Combi works

No. 1 manhole cover supplier in Finland and Estonia

Combi works

is the market leader

We are a preferred supplier and distributor of manhole covers, telescopic pipes and related infra components on the Northern European market. We supply products in Finland, Estonia, Sweden, Latvia and Lithuania.

We are local and near you and take pride in helping build sustainable infrastructure. Our communities and people are close to our hearts – lasting and sustainable infra can help secure our communities.

See also our newest product – AluFix safety guardrails

Download presentation Product catalog


We provide clear and safe castings for different environments. Right casting in the right area of use.

Ductile, spheroidal graphite cast iron is a type of graphite-rich iron which has much more impact and fatigue resistance, due to its nodular graphite inclusions

Gray, flake graphite cast iron is a type of cast iron that has a graphitic mictrostructure.



Ease of Machining

Vibration Damping

Surface Hardenability

Modulus of Elasticity

Impact Resistance

Corrosion Resistance

Strength / Weight

Wear Resistance

Cost of Manufacture

Production quality

Product design, manufacturing and testing based on EN124-2 and local market needs and requirements.

Local product control before shipping to customers.

Strength analysis and simulations during the R&D phase.

Feedback from customers and users for improvements

Quality control in foundries according ISO9001 incl. load tests.

All 100% traceable with revision follow up and Claim-NC-CAPA process history

Finished products inspection by our own specialist and/or 3-party before shipping from foundry.

Certification of foundries in accordance with ISO 18001 & 14001

Combi works

Latest blog posts

Combi Works acquires AluFix safety railings

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Introducing MultiV+: A Game-Changer in Drainage Solutions

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Embracing Digital Excellence in Manufacturing: A Combi Works Perspective

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Enico Oy seeks to grow 5-fold – Combi Works builds scalable manufacturing through Supply chain service

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