Hollmén & Co
Oy Hollmén & Co
Ulvila, Satakunta, Finland
About
Founded in 1997, Hollmén & Co is a defense subsystem manufacturer based in Ulvila, Finland working in communications & satcom, radar & sensors.
Hollmén & Co is a Finnish manufacturer founded in 1997 that designs, develops and manufactures customised cooling elements for high power semiconductors and power electronics. Its core technology is laser welding, combined with precision machining, 3D metal printing and in-house finishing such as painting, coatings and assembly. Products include cold plates, heat sinks, pinfin coolers, liquid coolers and battery cooling solutions, serving e-mobility, e-marine, e-train, inverter, on-board charger and renewable energy applications. The company also offers prototyping and pre-series production, with factories in Ulvila (Sampo and Ranta) and Nivala. Its offering extends to turnkey components for the defence industry, including defence electronics RF products, radar and communication mechanics, and telecommunications filter housings. It cites EN 15085 certification for welding of railway applications.
Location
Founded
Legal name
Focus areas
Languages
Products & capabilities
Defense domains
Supply-chain role
What they offer
Markets
Products
CuWick
ViewPower module cooler structure
Patent-pending copper-aluminium hybrid cooler structure for power modules, claimed to offer lower thermal resistance than aluminium solutions.
Cold plates
Liquid cooling plate
Laser welded and machined cold plates for power electronics, battery cooling and e-mobility applications.
Heat sinks
Thermal management component
Laser welded, cold bonded and pinfin heat sinks for power electronics, including heat sinks with heat pipes.
Liquid coolers
Liquid cooler assembly
Assembled and pressure tested liquid coolers for water and liquid cooling systems.
Battery cooling solutions
Battery thermal management
Battery cooling elements for energy storage and electric vehicle battery systems.
Defence electronics RF mechanics
RF and radar mechanics
RF products and mechanical housings for defence electronics, radar and communication equipment.
End users
Standards, platforms & customers
Named customers
Credentials & affiliations
Certifications
EN 15085 Welding of railway applications
