About ST-koneistus video
About ST-koneistus video
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50 years of work with hydraulics!

ST-Koneistus Oy is Finland’s largest manufacturer of hydraulic manifolds and components specializing in demanding special series. For 50 years, our mission has been to help hydraulic companies and the mechanical engineering industry manufacture high-quality end products.

Over the decades, our hydraulic products have been delivered to dozens of different countries around the world. 

ST-Koneistus Oy in brief:

  • Established in 1970
  • Personnel 60
  • Expertise: design and manufacture of individual hydraulic components and related assembly tasks
  • Key products: special cylinders and manifolds, subplates, valves
  • Production volume: +250 000 components (2019)
  • ISO 9001:2015 and ISO 14001:2015 certified company.

ST-Koneistus is located in Ylöjärvi along with good transport links. Come visit us!

Quality and environmental policy
ISO 9001:2015
Quality management

Valid November 30th 2025.

ISO 14001:2015
Environmental management

Valid November 30th 2025.

Our quality and environmental policy.

We make quality
that matters.

Be it any machine or device, hydraulics allow no errors. Therefore, the design and machining programming of ST-Koneistus products are the responsibility of experienced people who have received professional training.


ST-Koneistus Oy
Hopeatie 3
33470 Ylöjärvi

Puh. +358 10 229 3100
Fax +358 10 229 3110