Your Top Sealing partner

You need a seal?
we got it!
At Top-Osa, we custom-design and custom-make seals to meet your unique needs. Or you can find a suitable seal from our vast, ready-to-go standard seal storage of over 8 000 pieces. We offer fast delivery to all our clients in Nordic countries.

Top Sealing Partner Services

Our clients work in the demanding field of different industry. We help them to fix old leaking or broken parts with new dense and compact seals or manufacture completely new ones based on their unique ideas.

At Top-Osa, we custom-design and custom-make
seals to meet your unique needs

Tutustu valikoimaamme alta
Mikäli varastostamme ei jotain löydy, niin me valmistamme sen!

Custom-made seals for every need

We design and manufacture hydraulic and pneumatic seals according to your models and measurements. You can choose the material of your seal from over a dozen different options and diameter sizes varying from few millimeters up to four meters.

Seals are manufactured fast, but with precision by our state-of-the-art CNC-machines in our modern production lines.


Seal prototypes for new projects

Waiting for the right prototype is often the cause of a delay in a project. With us, you can save valuable resources – money as well as time. You can choose seals from over 90 standard profiles of inch or millimeter sizes.

If you want to try out new ideas, we can manufacture the seal according to your requirements.


Whatever you need, we can manufacture and deliver it.
With us, you can easily order and test a seal.


Every seal is manufactured using quality materials which come from SKF plants in Europe. Seals are manufactured in our factory in Finland with care and precision.


Leave us a message and tell us your need, we contact you in the next 24 hours.


We have over 8 000 standard seals in our storage and ready to be delivered to you.


We have manufactured seals for over 20 years and worked in the field over 30 years. Our experienced team of 10 professionals is ready to serve you.


Our seals are already delivered to multiple clients in Nordic countries. We are commended by our clients for a very fast delivery. In the best case, we deliver the seal to you in the same day you ordered it.

Quality, certified

For us, quality is more than just a word, it is part of our everyday work. In order to be able to ensure the level and development of our operations, we have wanted to guide our operations in accordance with the standards.

With the certification of our quality management system, our customers can be sure that our operations meet the requirements of the internationally widely used ISO9001:2015 standard.

Since development is continuous, we have started working towards another well-known international standard. The goal is better sealing solutions and a better future for all of us.

Certificate document »

Tutustu valikoimaamme alta
Mikäli varastostamme ei jotain löydy, niin me valmistamme sen!

Rubber and plastic parts for industrial needs

With the help of our modern production machinery and state-of-the-art CNC machines, sealants and other rubber and plastic parts are manufactured accurately and quickly for all industrial needs. Contact us and ask more about our other technical parts.

Ask for more - we are here to help!

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