction, with a focus on safety, quality, cost control, and schedule reliability We look forward to supporting your construction project with expertise and reliability. Your Haller & Partner AG Team

Renovate water pipes instead of replacing them, quality from the leader, already over 225,000 pipe renovations. Promotec Service GmbH has been your reliable partner for the renovation of drinking water pipes throughout Switzerland since 1993. We are at home in Reinach Basselland near Basel, Arlesheim, Aesch, Dorneck and the Leimental. Whether rusty water, rusty water, rust or lime in the pipes, clogged water pipes, unclogging and cleaning installations, rusty pipes, brown water, pressure drop, a thin stream of water, low/low water pressure, poor water quality, pipe breakthroughs, water pipe bursts, pitting, corroded pipe breakthroughs Pipes, we have the solution - the Promotec pipe renovation system. Our patented wet cleaning process does not require any structural measures; the pipes are simply renovated from the inside. The process begins with wet cleaning, which gently and thoroughly cleans backwards and forwards. After drying and roughening, the pipes are sealed on the inside with a special coating and protected for a long time. The end product is a type of "pipe-in-pipe system" that is in no way inferior to today's plastic pipes in terms of durability and quality. The approved coating material is absolutely harmless to health because it is completely solvent-free and meets the regulations of the food law. The same material has also been used in cans for years as reliable rust protection. Your advantages the apartments/houses are habitable during the renovation always have running water The costs compared to replacing the pipes are up to three times cheaper the work only takes 2 – 5 days (EFH/Apartment) The following lines can be renovated: Galvanized drinking water pipes (cold and hot water) Drinking water pipes made of copper (cold and hot water) Swimming pool pipes Fire extinguishing lines Heating cables (copper/steel) Promotec Service GmbH, Sonnenweg 14, 4153 Reinach, www.promotec.ch

Kanal-Institut AG – a young company with many years of professional experience We are a young company with many years of professional experience and expertise, offering high-quality services to both private and business customers. Our team consists of qualified professionals who work with state-of-the-art equipment and technology to ensure efficient and reliable solutions for all sewer problems. We specialize in clearing blockages, repairing leaks, and rehabilitating sewer systems to ensure their proper function and longevity. As a trusted partner, we place great emphasis on customer satisfaction and offer tailored solutions for individual needs. Our commitment to quality, reliability, and environmental sustainability is reflected in everything we do. Contact us today to learn more about our services and how we can help you optimally maintain your sewer infrastructure.