# Manufacturers headquartered in Helsinki

Tamtam tracks 42 manufacturers headquartered in Helsinki. This list ranks the 30 largest by number of employees on LinkedIn, led by Wärtsilä, UPM and Stora Enso. Their median headcount is 1,124. Half of them were founded in 1944 or later.

These Helsinki-based manufacturers represent a mix of large, established corporations and mid-sized firms, primarily focused on industrial machinery, raw materials, and specialized products. Companies like Wärtsilä, UPM, and Stora Enso, all headquartered in Helsinki, are global players in sustainable technology, renewable materials, and fiber-based solutions. Outokumpu specializes in sustainable stainless steel production, while Metso Outotec provides technologies for aggregates, minerals processing, and metals refining.

A notable pattern among these companies is their strong emphasis on sustainability and decarbonization across various industries. Many, including Wärtsilä (founded 1834), UPM, and Outokumpu (founded 1932), have long histories, indicating a mature industrial base. The presence of multiple Wärtsilä entities (Wärtsilä, Wärtsilä Marine, Wärtsilä Energy) also highlights a strategy of specialized divisions within a larger group.

🇫🇮 Helsinki · 30 companies · Updated Nov 11, 2026

| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [Wärtsilä](https://www.tamtam.ai/c/wartsila) (wartsila.com)<br>This company empowers sustainable societies by providing innovative technology and services for improved environmental and economic performance globally | Industrial Machinery Manufacturing | 🇫🇮 Helsinki | 18,000 | 1834 |
| 2 | [UPM](https://www.tamtam.ai/c/upm) (upm.com)<br>Global provider of renewable fibres, advanced materials, decarbonization solutions, and communication papers with strong sustainability focus. | Manufacturing | 🇫🇮 Helsinki | 18,000 |  |
| 3 | [Stora Enso](https://www.tamtam.ai/c/stora-enso) (storaenso.com)<br>A global provider of renewable products in packaging, biomaterials, construction, and paper, promoting sustainability with low-carbon, fiber-based solutions for eco-friendly businesses | Paper and Forest Product Manufacturing | 🇫🇮 Helsinki | 6,276 | 1998 |
| 4 | [Outokumpu](https://www.tamtam.ai/c/outokumpu) (outokumpu.com)<br>Global leader in sustainable stainless steel production, turning recycled steel into long-lasting material used in various applications while actively working towards reducing carbon footprint | Primary Metal Manufacturing | 🇫🇮 Helsinki | 3,724 | 1932 |
| 5 | [Metso Outotec](https://www.tamtam.ai/c/metso-outotec) (metso.com)<br>Provides sustainable technologies, solutions, and services for aggregates, minerals processing, and metals refining industries, improving efficiency and reducing environmental risks globally. | Machinery Manufacturing | 🇫🇮 Helsinki | 3,577 |  |
| 6 | [PKC Group](https://www.tamtam.ai/c/pkc-group) (pkcgroup.com)<br>A multinational enterprise within the automotive industry, offering diverse products and services with a global presence and a focus on diversity and inclusion | Motor Vehicle Manufacturing | 🇫🇮 Helsinki | 3,268 |  |
| 7 | [Amer Sports](https://www.tamtam.ai/c/amer-sports) (amersports.com)<br>Global group of iconic sports and outdoor brands inspiring people to explore and experience the joy of sports, aiming to elevate lives worldwide | Retail | 🇫🇮 Helsinki | 2,715 | 1950 |
| 8 | [Uponor](https://www.tamtam.ai/c/uponor) (uponor.com)<br>A global provider of water movement solutions for residential, commercial, and municipal customers, offering safe drinking water, energy-efficient heating and cooling systems, and reliable infrastructure solutions | Wholesale Building Materials | 🇫🇮 Helsinki | 1,907 |  |
| 9 | [Cargotec](https://www.tamtam.ai/c/cargotec) (hiabgroup.com)<br>Company rebranded from Cargotec to Hiab, now operating independently and publicly traded on Nasdaq Helsinki stock exchange. | Industrial Machinery Manufacturing | 🇫🇮 Helsinki | 1,772 |  |
| 10 | [Patria](https://www.tamtam.ai/c/patria) (patriagroup.com)<br>Provides aerospace and military equipment, armored vehicles, mortar systems, and pilot training while offering lifecycle support, maintenance, and intelligence surveillance for critical operations. | Defense and Space Manufacturing | 🇫🇮 Helsinki | 1,641 | 1921 |
| 11 | [Hiab](https://www.tamtam.ai/c/hiab) (hiabgroup.com)<br>Leading provider of smart, safe, and sustainable load handling solutions including loader cranes, forklifts, forestry cranes, skiploaders, roll-off cable hoists, and tail lifts | Industrial Machinery Manufacturing | 🇫🇮 Helsinki | 1,590 | 1944 |
| 12 | [Valio](https://www.tamtam.ai/c/valio) (valio.com)<br>A global company focused on providing top-quality dairy products, owned by Finnish family farmers, with a commitment to sustainability and innovation | Dairy Product Manufacturing | 🇫🇮 Helsinki | 1,576 | 1905 |
| 13 | [VR](https://www.tamtam.ai/c/vr) (vrgroup.fi)<br>A Finnish state-owned company with 160 years of experience in passenger, logistics, and maintenance services, promoting responsible and sustainable transport for a carbon-neutral tomorrow | Ground Passenger Transportation | 🇫🇮 Helsinki | 1,381 |  |
