OSTROJ

What OSTROJ does

OSTROJ a.s. is a privately held Czech engineering and heavy-manufacturing company headquartered in Opava, operating five integrated divisions across forging and heat treatment, machining and assembly, welding, surface treatment (galvanizing, chrome plating, painting), and mining/industrial automation. Founded in 1948, the company designs and builds customized machinery for work in extreme environments, principally underground mining (mechanized roof supports, armoured face conveyors up to 4,000 t/h), tunnel construction (mobile steel formwork, reinforcement vehicles, hoisting platforms), industrial automation (belt, chain, roller and modular conveyors, autonomous transfer vehicles, palletizing, special-purpose machines), and custom contract manufacturing (assembled units, hydraulic cylinders, welded structures, surface-treated parts, and IATF 16949-certified drop forgings for the automotive supply chain).

The company runs a project-based B2B model selling directly to enterprise customers with no resellers or distributors, executing large custom-engineered orders through direct sales teams, technical consultation, and quote-based pricing; pricing is not publicly disclosed and surface-treatment orders carry a CZK 2,500 minimum. Production is anchored by heavy industrial assets including a robotic forging line (in operation since October 2022 with 410,000+ pieces produced), a new CZK 150M+ LZK 4000-2 semi-automatic forging line with 3D vision, and a suspension galvanizing line that has coated ~500,000 m² in two years. Customers span VW Group brands, Oshkosh AeroTech, Skanska, HOCHTIEF, STRABAG, Innomotics, Notino, Model Obaly, Explosia, Swanson Industries, and MEA Water Management, served globally from the single Opava site.

OSTROJ is investing in capacity, certification (IATF 16949, EN 15085-2 CL1, ISO 14001/45001), and organizational restructuring (matrix management adopted in 2025), with FY2025 revenue of CZK 1.539 billion (+9.3% YoY) but a CZK 45.4M calendar-year loss reflecting the ongoing transformation cycle. The company pursues expansion in the United States, defense, and rail-vehicle welding, while continuing to anchor its base in mining, tunnel construction, and automotive forging.

Name

OSTROJ

Legal name

OSTROJ a.s.

Website

https://ostroj.cz

Company type

Private

Founded year

1948

Operating status

Operating

Headcount range

51–100 employees

Short description

OSTROJ a.s. is a Czech heavy-engineering manufacturer founded in 1948 and based in Opava, designing and producing customized mining machines, mobile tunnel formwork, conveyor and automation systems, and IATF 16949-certified drop forgings for enterprise customers across mining, construction, automotive, airport, defense, and industrial automation sectors globally.

Ownership category

akta.pro rank

Product category

Industrial Machinery Manufacturing

NAICS

Mining Machinery and Equipment Manufacturing (333131), Construction Machinery Manufacturing (333120)

SIC

Construction, Mining & Materials Handling Machinery & Equip (3530), Construction Machinery & Equip (3531)

akta.pro primary industry

Maintenance, Repair & Rebuild (MRO), Parts Distribution & Field Service (IMAKANAL)

Keywords

• Mining machinery manufacturing
• Tunnel construction equipment
• Industrial conveyor systems
• Custom metal fabrication
• Drop forging services

Headquarters

HQ city

Opava

HQ country

Czechia

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Mining Equipment Manufacturing: Design, development and manufacture of underground mining equipment including mechanized roof supports, armoured face conveyors, and traction units. Products supplied globally to mining operations.
2. Tunnel Construction Equipment: Mobile steel formwork systems and specialized equipment for tunnel construction including reinforcement vehicles, handling platforms, and hoisting platforms for escalator tunnels.
3. Industrial Automation and Conveyor Systems: Complete conveyor lines and automation solutions for various industries including e-commerce, packaging, automotive, and manufacturing. Systems include belt conveyors, roller conveyors, chain conveyors, shuttle cars, and turntables.
4. Custom Manufacturing Services: Custom heavy and medium machinery according to supplied documentation, hydraulic cylinders, precision machined components, technologically demanding welds, and assemblies.
5. Surface Treatment Services: Wet painting, hard chrome plating, and galvanic zinc plating including surface passivation. Minimum order value 2,500 CZK.
6. Drop Forgings for Automotive: Serial production of drop forgings and machined forgings for automotive industry, including components for traction equipment, wheel carriers, spring holders, and safety parts for vehicles including Volkswagen, Škoda, Porsche, Mercedes, BMW, Volvo, Audi, Hyundai, Stellantis.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels9 records

Core offering

OSTROJ designs, develops, and manufactures industrial equipment for mining, tunnel construction, industrial automation, and custom manufacturing. Core offerings include mechanized mining supports, armoured face conveyors, mobile steel tunnel formwork, modular conveyor systems, custom-assembled machinery, hydraulic cylinders, welded constructions, surface treatments, and die forgings for the automotive industry. Production is carried out in a fully integrated facility in Opava, Czech Republic, with deliveries to enterprise customers worldwide.

