D.E.C. Marine

Technical solutions for a safer world

D.E.C. Marine

Technical solutions for sustainable marine operations

This is D.E.C. Marine

D.E.C. Marine develops and supplies marine exhaust gas treatment systems, exhaust gas treatment components, software, and service and aftermarket services. The company is headquartered in Gothenburg and operates globally. Tången acquired D.E.C. Marine in 2026 and owns 100%.

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Aerial view of a bulk carrier with a green deck, surrounded by fog on the open sea.

Main Customer Offering

Large red tanker seen head-on from a drone, anchored on the open sea at sunset.
Air purifier

Exhaust emission control systems

Memory

Components for exhaust emission control systems

Icon: Code blocks


Software

Icon: Build

Service and aftermarket services

Main Customers

  • Engine manufacturers
  • Shipyards
  • Distributors within the marine sector
  • Shipping companies

Headquarters:

Minimalist map of Sweden marking the location of Gothenburg.

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