| 14 | [Wärtsilä Marine](https://www.tamtam.ai/c/wartsila-marine) (wartsila.com)<br>A global leader providing engines, propulsion systems, hybrid technology, and powertrain solutions for decarbonizing the maritime industry with performance-based agreements and expertise | Maritime | 🇫🇮 Helsinki | 1,297 | 1834 |
| 15 | [Wärtsilä Energy](https://www.tamtam.ai/c/wartsila-energy) (wartsila.com)<br>The company specializes in helping customers transition to renewable energy by optimizing energy systems, providing flexible power plants, storage solutions, and lifecycle services | Mechanical Or Industrial Engineering | 🇫🇮 Helsinki | 1,124 | 1834 |
| 16 | [Ruukki](https://www.tamtam.ai/c/ruukki) (ruukki.com)<br>The company provides building solutions for individuals and companies, supporting their innovative projects and dreams through various online channels | Construction | 🇫🇮 Helsinki | 1,090 |  |
| 17 | [Teknos](https://www.tamtam.ai/c/teknos) (teknos.com)<br>A global coatings company offering a wide range of paints for manufacturing, building, and consumers, with a focus on quality and innovation to protect and prolong | Paint, Coating, and Adhesive Manufacturing | 🇫🇮 Helsinki | 1,002 | 1948 |
| 18 | [UPM Raflatac](https://www.tamtam.ai/c/upm-raflatac) (upmraflatac.com)<br>High-performance self-adhesive products including label materials, graphics solutions, specialty tapes, and customer-focused reliable services worldwide. | Paper and Forest Product Manufacturing | 🇫🇮 Helsinki | 984 | 1975 |
| 19 | [Halton Group](https://www.tamtam.ai/c/halton-group) (halton.com)<br>Development and provision of indoor air quality solutions for commercial, healthcare, kitchen, energy, and marine environments ensuring safety and efficiency. | Industrial Machinery Manufacturing | 🇫🇮 Helsinki | 883 | 1969 |
| 20 | [Purmo Group](https://www.tamtam.ai/c/purmo-group) (purmogroup.com)<br>Manufacturing and distributing radiators, towel warmers, underfloor heating, convectors, valves, and controls for indoor climate comfort worldwide. | Manufacturing | 🇫🇮 Helsinki | 816 |  |
| 21 | [Wipak](https://www.tamtam.ai/c/wipak) (wipak.com)<br>A family-owned company specializing in high barrier films for food and medical products, offering innovative solutions, cutting-edge technology, and exceptional customer service | Packaging and Containers Manufacturing | 🇫🇮 Helsinki | 760 | 1969 |
| 22 | [Ahlstrom-Munksjö](https://www.tamtam.ai/c/ahlstrom-munksjo) (ahlstrom.com)<br>Completed ownership arrangement of Decor business, resulting in a stand-alone company named Munksjö, separate from the original entity. | Paper and Forest Product Manufacturing | 🇫🇮 Helsinki | 658 |  |
| 23 | [St1 Oy](https://www.tamtam.ai/c/st1-oy) (st1.com)<br>An energy group focused on producing and selling CO2-aware energy, researching sustainable solutions, and operating fuel marketing, oil refining, and renewable energy projects | Oil and Gas | 🇫🇮 Helsinki | 625 | 1997 |
| 24 | [PAROC](https://www.tamtam.ai/c/paroc) (paroc.com)<br>Manufactures energy-efficient and fire resilient stone wool insulation products for new buildings, renovations, HVAC, and industrial applications across various international markets. | Wholesale Building Materials | 🇫🇮 Helsinki | 620 | 1937 |
| 25 | [Incap](https://www.tamtam.ai/c/incap) (incapcorp.com)<br>Global electronics manufacturing services provider with prototyping, PCB assembly, box build, cable and wire harness, magnetic assemblies, and after-sales support. | Appliances, Electrical, and Electronics Manufacturing | 🇫🇮 Helsinki | 652 | 1985 |
| 26 | [Berner](https://www.tamtam.ai/c/berner) (berner.fi)<br>A Finnish family firm specializing in manufacturing and importing wellness products, with a focus on product development, sustainability, and expert services for corporate customers | Manufacturing | 🇫🇮 Helsinki | 589 | 1883 |
| 27 | [Anora Group Plc](https://www.tamtam.ai/c/anora-group-plc) (anora.com)<br>A leading wine and spirits brand house in the Nordic region with a global focus on sustainability, exporting to over 30 markets worldwide | Beverage Manufacturing | 🇫🇮 Helsinki | 562 | 1888 |
| 28 | [Planmeca](https://www.tamtam.ai/c/planmeca) (planmeca.com)<br>A global leader in health care technology, specializing in digital dental units, imaging devices, CAD/CAM solutions, and software Headquarters in Helsinki | Medical Equipment Manufacturing | 🇫🇮 Helsinki | 498 | 1971 |
| 29 | [Bluefors](https://www.tamtam.ai/c/bluefors) (bluefors.com)<br>Global leader in manufacturing cryogenic measurement systems for quantum technology, fundamental research, life sciences, and clean energy industries Known for reliability and versatility | Manufacturing | 🇫🇮 Helsinki | 486 | 2008 |
| 30 | [Glaston Corporation](https://www.tamtam.ai/c/glaston-corporation) (glaston.net)<br>Leading glass processing technology supplier for architectural, automotive, solar, and display industries Specializing in innovative solutions for safer and more energy efficient glass | Machinery Manufacturing | 🇫🇮 Helsinki | 478 | 1870 |

