A technology park built on expertise.
Explore Halli’s aviation, composites, sensing technology, energy and practical operating environments.
Together, these businesses form a diverse setting for future mobility development.
Patria
Patria’s Halli site brings together aircraft maintenance, airframe and structural expertise, and assembly. Halli production also contributes to the F-35 programme.
Read company profile ↗
CSI Composites
CSI Composite Solutions and Innovations Oy develops, designs and manufactures composite solutions. Based in Halli, the company’s services span product development, design, analysis and serial production.
Read company profile ↗NordX Flight Test Oy
NordX Flight Test Oy is a flight school and aviation company based in Halli. Its stated activities include research and training in aviation and related systems.
Read company profile ↗
Sensofusion
Sensofusion develops drone detection and counter-drone technologies. Its aerospace operations connect research, development and manufacturing, with Swift aircraft produced at Halli Airfield.
Read company profile ↗Narli Aviation Oy
Narli Aviation Oy focuses on developing new drone technology and solutions for civil aviation. Based in Halli, the company forms part of the area’s aviation and technology expertise cluster.
Read company profile ↗Air Block Oy
Air Block Oy has been added to the technology park company presentation based on information supplied by the site owner. The company description will be completed with company-confirmed information.
Read company profile ↗
Finavia
Finavia operates Halli Airport. The airport serves general and military aviation and has no scheduled passenger air services. Its airport codes are EFHA and KEV.
Read company profile ↗Expertise and everyday services nearby.
Design services, premises, accommodation and dining support local businesses and visiting testing and research teams.
Accommodation, events and dining
Villa Klubiranta
Villa Klubiranta is a boutique hotel and event café on Lake Eväjärvi in Halli. It offers individually decorated guest rooms and spaces for smaller meetings, celebrations and private events.
Read profile ↗Ravintola Hallin Janne
Ravintola Hallin Janne is located on Lake Eväjärvi in Halli. The restaurant offers dining and catering and arranges celebrations and other events at its premises or at a location chosen by the customer.
Read profile ↗
Linda’s Retro Cafe
Linda’s Retro Cafe is a welcoming café and lunch venue in central Halli. Home-style lunch can be enjoyed on site or taken away for the day’s activities.
Read profile ↗Ateria & pitopalvelu Juhan Juhlat
Juhan Juhlat provides pre-ordered meals, catering and food delivery in the Jämsä and Himos area. Meal packages can also support teams working in the field or at testing locations, with delivery arranged separately.
Read profile ↗Manufacturing, energy, data and services
Xtend Blowers
Xtend Blowers develops composite and carbon-fibre impellers for industrial blowers, connecting Halli’s lightweight materials expertise with energy-efficient air movement.
Read company profile ↗
Rempsun Metalli Oy
A Halli-based subcontracting workshop producing tools, auxiliary equipment and fixtures for aviation. Expertise includes aluminium structures, welding, light machining and aircraft spare parts.
Read company profile ↗
E-Heat Oy
E-Heat builds and operates data centres that recover server waste heat for heating. A new AI data centre in Halli is under planning and permit preparation.
Read company profile ↗
Winda Energy Oy
Winda Energy develops data centres, renewable energy and battery storage. Its planned data centre and solar project in Jämsä’s Könkkölä adds to regional technology development. The project is in Könkkölä, outside Halli Technology Park.
Read company profile ↗
ElmoNet Oy
ElmoNet is a Finnish customer-owned fibre operator and network builder serving an area that includes Jämsä. Site-specific availability and connectivity solutions are confirmed directly with the provider.
Read company profile ↗
Ahwatti Oy
Halli-based Ahwatti provides savings and feasibility analyses for solar panels and smart batteries, combining consumption profiles, weather data and electricity prices to compare energy solutions.
Read company profile ↗
Jämsän Aluelämpö Oy
Jämsän Aluelämpö supplies district heating in the Jämsä area, including Halli. Energy infrastructure and heat utilisation form part of the foundation for local business activity.
Read company profile ↗Edove Oy
Halli-based Edove provides marketing and communications services. Content and business visibility complement the technology park’s industrial and engineering expertise.
Read company profile ↗
Kuoreveden Sähkö Oy
Kuoreveden Sähkö is a local electricity company based in Halli. Its services include electricity connections and electricity sales. Its history dates to 1939 and is linked to the aviation community built by the Karhumäki brothers. Services also include property administration.
Read company profile ↗
Ollin Sora Oy
Halli-based Ollin Sora Oy provides earthworks, aggregates, transport, maintenance and demolition services, as well as business premises. Site-specific requirements, available premises and practical arrangements are agreed directly with the company.
Read company profile ↗Logos are from the companies’ own websites and are used in this example layout; permissions will be confirmed separately. Other companies are shown by name.
Design services
MLe-Suunnittelu Oy
MLe-Suunnittelu Oy provides technical design, 3D modelling and 3D printing in Halli. Its expertise complements the local product development and implementation services.
Read profile ↗Kavala Global Oy / Kavala Engineering
Kavala Engineering is the engineering office of Kavala Global Oy in Halli. It offers tailored 3D mechanical design and updates to existing 2D drawings, taking manufacturability and the customer’s production capabilities into account.
Read profile ↗Premises and local services
Konetyö Kallio Oy
Konetyö Kallio Oy is an earthworks company based in Halli. Premises rental and the former warrant officers’ club facilities also form part of its offering, providing an option for local businesses and visiting teams.
Read profile ↗Pertti Kirkinen Ky
Pertti Kirkinen Ky operates in Pihlaisto in the Jämsä area. Its services include wood chipping, truck transport and holiday cabin rental.
Read profile ↗Jämsän Yrityskiinteistöt Oy
Owned by the City of Jämsä, Jämsän Yrityskiinteistöt Oy provides premises for permanent and temporary business needs. Its portfolio includes office and production space. The company helps businesses find suitable premises and develop property solutions. Availability and site-specific suitability are confirmed directly with the company.
Explore premises services ↗Tmi Pekka Liukko
Tmi Pekka Liukko provides electrical work and installations as well as air-source heat pump services in Halli. Scope, schedule and suitability for each site are agreed directly with the provider.
Tel. 040 088 5155
Service information: halliin.fi ↗Properties and local facilities
Marieblats Oy
Marieblats Oy owns properties in Halli. Contact the company directly to discuss premises, availability and suitability for your business.
Halli shooting range
Jämsän Ampumaratayhdistys ry is developing the former Defence Forces range at Hallinkankaantie 490 into a shooting sports and training facility. The project includes 300 m and 150 m rifle ranges and a practical shooting range. An environmental permit was granted on 18 September 2025. Current construction progress, opening and access arrangements must be confirmed with the association.
Project description and environmental permit (PDF) ↗The range is a separate activity; this introduction does not establish any right to use it for UAS or C-UAS tests.