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mbc – maritime business & consulting UG(hb) & Co. KG

Pictoriusstrasse 22
49733 Haren (Ems)

Callenberg Technology Group is an international provider of Insulation, HVAC and Electrical Energy Management solutions for the maritime, offshore & energy markets.
Our focus is to provide measures to save energy onboard ships and to provide innovative energy storage solutions.
We engage approximately 1200 employees in 13 countries. CTG is wholly owned by Trident Maritime Systems and is represented in germany by mbc of Haren (Ems).

Main Objectives

  • Electrical Energy Management
  • Insulation
  • HVAC
  • Switchgears
  • Energy Storage Solutions


performing ship management


providing maritime expertise


delivering solutions in the field of vessel energy management

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