The Koncentra companies
Energy Solutions
Strategic power infrastructure and core engine technologies for global marine and energy markets, supporting the transition to future-fuel systems.
- Offerings: Large-bore pistons, industrial silencers, acoustic engineering, hardened shelter solutions, and customized power generation units.
- Systems & services: Complete reserve power plants, control systems, lifecycle maintenance, and technical engineering support.
A technology company providing system solutions for power supply, specializing in standby or backup power and mobile power generation. Aiab delivers to military operations worldwide and are a partner to civil customers in critical infrastructure projects.
An innovative and agile manufacturer of large bore pistons for leading manufacturers of medium speed engines in marine and energy sector for gas, diesel and renewable fuels. Piston range for bore sizes 200-500mm. Koncentra Pistons was established in 1997 and acquired by Koncentra in 2016.
A dynamic, medium-sized group with development and production of advanced silencers, advanced CNC machining and manufacturing of shelter doors and ventilation systems. Koncentra acquired the company in 2013.
Kolbenschmidt Large Bore is the world’s largest manufacturer of large bore pistons. Primarily serving ships, powerplants, locomotives and construction machine engines between 600 kW to 25000 kW, with bore sizes between 13cm up to 64cm. Approved for use by all OEM manufacturers of medium speed engines. Koncentra acquired the company in 2023.
Heavy Mechanics
Advanced fabrication and precision engineering of high-tolerance components for the global mining, marine, and process industries.
- Offerings: Complex welded structures, large-scale machine frames, and specialized industrial components.
- Systems & Services: Technical subcontracting, engineering-led assembly, and modular manufacturing.
An advanced manufacturing company of complex, mid-sized machined and welded structures, including machine frames, masts, booms and parts of exhaust systems for large semi-fuel engines.
A leading company manufacturing large and heavy structures using processes such as CNC-machine robot-welding and assembly. Malmstens Verkstad has extensive experience in partnering with large industrial organizations in manufacturing both semi-finished and finished steel components for industrial use.
Sheet Metal
- Offerings: Precision laser and flame cutting, automated bending, and certified test weights.
- Systems & services: 24/7 serial production, integrated welding, and full value-chain management.
The European leader in industrial laser cutting, specializing in serial production of primary sheet metal parts for off-highway OEMs. A European footprint allows multisite customers to supply different plants from a single source.
