STT Emtec

Systems, components and testing for marine emission control

STT Emtec

Systems, components and testing for marine emission control

This is STT Emtec

STT Emtec operates in the marine sector, where it develops and manufactures exhaust aftertreatment systems and key components, and provides engine testing services to its customers. The company is headquartered in Sundsvall and serves global customers. Tången acquired STT Emtec in 2024 and owns 97%.

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Main product areas:

Industrial setup with multiple red-topped pipes.
Minimalist icon of a document with a camera.

Exhaust aftertreatment

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Performance optimization

Minimalist bar chart with a leaf.

Energy use

Minimalist icon of an eye.

Engine testing

Minimalist “CO₂” icon.

Emissions reduction

Main Customers

  • Engine manufacturers
  • Shipyards
  • Distributors within the marine sector

Head office

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