As an innovative service company, we implement sophisticated technologies into practical applications for you. We structure engineering based on economic and user-friendly criteria. Our main focus lies in comprehensive electrical planning for buildings of all types. As an independent supervisory body, Procoba conducts periodic electrical inspections in accordance with the Low Voltage Installation Ordinance, ensuring the safety of electrical installations. Through device testing for invisible and imperceptible defects according to EN 50678, we contribute to personal safety and fire prevention.

Roli GmbH , based in Basel, is a regionally active and specialized service provider focused on leak detection and waterproofing inspections for flat roofs . We support property developers, architects, facility managers, and insurance companies in the reliable analysis and maintenance of flat roof systems – from single-family homes to industrial buildings. With years of experience and the use of advanced technologies, we are a trusted partner for precise, non-invasive leak detection , technically sound inspection methods , and clear, structured documentation . Our guiding principle: Find the root cause – not just treat the symptoms . Our Core Services Flat Roof Leak Detection Using cutting-edge technologies such as moisture sensors, smoke tests, thermography, and electronic pulse systems, we locate weaknesses quickly and accurately – even in complex roof constructions. Waterproofing Integrity Testing For both new and existing buildings, we verify the performance of waterproofing systems before handover or use – with fully documented, protocol-based and independent testing procedures. Roof Inspection with Report We carry out structured condition assessments of flat roofs, including photo documentation and maintenance recommendations – ideal for damage prevention or decision-making in renovations. Expertise Across All Roof Types Experienced in cold roofs, warm roofs, inverted roofs, green roofs, and walkable/drivable roof systems. Who We Work With • Architects & General Contractors – for acceptance tests or quality assurance • Property Managers & Homeowners – for water damage diagnostics, leak assessment or renovation planning • Insurance Companies & Surveyors – for neutral and technical evaluations • Industrial & Commercial Clients – for routine roof checks and safety assessments Locally Rooted – Available Nationwide Our core service area includes Basel, Basel-Landschaft, Aargau, Solothurn, and the Northwestern Switzerland region. Upon request, we are also available throughout Switzerland. Flexibility, short response times, and clear communication are our daily standards. Why Roli GmbH? • Independent & Objective: We don’t sell sealing materials – we identify causes. • Technically Reliable: Use of professional-grade tools and methods • Documented & Transparent: You receive clear inspection reports, including testing protocols if needed • Client-Focused: Personal consultation, transparent process, and fair pricing Roli GmbH – We make flat roofs understandable. A hidden leak? We’ll find it – before it becomes expensive.

We offer sheltered workplaces in various workshops and companies in the canton of Aargau and surrounding cantons. The workplaces are organized with different programs of various allocators, for example with the IV or the RAV. The professional and social skills of the participants are promoted personally and professionally. In this way, we accompany our participants back into the job market and arrange external jobs for them, in cooperation with partners from public administration and the private sector. TRINAMO AG also offers an exciting platform of educational and consulting services.

Being an international player in paints and polymers with high added value, the Mäder group offers its customers global and innovative solutions in demanding markets such as Aeronautics, Railways, Automotive and Building. Anxious to be able to meet the needs of these markets, Mäder puts innovation at the heart of its strategy and thus devotes 10% of its turnover to R&D. Its research, in partnership with universities, is particularly focused on bio-sourced raw materials, green chemistry and reducing the impact of its activity on the environment. Backed by the expertise of its 850 employees, Mäder is now present in Europe as well as in China and India in order to support its customers in their international development. The group specializes in the following processing sectors: Paints, coatings and varnishes • Coil coating technology • UV and EB technology • Railway • ACE • General Industry (machines, devices, special surfaces and applications) • Wind energy • Aerospace • Telecommunications • Plastics Gelcoats and Resins We develop and produce unsaturated polyester resins, gel and top coats, adhesive resins, filled fire protection resins and special resins including the necessary surface finishing products and technologies. Paint raw materials This business line produces standard resins and additives based on polycondensation chemistry. The product range includes modified and unmodified alkyd and polyester resins for various applications in the paint and coatings industry. Toll manufacturing We develop and produce tailor-made products on behalf of our customers: • radiation curing resins • paint raw materials • prepolymers

Your glasses - a one-of-a-kind piece - tailored to your preferences. Frank Optik. See Better - Look Good. Our services: • Glasses in all variations • Contact lens fittings • Contact lens refills • Contact lens solutions • Precise eye examinations • MFK vision tests • Sunglasses • Eye pressure measurement • Optical instruments • Distance and near vision • Expert and friendly advice on vision • Near public transportation, Bus No. 36, Tram No. 8

2S Gartenbau GmbH – Your Partner for Sophisticated Garden Concepts A beautifully designed garden is more than just a visual delight. It’s a place of retreat, a space for connection, and a reflection of personal style or architectural vision. Whether you're an architect planning a project or a private client looking to realize your dream garden – at 2S Gartenbau GmbH , you're in the best hands. For over 20 years, we have specialized in high-quality garden construction, creative redesigns, and sustainable maintenance solutions. From compact green oases to large-scale outdoor spaces – together we create tailored concepts that blend seamlessly into the overall design of your home or project. Our young, dedicated team brings expert knowledge and genuine passion to every project. We value clear communication, precise execution, and on-time delivery – from the first sketch to the final plant. And even after completion, we remain at your side: with professional garden maintenance that preserves the value and beauty of your green investment for years to come. Let’s create inspiring outdoor spaces together – functional, aesthetic, and uniquely yours. We look forward to your inquiry and to bringing your garden vision to life.