Largest companies: Construction of railways and underground railways

#1

Trakcja

S.A.

Trakcja is a leading contractor in transport and energy infrastructure in Poland, specializing in road construction, including national and local roads. The company also produces steel structures and electrical devices for railways, trams, and energy sectors, and offers services in railway transport, equipment rental, and the construction of engineering structures like bridges and tunnels. Additionally, Trakcja is involved in environmental engineering and maintains a fleet of specialized equipment for railway and energy construction projects.

#2

Torpol

S.A.

Torpol is a Poznań-based general contractor for railway, urban transport and fuel infrastructure in Poland. It builds and modernises railway lines and stations, depots and urban transport facilities, as well as fuel infrastructure.

#3

Gulermak

S.A.

Gülermak Ağır Sanayi İnşaat ve Taahhüt A.Ş. has been delivering transportation and infrastructure projects since 1958. The company specializes in railway, metro and light rail systems, trams, highways, and bridges. It also works in industry, power, and environmental projects, including wastewater treatment plants, pipelines, and dredging.

#4

Pomorskie Przedsiębiorstwo Mechaniczno-Torowe

sp. z o.o.

Pomorskie Przedsiębiorstwo Mechaniczno-Torowe, based in Gdańsk, carries out railway track construction, repair and modernisation work in Poland. It rents out machinery and equipment for track works, repairs and modernises railway machinery, and provides machining services.

#6

ZUE

S.A.

Zue is a leading company in the construction and modernization of power supply systems for tram infrastructure and railway projects in Poland. It focuses on urban rail infrastructure and energy infrastructure, offering project management, commercial, and execution capabilities. The company is recognized for its significant contracts and contributions to the railway industry.

#8

Zakłady Automatyki Kombud

S.A.

Zakłady Automatyki Kombud, based in Radom and part of Kombud Group, produces and deploys railway traffic control systems and railway automation equipment in Poland. Its portfolio includes station control systems, level-crossing protection and railway traffic control components, as well as design, installation and maintenance services.

#9

Dolnośląskie Przedsiębiorstwo Napraw Infrastruktury Komunikacyjnej Dolkom

sp. z o.o.

Dolnośląskie Przedsiębiorstwo Napraw Infrastruktur, operating as DOLKOM, has been part of the PKP PLK S.A. capital group since 1954. The company builds, repairs and maintains railway tracks and switches, repairs railway machinery, works on railway power infrastructure and overhead contact lines, and rents out machinery.

#10

Torkol

sp. z o.o.

Torkol is a Tychy-based contractor specialising in railway and civil engineering construction, as well as transport logistics. It delivers railway and terminal infrastructure projects, including intermodal terminals.

#11

Swietelsky Rail Polska

sp. z o.o.

Swietelsky Rail Polska delivers railway construction projects, including tracks, stations, and control and signalling systems. The company also builds and modernizes roads, bridges, residential, office, industrial, and public-use buildings, and provides environmental technologies, general contracting, and materials testing.

#13

KZN Rail

sp. z o.o.

Kzn Rail is a contractor specializing in the construction, repair, and maintenance of railway and tramway infrastructure. The company is involved in projects funded by the European Union and focuses on enhancing the accessibility and attractiveness of eco-friendly rail transport. Kzn Rail also provides logistics services for track switches and operates within the broader KZN Bieżanów Group.

#14

Infrakol

sp. z o.o. + limited partnership

Infrakol is a railway construction contractor based in Jawor, carrying out specialist track works and building engineering structures throughout Poland. It delivers construction and modernisation projects for the rail and road sectors, using specialist equipment including two-way excavators.

#16

LWZ

sp. z o.o.

LWZ has been building and modernizing railway and power infrastructure since 2016, offering rail and steel-element welding, railway machinery rental, track works, construction of high- and extra-high-voltage lines, and installation of track lubricators and STRAIL crossing surfaces. The company has carried out work on railway line no. 132, the revitalization of the Kamienna Góra–Ogorzelec section, and the stabilization of nearly 20 km of tram lines in Poznań.

#17

GÓR-TOR

sp. z o.o.

GÓR-TOR carries out railway track repairs and modernisation, track assembly works and construction work, including drainage and subgrade work. The company rents out a Plassermatic 08-275 ZW track tamping machine with surveying support, machinery and equipment, the Zollner warning system with a lookout, and provides transport of materials and equipment.

#20

Alusta

S.A.

Alusta is a company that specializes in the modernization, reconstruction, and renovation of railway and tram tracks, as well as cubic construction. It has participated in significant projects involving the modernization of major railway lines in Poland and the reconstruction of tram tracks in urban areas. Additionally, Alusta is involved in the construction of residential and public utility buildings.