What Krnovske Opravny a Strojirny does

Krnovské opravny a strojírny s.r.o. (KOS) is a Czech rail industry company headquartered in Krnov that manufactures, reconstructs, modernizes, and repairs tramcars, passenger rail vehicles, and freight wagons, and runs an engineering production line for rail components. Operational heritage extends to 1872, when a Mechanical Service Facility for Railway Vehicles Maintenance was established to serve the Olomouc–Krnov–Opava line; the current private limited company was formed on 1 September 1992 during post-privatization restructuring of the Railway Repair and Engineering Works. KOS operates from a single integrated site in Krnov (Staré Ježnická 1556/1, Pod Bezručovým vrchem), with approximately 420 employees making it the second-largest employer in the city.

The company is organized into five product/service streams: tramcars (production, reconstruction, modernization delivered via the TW Team Alliance with Pragoimex and VKV Praha, with over 630 tramcars and bodyshells delivered since 2001), passenger rail vehicles (periodic and modernisation repairs, including historic vehicle restoration for České dráhy), freight wagons (overhauls, revisions, mobile service under KVs5-B-2010, German VPI, Slovak SÚNV, and ECM certifications), parts repair (wheel sets, brake systems tested on HAKAN per UIC 543, buffers and draw gear), and engineering production (pins and bushings with induction hardening at approximately 1 million units/year, steel and stainless steel weldments per DIN EN 15085-2, machined castings and forgings, and special railway gauges). Customers include Czech state-affiliated operators (České dráhy, ČD Cargo, Dopravní podnik hl. m. Prahy), regional freight operators (PKP Cargo International), industrial shippers (Vápenka Čertovy schody, up to 600 wagons/year under a 2022–2027 contract), private passenger operators (Regiojet), and tier-1 OEMs (ALSTOM, SIEMENS, Tatravagónka). Services and components are supplied across 13+ European countries plus Uzbekistan.

KOS monetizes through B2B contracts negotiated directly with railway operators and through public procurement tenders, with multi-year framework agreements for recurring maintenance volumes and project-based contracts for modernizations and new-builds (notably the tramcar alliance). Pricing is not publicly disclosed and is structured per-project. The company holds the first ECM certificate in the Czech Republic for passenger rail vehicle maintenance (EU 2016/798 / Regulation 2019/779), alongside ISO 9001:2015, ISO 14001:2004, DIN EN 15085-2 welding, KVs5-B-2010, German VPI (including mobile service scope), and Slovak SÚNV certifications. In September 2024, approximately 80% of facilities were damaged by floods, with full operational restoration reported by 30 September 2024. The general director is Ondřej Bezruč; the company is privately held with no disclosed parent or institutional investors.

Name

Krnovske Opravny a Strojirny

Legal name

Krnovské opravny a strojírny s.r.o.

Website

https://kos.cz

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Krnovské opravny a strojírny (KOS) is a Czech rail industry company that manufactures, reconstructs, modernizes, and repairs tramcars, passenger rail vehicles, and freight wagons, and produces specialized engineering components for rail manufacturers and operators across Europe.

Ownership category

akta.pro rank

Product category

Railway Rolling Stock Manufacturing and Repair

NAICS

Transportation Equipment Manufacturing (336)

SIC

Railroad Equipment (3743)

akta.pro primary industry

Braking Systems Maintenance & Overhaul (Pneumatic/Electro-Pneumatic) (TLAKAIAF)

Keywords

• Rail vehicle manufacturing
• Railway rolling stock repair
• Tramcar modernization
• Engineering components production
• Freight wagon reconstruction

Headquarters

HQ city

Krnov

HQ country

Czechia

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Railway Rolling Stock Repair and Maintenance: Revisions, overhauls, and repairs of freight wagons, passenger vehicles, and tramcars under certified repair regulations (KVs5-B-2010, VPI, SÚNV, ECM). Includes wheel set repairs, brake system repairs, and mobile on-site service. Revenue derived from per-project contracts and long-term service agreements.
2. New Railway Vehicle Manufacturing: Production and delivery of new tramcars and bodyshells through TW Team Alliance (with Pragoimex and VKV Praha). Over 630 units delivered since 2001. Includes complete tramcars, bodyshells, tram kits, and assembly tools. Also produces new freight wagons and passenger vehicles.
3. Reconstruction and Modernisation: Modernisation of existing rolling stock (tramcars, passenger vehicles, freight wagons) according to customer requirements. Includes interior modifications, component installations, and performance upgrades. Project-based revenue.
4. Engineering Production: Production and sale of specialised engineering components including pins, bushings (approx. 1 million units/year with induction hardening), weldments, machined castings and forgings, laser cutting up to 16 mm, and special railway gauges. Supplies to rail industry manufacturers and operators.
5. Spare Parts Supply: Supply of spare parts for various types of railway vehicles, buffers, brake components, and wheel sets. Integral part of service offering alongside repairs and new-build.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels3 records

Core offering

Krnovské opravny a strojírny s.r.o. (KOS) is a Czech rail industry company that manufactures, reconstructs, modernizes, and repairs railway rolling stock including tramcars, passenger vehicles, and freight wagons. It also operates an engineering production division producing pins, bushings, weldments, machined castings/forgings, and special railway gauges for rail industry customers. Operations are delivered through the TW Team Alliance with Pragoimex and VKV Praha for new-build tramcars.