## How this list is built

Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.

## More company lists in Helsinki

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- [Multinational companies in Helsinki](https://www.tamtam.ai/l/multinational-companies-helsinki) (206)
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- [Software Development companies in Helsinki](https://www.tamtam.ai/l/software-development-companies-helsinki) (75)
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- [Financial services firms in Helsinki](https://www.tamtam.ai/l/financial-services-firms-helsinki) (54)
- [Public sector organisations in Helsinki](https://www.tamtam.ai/l/public-sector-organisations-helsinki) (49)
- [Professional services firms in Helsinki](https://www.tamtam.ai/l/professional-services-firms-helsinki) (47)
- [Critical infrastructure operators in Helsinki](https://www.tamtam.ai/l/critical-infrastructure-operators-helsinki) (46)
- [Publicly traded companies in Helsinki](https://www.tamtam.ai/l/publicly-traded-companies-helsinki) (45)
- [IT Services and IT Consulting companies in Helsinki](https://www.tamtam.ai/l/it-services-and-it-consulting-companies-helsinki) (44)
- [Financial Services companies in Helsinki](https://www.tamtam.ai/l/financial-services-companies-helsinki) (42)
- [Corporate groups and holding companies in Helsinki](https://www.tamtam.ai/l/holding-companies-helsinki) (39)
- [AI companies in Helsinki](https://www.tamtam.ai/l/ai-companies-helsinki) (36)
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- [Hotel and hospitality groups in Helsinki](https://www.tamtam.ai/l/hospitality-groups-helsinki) (31)
- [Consulting firms in Helsinki](https://www.tamtam.ai/l/consulting-firms-helsinki) (28)
- [Government Administration companies in Helsinki](https://www.tamtam.ai/l/government-administration-companies-helsinki) (28)

## The same list elsewhere in Finland

- [Manufacturers in Finland](https://www.tamtam.ai/l/manufacturers-finland) (176)
- [Manufacturers in Espoo](https://www.tamtam.ai/l/manufacturers-espoo) (33)

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Source: https://www.tamtam.ai/l/manufacturers-helsinki