Product overview

OSTROJ is a Czech engineering company with nearly 80 years of history offering two main product lines: (1) Machines and Equipment — covering mining machines (mechanized supports for longwall mining), underground construction (mobile steel formwork for tunnel concrete, reinforcement vehicles, hoisting platforms), industrial automation, and conveyor systems (including belt conveyors, chain conveyors, roller conveyors, belt conveyors for long materials, modular belt conveyors, autonomous transfer vehicles, pushers, lifts, turntables, vertical conveyors, palletizing, and handling technology); and (2) Custom Manufacturing — covering assembled units, hydraulic cylinders, welded constructions, surface treatments (wet painting, hard chrome plating, galvanic zinc plating), and die forgings for the automotive industry. The company operates from Opava, Czech Republic, with a focus on technologically demanding segments.

Differentiator

Problem solved

Functional benefit

Products and services

• Mechanized Supports (Mechanizované výztuže) Mechanized roof supports used during longwall mining to ensure roof safety after material extraction and to separate the working area from the risk of collapse. Sold to underground mining operators globally.
• Armoured Face Conveyors (Hřeblové dopravníky) Heavy-duty chain conveyors for coal and bulk material extraction in longwall mining with capacity up to 4,000 t/h, motor power up to 3x1000 kW, and maximum length of 400 meters. For mining companies.
• Mobile Steel Formwork for Secondary Lining of Bored Tunels (Pojízdné ocelové bednění) Mobile steel formwork designed for concrete casting of secondary tunnel lining, typically 6-12 m in length, with inclination capability up to 5° (special applications up to 45°). For tunnel construction companies.
• Mobile Steel Formwork for Cut-and-Cover Tunnels Mobile steel formwork for concrete casting of bored tunnel profiles, typically 10-20 m in length, with height adjustment 200-2200 mm. For infrastructure construction projects.
• Reinforcement Vehicles and Handling Platforms (Armovací vozíky a manipulační plošiny) Sliding platform technology running on rails in front of mobile formwork, used for tunnel steel reinforcement installation and auxiliary concrete and finishing work. For tunnel construction.
• Hoisting Platforms for Escalator Tunnels (Těžní plošiny eskalátorových tunelů) Specialized hoisting equipment for lifting work during tunnel excavation and concrete casting, with maximum load capacity of 10,500 kg. For metro and tunnel construction projects.
• Chain Conveyors (Řetězové dopravníky) Conveyor technology for transporting bulky and heavy loads in demanding conditions, combinable with autonomous transfer vehicles, pushers, lifts, turntables, elevators and vertical conveyors. For industrial manufacturers.
• Feeding Chain Conveyors (Podávací řetězové dopravníky) Conveyors for extracting bulk materials such as coal, stone, salt, slag from trucks, loaders, crushers, screeners or other equipment onto belt conveyors. For mining and bulk material handling operations.
• Belt Conveyors (Pásové dopravníky)

Quantifiable outcome

• 9.3% revenue growth to 1.539 billion CZK in 2025
• +5 more outcomes

Named customers14 records

Segments6 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature5 records

Partnerships

13 partnerships are on record, tiered core and minor.