Product overview

KOS (Krnovské opravny a strojírny s.r.o.) is a Czech rail vehicle manufacturing, reconstruction, modernization, and repair company offering both a unified service portfolio and a complementary engineering production line. Its core business is organized into five segments: (1) tramcars — production, reconstruction, and modernization delivered through the TW Team Alliance with Pragoimex and VKV Praha; (2) passenger rail vehicles — repair and modernization; (3) railway freight wagons — repair and reconstruction; (4) parts repair services — wheel sets, brake systems, buffers, and draw gear; and (5) engineering production — pins and bushings with induction hardening, machining of castings and forgings, stainless steel weldments, steel weldments, and special railway gauges. These product lines are interconnected: engineering components (weldments, machined parts, gauges) are used in-house for vehicle manufacturing and repair, and are also sold externally to other rail manufacturers. The product portfolio thus spans new vehicle production, repair/refurbishment services, and precision components for the rail industry.

Differentiator

Problem solved

Functional benefit

Products and services

• Tramcars (Production, Reconstruction, Modernization) New tramcar manufacturing, reconstruction, and modernization delivered through the TW Team Alliance with Pragoimex a.s. and VKV Praha s.r.o. More than 630 units of various tramcar types and bodyshells delivered since 2001 to urban transport operators in Czech Republic, Slovakia, Germany, Croatia, Uzbekistan, and Russia. Includes bodyshell supply with kits, full assembly, spare parts, and warranty/post-warranty service. Target customers: municipal urban transit companies.
• Passenger Rail Vehicles (Repair and Modernization)

Quantifiable outcome

• 630+ tramcar units delivered since 2001
• +5 more outcomes

Named customers16 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Two partnerships are on record, tiered core.

• TW Team Alliance (Pragoimex a.s. + VKV Praha s.r.o.)coreStrategic or Co-development Partner · 1 January 2001Strategic alliance formed in 2001 for tramcar production and delivery. KOS serves as manufacturing partner alongside Pragoimex (commercial/technical) and VKV Praha (design office). The alliance has delivered over 630 tramcar units since 2001 to urban transport companies in Czech Republic, Slovakia, Germany, Croatia, Uzbekistan, and Russia. In 2022, the alliance signed a contract with Dopravní podnik hlavního města Prahy for modernisation of up to 65 tramcars T3R.P/T3R.PV to T3R.PLF.
• Vagónka Studénka (MSV STUDÉNKA s.r.o.)coreTechnology or Integration · 1 January 1997Cooperation started in 1997 during a period of radical decline in vehicle repairs. KOS began welding and supplying sub-assemblies (front plates, flaps, partition walls, etc.) for freight rail vehicles to Vagónka Studénka, maintaining quality per DIN EN 15085-2. Continued partnership for stainless steel weldments and other components.

Scale indicators6 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Pragoimex: Czech tram and rail vehicle integrator that is both a strategic alliance partner in TW Team Alliance and a peer in tram manufacturing/modernisation. Co-delivers complete new-build tramcars with KOS, making it partially a partner and partially a competitor in the same Czech tram market.
• Tatravagónka Poprad: Slovak manufacturer and repairer of freight wagons, tank wagons, and freight vehicle components. Operates in the same Central European rail ecosystem and is itself both a customer (weldments/parts) and a direct competitor of KOS in the freight rail and tram-related vehicle space.
• MSV Metal Studénka: Czech rail vehicle manufacturer and structural forging/casting supplier based in Studénka. Overlaps with KOS in railway vehicle production, freight bogies, brake system components, and engineered parts, and is referenced in KOS's customer/partnership data as a buyer of pins, bushings, and welded sub-assemblies.
• DPOV Nymburk: Czech rail vehicle repair and maintenance subsidiary of ČD Group. Functions as a direct MRO competitor in the Czech Republic for passenger and freight rail vehicle overhauls, and is also a buyer of KOS's brake components (narázníky, stopexy).

Broad incumbents

• Talgo: Spanish passenger train OEM with European service and maintenance activities. Comparable to KOS in passenger rail vehicle manufacturing and after-sales service, though focused on high-speed and intercity segments rather than commuter/freight MRO.
• Alstom: French-headquartered global rail OEM covering rolling stock, signaling, and services. Engages with KOS as a weldments customer and competes indirectly for full-vehicle maintenance and modernisation tenders across European markets where both firms operate.
• Škoda Transportation: Czech-based OEM of locomotives, EMUs, and light rail vehicles (also part of the broader Škoda group historically). Directly comparable geographic and ecosystem overlap with KOS, but operates at substantially larger scale as a vehicle OEM rather than a repair-focused mid-tier.
• Stadler Rail: Swiss rolling stock OEM and service provider with operations across Europe, including tram, regional train, and locomotive maintenance depots. Comparable to KOS through its service/MRO business arm, but operates at substantially greater scale as a vertically integrated OEM and maintainer.
• CAF (Construcciones y Auxiliar de Ferrocarriles): Spanish rolling stock OEM and maintenance provider with growing Central European footprint. Comparable to KOS as both a tram and passenger vehicle manufacturer and as a service/maintenance provider, though at materially greater scale.
• Siemens Mobility: Global rail OEM offering locomotives, trains, trams and rail services incl. maintenance depots across Europe. KOS supplies steel and stainless-steel weldments into Siemens; comparable as both a customer and a broad competitor for new-build and after-sales service work.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 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 Krnovske Opravny a Strojirny