Our companies

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  Arnon provides industrial electrification and automation services specifically for suppliers of machinery, equipment, and systems operating in the marine, mining, renewable energy, and industrial applications segments. Arnon's 300 specialists work in six different locations across three countries: Finland, Sweden, and Poland.

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  Sähkölandia is a company specializing in the design and construction of electrical substations, carrying out demanding electrical substation contracting projects. The company's services cover electrical substation design, renovations, and construction of new substations. Sähkölandia implements electrical substation contracts as a main contractor on a turnkey basis from design to installation and commissioning. The company operates throughout Finland, serving major utility companies, industrial operators, and power plants across the country.

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  BTB Transformers buys, sells, and delivers transformers, reactors, and other electrical components worldwide through its extensive international partner network. Additionally, the company provides maintenance and consulting services related to its products.

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  TKF Power Quality is a reactive power compensation expert that provides comprehensive power quality services for industry, construction, property maintenance, and electrical contracting operators, equipment manufacturers, and utility companies. Founded in the 1970s, the company operates in Finland and Sweden as part of Arnon Group.

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  WestimQpower Oy is an electrification product solutions expert. The company's customer segments include industry, energy companies, data centers, grid construction, renewable energy, energy storage, OEM manufacturers, hospitals, and electric utilities.

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  Operon provides municipalities and industry with water and wastewater treatment plant operation and maintenance services, sludge processing and recycling, as well as delivery of water treatment plant technology and processes. Services cover the entire lifecycle of water and wastewater treatment plants, including treatment plant side streams. Additionally, the company delivers equipment and technologies for wastewater treatment plants globally.

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  Solid Water is a high-quality Finnish cleantech manufacturer of water and wastewater treatment equipment and a water utility sector contractor. The company sells and manufactures products for wastewater and clean water treatment, offering customers equipment deliveries, process solutions, maintenance services, and spare parts. Solid Water also provides custom-designed solutions for improving and modernizing existing facilities. Solid Water's customers are industrial and municipal operators.

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  Vestelli produces wastewater solutions for rural areas and industrial small-scale treatment plant solutions. Vestelli is known for its specialized expertise in the wastewater sector, development of several advanced treatment methods, and quality products. Customers for wastewater solutions and related consulting and design include consumers, businesses, associations, municipalities, and the state.

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  Avalon Nordic is an environmental technology company operating in the Nordic countries, providing customers with comprehensive solutions in the field of wastewater and water treatment. The company is known for its customer-oriented approach, technological expertise, and innovative solutions that support sustainable development.

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  Smartel Electronics manufactures liquid level alarm devices and related remote monitoring equipment. Smartel's expertise focuses on measuring sewer water levels and other water levels, low-power wireless alarm transmission, and related IoT services. Smartel's customers are companies, municipalities, and the state operating in the Nordic countries. Smartel operates as part of Vestelli Group.

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  CWP specializes in through-dyeing birch veneer using environmentally friendly methods. The company's through-dyed veneers can be used as structural veneers or accent colors for various products. CWP's technical birch veneer is suitable for furniture, interior walls and ceilings. CWP's laminated blanks are used to make gun stocks and can also be used in sporting equipment and small items.

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  FENTEC grows customer businesses with its real-time inventory tracking FENTEC Vending Solution™ trading solution, which enables unmanned sales, rental, and lending services through self-service points placed at customer sites. The data-driven solution streamlines and automates operations while reducing waste and required resources at various stages of the supply chain. FENTEC's innovative technology solutions serve many different business sectors, such as technical wholesale, industry, logistics, healthcare, and defense industry.

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  Pur-ait is Finland's leading provider of high-quality fence and gate solutions, especially for industrial, sports, infrastructure, and residential property needs. Pur-ait Oy is known for its customized solutions that combine functionality and durability. The company's production is located in Finland.

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  HTT High Tech Technology is a professional and experienced industrial service company that develops and provides services to domestic and international customers in the energy, machinery and industrial, and marine sectors. The company's specialized expertise includes: pressure vessel welding and installation work, machinery and equipment installations, maintenance and repair work, power plant services/annual maintenance, and installation supervision.

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  Telatek Service is a leading Finnish specialized maintenance service provider. Core services include mechanical maintenance, installation, quality assurance, and machine shop services. Services are produced throughout Finland and abroad. Telatek specializes in the refurbishment of large parts and working in demanding conditions. The company's business idea is to extend the lifecycle of customers' machinery and equipment.

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  Alu-Releco Oy is a surface treatment company founded in 1992. The company specializes in Teflon® and other fluoropolymer coatings, with decades of experience and expertise accumulated over the years.

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  Suomen Vuokrakontti is Finland's leading provider of modified container solutions with over 40 years of experience. The company's offering covers container solutions from simple single-unit storage containers to complex multi-unit systems. SVK has solutions for storage, cold storage, modular spaces, and various needs of the defense forces.

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  Suomen Voiteluainekauppa is a Finnish lubricant expert. The company provides quality lubricants and related technical solutions for industry, maintenance, and infrastructure construction.

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  Ekonomivalmennus organizes the most successful training courses in the industry for business school applicants. Ekonomivalmennus has been the overwhelming market leader in its field for several years, measured by the number of course participants and especially those accepted. The company also offers training courses for various professional higher education fields and for psychology and speech therapy entrance exams.

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  Varustelu Look is Finland’s leading provider of customized equipment solutions for special vehicles, with 36 years of experience. Look’s solutions are used in, among other things, storage, cold storage, modular spaces, and in various needs of the Defence Forces.

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  Rammy Oy, founded in 2013, manufactures front-mounted attachments for ATVs in Toivala, Siilinjärvi. The company specializes in user-friendly, durable, and efficient attachments used in agriculture, forestry, property maintenance, and recreational applications. Rammy’s 2025 revenue was approximately EUR 4.1 million, and it employs nine people.

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  Heatmasters Oy, founded in 1974, is a leading international expert in industrial heat-treatment solutions. The company provides metal heat-treatment services and equipment, and their lifecycle services for industrial needs. Heatmasters’ customers include companies in the process, energy, chemical, and heavy equipment industries, along with the defense sector, oil refineries, paper and pulp mills, offshore operators, machine shops, and foundries. The company employs approximately 40 people and operates in Finland, Estonia, and Poland.

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