MOSTOSTAL CHOJNICE

What MOSTOSTAL CHOJNICE does

Mostostal Chojnice Sp. z o.o. is a Polish heavy steel fabrication manufacturer headquartered in Chojnice, Pomeranian Voivodeship, founded in 1973 and currently owned by Zugil S.A. following a December 2023 acquisition. The company designs and produces large-size welded and bolted steel structures across three product verticals: material handling equipment (container cranes of RTG, STS, RMG, ASC types, plus reclaimers, stackers, shiploaders, shipunloaders, and wagon tipplers for port terminals, power plants, and mines), oil & gas offshore structures (trafostations, drilling platforms, derricks, and offshore wind farm elements built to NORSOK standards), and construction-sector structures (bridges, railway viaducts, stadiums, public buildings, and industrial facilities). A separate services line offers CNC metal cutting (up to 250mm thickness), machining, certified welding across multiple ISO 4063 methods on steel grades up to S960, anti-corrosion blasting and coating to NORSOK M-501 and EN 12944, and a DNV-recognized in-house NDT laboratory.

The business operates on a project-based, custom-engineering revenue model: each contract is quoted individually based on specifications, with multi-year delivery cycles and direct B2B sales to enterprise customers in oil & gas, ports, construction, and power. Go-to-market is direct enterprise field sales supplemented by a bilingual website and the LoginTrade procurement platform for supplier interactions. Revenues are project-lumpy and concentrated in a small number of tier-one enterprise contracts in any given period. The order book is supported by an extensive certifications stack (ISO 9001/14001/45001, DNV-GL, RINA, AQAP 2110, EN 1090-1 EXC3) that qualifies the company for offshore and defense-related bids. Outputs are delivered globally from the North Sea to the Pacific, despite single-site production located at the Chojnice plant, which is equipped with 34 bridge cranes and 2 semi-gantry cranes supporting up to 64-tonne tandem lifts. The company has no public listing, no disclosed financials, and a 50-year history of ownership changes including a 2011 bankruptcy from which it was revived via Zamet Industry S.A. acquisition in 2014.

Name

MOSTOSTAL CHOJNICE

Legal name

Mostostal Chojnice Sp. z o.o.

Website

https://mostostalchojnice.pl

Company type

Private

Founded year

1973

Operating status

Operating

Headcount range

11–50 employees

Short description

Mostostal Chojnice is a Polish heavy steel fabricator (founded 1973, owned by Zugil S.A.) producing large welded cranes, offshore oil & gas structures, and construction steel for global enterprise customers.

Ownership category

akta.pro rank

Product category

Steel Structure Manufacturing

NAICS

Plate Work and Fabricated Structural Product Manufacturing (33231), Plate Work Manufacturing (332313), Construction Machinery Manufacturing (33312)

SIC

Fabricated Structural Metal Products (3440), Construction, Mining & Materials Handling Machinery & Equip (3530)

akta.pro primary industry

Steel Plate, Sections & Welded Assemblies (IMADACAD)

akta.pro secondary industries

Offshore Wind & Renewable Support Vessel Construction (SOV, CTV, WTIV) (IMAJACAG), Steelwork & Fabrication Facilities (Plate/Section Processing, Welding Lines) (IMAJALAH)

Keywords

• Steel structure manufacturing
• Heavy metal fabrication
• Offshore steel structures
• Material handling equipment
• Industrial steel construction

Headquarters

HQ city

Chojnice

HQ country

Poland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Technology or R&D

Revenue model

1. Steel Structure Manufacturing: One-time project-based sales of large-size welded and bolted steel structures for industrial, sports, and public facilities. Custom-designed constructions delivered globally.
2. Manufacturing Services: Metal cutting, machining, welding, anti-corrosion treatment, non-destructive and destructive testing services. Bending steel profiles and sheet metal by press brakes and rollers.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels3 records

Core offering

Mostostal Chojnice manufactures large-size welded and bolted steel structures for industrial, sports, and public facilities, delivered globally to enterprise customers. The portfolio spans three product lines — material handling equipment (container cranes, shiploaders, stackers), oil & gas offshore steel structures (trafostations, drilling platforms, derricks, wind farm structures), and construction sector structures (bridges, stadiums, industrial halls) — backed by in-house manufacturing services for CNC cutting, machining, multi-method welding, anti-corrosion treatment, and NDT testing.

Product overview

Mostostal Chojnice operates as a steel construction manufacturer with a multi-product portfolio. The company produces four main product lines: Material Handling Equipment (container cranes, shiploaders, wagon tipplers), Oil & Gas Steel Structures (trafostations, drilling platforms, wind farm structures), Construction Sector Steel Structures (bridges, stadiums, industrial facilities), and comprehensive Manufacturing Services (metal cutting, machining, welding, anti-corrosion treatment, testing). The products are manufactured at their Chojnice facility with capabilities for large welded and bolted steel constructions delivered globally.