• NotinocoreStrategic or Co-development Partner · 1 January 2026E-commerce company for which OSTROJ developed and manufactured complex automated conveyor line for distribution warehouse in Romania. System with 700 meters of conveyors handles up to 6,000 packages per hour including 23 manual packing workstations and central sorter.
• Model ObalycoreStrategic or Co-development Partner · 1 January 2025Czech packaging company for which OSTROJ delivered complex conveyor system for production of large-format cardboard packaging in Moravské Budějovice. System 250 meters long handles 62 pallets per hour with over 130 depositing locations, two automatic vehicles, conveyors, turntables, and transfers.
• ExplosiacoreStrategic or Co-development Partner · 1 January 2025Czech defense industry company for which OSTROJ is preparing two new production lines for gunpowder homogenization. Lines will at least double production capacity and increase production flexibility.
• Swanson IndustriescoreStrategic or Co-development Partner · 1 January 2024American partner for manufacturing and supplying 292 traction units for coal mines in Utah. This order was part of mining equipment modernization in the region. OSTROJ designed and manufactured the equipment to meet demanding requirements of the mining industry.
• Innomotics GmbHcoreStrategic or Co-development Partner · 1 January 2024German company (Dynamowerk Berlin) for which OSTROJ manufactures special frames for electric motors serving as drives for large industrial lines and machines in steel, oil, and gas industries. Partnership includes three main frame types: bottom frames, supporting frames, and motor housings. Order volume exceeded 40 million CZK in 2024.
• SkanskacoreStrategic or Co-development Partner · 1 January 2024Construction company Skanska for which OSTROJ designed and manufactured special mobile formwork structure for concrete pouring of 440-meter highway tunnel near Oslo, Norway. Massive metal construction weighing 250 tons with approximately 70,000 components.
• Oshkosh AeroTechcoreStrategic or Co-development Partner · 1 January 2022American company (formerly JBT AeroTech) for which OSTROJ has been manufacturing airport stairs and loading platforms since 2022. Serial production includes CLT-8 loading platforms for lifting, lowering, and transporting LD-2/3 containers. Products delivered worldwide including Spain, Italy, France, Austria, Portugal, Canada, and UK. Target of 6 units per month by end of 2024.
• HOCHTIEF CZcoreStrategic or Co-development PartnerConstruction company for Prague Metro Line D project. OSTROJ supplied mobile formwork equipment for secondary tunnel lining between Pankrác and Olbrachtova stations in the first construction phase.
• STRABAGcoreStrategic or Co-development PartnerConstruction company supplied with mobile formwork equipment enabling tunnel lining concrete pouring for Prague metro infrastructure projects.
• POHL czminorStrategic or Co-development PartnerConstruction company supplied with armoured face conveyor TH 502 M, 60 meters total length, for material transport during Prague Metro construction.
• LAMIVEXminorStrategic or Co-development PartnerFurniture manufacturing company for which OSTROJ delivered comprehensive material flow solution with nearly 1.5 km of transport routes and dozens of hydraulic conveyors, resulting in 38% production increase.
• MEA Water Management PlzeňminorStrategic or Co-development PartnerModern conveyor line delivery for production of polymer concrete drainage channels.
• Volkswagen GroupcoreStrategic or Co-development PartnerExpanded production of drop forgings for automotive conglomerate including components for traction equipment, wheel carriers, spring holders, and safety parts for VW, Škoda, Porsche, Mercedes, BMW, Volvo, Audi, Hyundai, Stellantis vehicles.

Scale indicators14 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• FAMUR: Polish longwall and underground mining equipment manufacturer producing mechanized roof supports, armoured face conveyors, and traction systems. Closest direct peer to OSTROJ's heritage mining machinery business, with overlapping customer base in Central European and CIS coal and mineral mines.
• Doka: Austrian formwork specialist serving concrete construction including tunnels, bridges, and high-rises. Most direct competitor to OSTROJ's mobile steel formwork business for tunnel and metro projects, with comparable customer wins in major European infrastructure programs.
• PERI: German formwork and scaffolding manufacturer with strong tunnel and infrastructure exposure. Directly comparable to OSTROJ's mobile tunnel formwork and reinforcement vehicle offerings, and competes in similar mega-project tenders.
• Becker Mining Systems: German supplier of mining technology including longwall equipment, conveyor systems, and roof supports. Directly comparable in product mix to OSTROJ's underground mining equipment portfolio and serves similar European and international mining customers.
• Normet: Finnish manufacturer of underground mining and tunneling equipment, including sprayed concrete systems, loaders, and formwork-adjacent technologies. Comparable to OSTROJ across both mining and tunnel construction segments, with similar mid-size European industrial OEM profile.
• DBT GmbH: German specialist in longwall mining equipment including shearers, armored face conveyors, and roof supports. Highly comparable to OSTROJ's mining machinery division in both technology and customer profile across European underground mining.

Broad incumbents

• Caterpillar Mining: Mining segment of US heavy equipment OEM Caterpillar, supplying longwall, room-and-pillar, and material handling equipment globally. Largest scaled competitor to OSTROJ in underground mining machinery; competes on longwall roof supports, armoured face conveyors, and traction systems.
• Komatsu Mining: Global mining OEM (including former Joy Global) producing longwall systems, shearers, and continuous miners. Broad incumbent competitor to OSTROJ in longwall mining equipment and the supplier of the 292-unit traction-equipment deal OSTROJ indirectly addresses through Swanson.
• Sandvik Mining and Rock Solutions: Division of Swedish Sandvik covering underground mining, surface mining, and rock excavation equipment. Overlaps with OSTROJ's mining equipment and parts business, but operates at vastly greater scale and global reach.
• Epiroc: Swedish large-scale mining and infrastructure equipment OEM spun out of Atlas Copco. Competes with OSTROJ in underground mining and rock excavation, but offers a much broader portfolio at global scale across drilling, loading, and rock reinforcement.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@ostrojas
• Facebookfacebook.com/ostroj
• LinkedInlinkedin.com/company/ostro
• Instagraminstagram.com/ostroj.cz

Compliance12 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 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 OSTROJ