Precision Manufacturing for Zero-Failure Environments.

We engineer certainty. From subsea to the factory floor, we deliver ISO-certified welding, multi-axis machining, and electro-mechanical assembly for the world\

Key Facts

Our Services

Sheet metal, heavy fabrication & welding

Eliminate structural weak points with certified precision. Operating across an 18,000 m² workshop area, we deliver heavy fabricated products up to 35×7×7 m (L×W×H) and 160 tons. Quality is verified through full material traceability and NDT (VT, PT, MT, UT) by certified partners. Backed by EN 3834-2 and EN 1090-2 certifications, our welders utilise processes including 135/136, TIG, and SAW (up to 100 mm).

Precision CNC machining & turning

Tolerances down to ±0.02 mm, built to perform flawlessly under extreme stress. Our extensive machine park handles heavy components, long shafts, and complex geometries — turning and milling parts up to Ø 2,800 mm, 13,000 mm in length, and 4,500 mm in height. Powered by heavy-duty FERMAT boring mills (X: 13,500 mm, Y: 4,000 mm), vertical turning lathes (up to Ø 2,700 mm), and horizontal lathes (up to 3,250 mm).

Complex assemblies & mechanical integration

Plug-and-play delivery. We hand over working systems, not just a box of parts. We deliver complex assemblies and fully FAT-tested modules for demanding industrial applications. From precision bearing installations to fully commissioned units, we assemble, verify, and deliver with comprehensive documentation.

Industries We Serve

Oil & gas / process equipment

Built to safely contain and control extreme industrial forces. We manufacture certified pressure vessels, tanks, piping modules, and skids, ensuring strict compliance with PED and international safety standards.

Rotating equipment & energy

Custom-manufactured components for the energy and power generation sectors, including dynamically balanced impellers, casings, rotors, and shaft systems, alongside critical fan and blower components.

Marine, offshore & subsea

We machine and fabricate parts built to withstand extreme pressures and corrosive marine conditions. From azipod components to structural elements for offshore platforms.

Defence

Precision manufacturing of highly regulated, mission-critical components for the defence sector. Full traceability, strict quality control, and compliance with defence industry specifications.

Mining & machine building

Heavy-duty machine building assemblies engineered for extreme conditions, using wear-resistant materials precision-machined to withstand high-impact, abrasive environments in the mining sector.

Pulp & paper machinery

Precision spare parts and critical processing components for continuous production environments. Our priority is minimising your downtime through rapid, reliable manufacturing.

Why First In Service

Battle-tested expertise

We are a specialised contract manufacturer and heavy engineering subcontractor delivering precision-welded, machined, and assembled products for demanding industrial applications.

Proactive DFM engineering

We don't just blindly follow blueprints. Our production engineers conduct rigorous Design for Manufacturability (DFM) reviews to identify potential failures, optimise welding sequences, and reduce your overall manufacturing costs.

Certified quality systems

Our operations strictly adhere to ISO 9001, ISO 14001, EN 3834-2, and EN 1090-2 standards, alongside PED documentation compliance.

Absolute material integrity

We guarantee full material traceability from prototype to series production. Final weld integrity is ensured via comprehensive NDT (VT, PT, MT, UT) conducted through our trusted, certified partners.

Uncompromising scale

With 18,000 m² of space and lifting capacity up to 160 tons, we easily scale resources to fit your project's timeline and massive dimensional requirements.

Seamless heavy logistics

Strategically located in Tallinn just 20 km from Muuga Harbour and 60 km from Paldiski Port. We offer direct, heavy-haul road access without urban bottlenecks, ensuring seamless roll-on/roll-off shipping for oversized 160-ton components across Europe and the Nordics.

Environmental responsibility

Active waste, chemical safety, and emissions management built into our ISO 14001 certified operations.

Certifications

First In Service 18,000 m² heavy fabrication and CNC machining workshop in Tallinn
ISO 9001 · EN 3834-2 · PED

Quality inspection and precision machining at First In Service

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🇪🇺 EIS — NextGenerationEU