Differentiator

Problem solved

Functional benefit

Products and services

• Material Handling Equipment Large-size material handling equipment for port quays, power plants, and mines, including container cranes (RTG, STS, RMG, ASC), reclaimer stackers, shiploaders, ship unloaders, wagon tipplers, and trolleys. Designed for enterprise operators of port terminals, power generation facilities, and mining sites.
• Oil & Gas Steel Structures Steel structures for offshore industry including trafostations, drilling platforms, derricks, and offshore wind farm structures designed for oil & gas installations, refineries, and offshore wind energy applications. Built for enterprise offshore oil & gas operators and EPC contractors with NORSOK-compliant tolerances and stringent quality documentation.
• Construction Sector Steel Structures Large-size and specialized steel structures for bridges, railway viaducts, footbridges, shipbuilding elements, sports facilities, stadiums, industrial facilities, refineries, power plants, garbage incinerators, warehouses, and unique architectural projects. Produced individually per technical documentation for enterprise infrastructure construction companies, shipbuilders, and developers.
• Metal Cutting Services Precision metal cutting using AJAN CNC plasma/oxygen-gas portals with two 3D beveling heads, ECKERT CNC systems, KOIKE oxygen-gas CNC, robotic pipe cutting, band saw cutting, and guillotine cutting for various steel profiles and sheet metals. Offered to enterprise customers requiring outsourced steel processing.
• Machining Services Large mechanical processing including CNC drilling, milling, boring, and turning operations on heavy steel components using various machine tools. Offered to enterprise customers requiring outsourced machining of heavy steel parts.
• Welding Services Automatic and semi-automatic welding services using multiple methods (ISO 4063: 135, 136, 138, 141, 121, 111) for steel grades S235, S355, S420, S460, S690, Weldox 700, and S960. Performed per EN287-1/ISO 9606-1, ISO 15614-1, NORSOK M101, DNV, GL, and LR standards. Offered to enterprise customers requiring certified welding of heavy steel structures.
• Anti-Corrosion Services Blasting and painting services for steel structures achieving purity levels up to Sa 3.0 per PN-EN ISO 8501-1, with coating applications meeting PN-EN ISO 12944 and NORSOK M-501 standards. Provided in blasting rooms up to 29m x 8.5m x 4.9m and a painting hall of 110m x 20m x 9m. Offered to enterprise customers requiring offshore-grade and infrastructure-grade corrosion protection.
• Testing and Quality Control Services Non-destructive testing (NDT) services including visual VT, ultrasonic UT, magnetic MT, penetration PT, and radiographic RT testing, plus anti-corrosive coating tests, performed in a DNV-recognized laboratory. Offered to enterprise customers in offshore, infrastructure, and industrial sectors requiring certified material and weld testing.

Quantifiable outcome

• 34 bridge cranes + 2 semi-gantry cranes for heavy manufacturing capacity
• +2 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature5 records

Scale indicators6 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• ZPMC (Shanghai Zhenhua Heavy Industries): World's largest manufacturer of port cranes (STS, RTG, RMG) and heavy material-handling equipment. Directly comparable to Mostostal's container-crane and shiploader product line, though at significantly larger scale and global reach.
• Konecranes Plc: Global leader in port and material-handling cranes, with overlapping product scope in RTG, STS, RMG and ASC cranes. While Konecranes focuses on complete systems and lifecycle service, Mostostal competes as a structural fabricator supplying similar end-customers.
• Liebherr-International AG: Family-owned manufacturer of maritime cranes, port equipment, and large structural fabrications. Overlaps with Mostostal in heavy steel structures for offshore wind installation vessels and port-side handling equipment.
• Voestalpine AG: Austrian integrated steel and steel-processing group with a heavy-fabrication division serving rail, energy, and infrastructure customers. Comparable as a broader incumbent with overlapping capabilities in welded structural assemblies for industrial end-markets.
• Terex Corporation: Diversified manufacturer of cranes and material-handling equipment, including port and terminal solutions. Comparable to Mostostal's port-equipment segment as an established incumbent with global brand and service network.

Direct peers

• Cimolai S.p.A. Italian specialist in complex large-scale steel structures for bridges, stadiums, and offshore applications. Highly comparable in scope (NORSOK/EN 1090-certified fabrications, project-based B2B sales to global enterprise customers) and in tier of capital intensity.
• Mostostal Zabrze: Historic Polish steel-structure manufacturer and Mostostal Chojnice's former parent prior to 2004. Comparable in scope of large welded/bolted structures for industrial and infrastructure customers in Poland and neighboring markets.
• Eiffel Steel (formerly CS Wind Europe / Smulders): European steel fabricator specializing in offshore wind foundations, oil & gas platforms, and large civil structures. Direct competitor to Mostostal in NORSK-certified offshore fabrication and material-handling projects.
• Zamet Industry S.A. Mostostal Chojnice's former parent and fellow Polish fabricator of large steel structures and machinery for industrial customers. Directly comparable in product mix (heavy welded structures for energy, material handling, offshore) and customer geography (Central Europe). Privatization of Mostostal from Zamet in 2023 created two now-competing entities with similar capabilities.

Regional players

• Stocznia Gdańsk S.A. Polish shipyard that leased the organized part of Mostostal Chojnice during the 2011–2013 bankruptcy period. Overlapping capability in heavy steel fabrication, welding, and offshore/structural assemblies for marine customers in Northern Europe.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/mostostal-chojnice

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about MOSTOSTAL CHOJNICE