Custom machine manufacture
Fabrication and assembly of custom machines and production or lifting equipment.
- Customer drawings or in-house engineering
- SAT/FAT and CE documentation for new equipment
Custom machinery, steel fabrication, hydraulics and industrial service
Private to you. Nothing is shared with Sterke A/S automatically.
Fabrication and assembly of custom machines and production or lifting equipment.
One-off and series steel structures with material and weld traceability and third-party NDT.
CNC turning and milling to customer drawings and CAD files.
Design, manufacture and refurbishment of cylinders, pistons and custom hydraulic components.
Price on request
CNC turning and milling to customer drawings and CAD files.
Price on request
Fabrication and assembly of custom machines and production or lifting equipment.
Price on request
Design, manufacture and refurbishment of cylinders, pistons and custom hydraulic components.
Price on request
Mechanical design, FEM analysis and production drawings for machines, structures and lifting equipment.
Price on request
Workshop and on-site repair of mechanical equipment, with round-the-clock assistance.
Price on request
Preventive maintenance and technical-inspection agreements for cranes and mechanical equipment.
Price on request
One-off and series steel structures with material and weld traceability and third-party NDT.
Eimskip
Repaired a leaking hydraulic station for Eimskip on a call-out before the vessel returned to sea.
Installed custom wind-industry production equipment transported from Denmark to France, with technicians, a project manager and Danish and local partners.
Rold Savværk
A production-manager testimonial describes a longstanding supplier relationship and hydraulic-cylinder service for the sawmill in Arden.
ISO 9001:2015
DNV 165296-2014-AQ-DEN-DANAK names Sterke A/S, Langerak 8, Aalborg. Fabrication and welding of steel components for offshore, energy and industrial production, including machining, maintenance and repair of customer property. Stated validity 29 October 2023 to 28 October 2026.
ISO 14001:2015
DNV C547401 names Sterke A/S at Langerak 8, Aalborg. Scope: fabrication and welding of steel components for offshore, energy and industrial production including machining, maintenance and repair of customer property. Stated validity 18 November 2025 to 17 November 2028.
EN 1090-1:2009/A1:2011
DNV 2388-CPR-24-36633 Rev.0.0, issued 5 January 2024, names Sterke at Langerak 8. Structural steel components, execution class 3; appendix: design excluded, declaration method 3a. Material subgroups 1.1, 1.2, 1.3, 1.4, 2.1, 8.1, 8.2, 10.1, 10.2; welding processes 111, 121, 131, 135, 136, 138, 141, 142, 783. Conditional continuing validity, unless suspended/withdrawn or relevant conditions change.
ISO 3834-2:2021 - historical certificate; expired May 2026
DNV C636634 Rev.2.0 names Sterke A/S, Langerak 8. Fabrication and welding of steel components for offshore, energy and industrial production, including machining, maintenance and repair. Issued 24 September 2025; stated validity 4 May 2021 to 4 May 2026. Appendix covers steel structures/parts to customer specifications and listed parent-material groups and welding processes. Renewal not established.
ISO 45001:2018
Occupational health and safety management certification for fabrication and welding of steel components for offshore, energy and industrial production, including machining, maintenance and repair of customer property at Langerak 8, Aalborg. DNV C547402, issued 9 October 2025, valid 18 November 2025 to 17 November 2028.
DNV manufacturer approval - welded boilers and pressure vessels
AMT00000H7 revision 1 names Sterke A/S in Aalborg Oest for Class I/II welded boilers and pressure vessels under DNV-CP-0261/0352. Issued 25 April 2024, with stated validity to 29 November 2026. Heat treatment and pressed-part manufacture require approved external facilities when needed.
Sterke A/S designs and manufactures steel structures, machinery, lifting equipment and hydraulic components in Aalborg, Denmark. Its work serves industrial production, offshore and wind, and marine applications. Buyers can commission design and FEM calculations, fabrication, CNC machining, installation, repairs and planned maintenance. The business brings together Aalborg Maskinfabrik, Maskinfabrikken Fuglsang and Nordjysk Staal under the Sterke name. Its processes include material and weld traceability, equipment documentation and factory/site acceptance testing. Project requirements determine the manufacturing and service scope. The Sterke name dates to the 2023 merger, following group formation in 2022; the Aalborg Maskinfabrik and Maskinfabrikken Fuglsang predecessors were founded in 1982.
Custom machine design and manufacture
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Updated Sep 13, 2026
