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Top 50 Construction Companies in Norway (2026)

Norway’s construction industry is fueled by offshore infrastructure, road-building, and residential development. This ranking highlights the 50 largest Norwegian construction companies by headcount.

1

🇳🇴 BANE NOR SF

5,637 employees17.8B NOK

Manages, builds, and modernizes Norway's national railway infrastructure.

2

🇳🇴 AIBEL AS

3,778 employees17.7B NOK

Leading EPCI provider designing and building critical energy infrastructure solutions.

3

🇳🇴 BRAVIDA NORGE AS

3,384 employees5.8B NOK

Nordic leader providing end-to-end technical building solutions and services.

4

🇳🇴 VEIDEKKE ENTREPRENØR AS

2,941 employees15.8B NOK

Scandinavian contractor building infrastructure, roads, tunnels, and buildings sustainably.

5

🇳🇴 SKANSKA NORGE AS

2,917 employees15B NOK

Leading group developing and building sustainable infrastructure and properties.

6

🇳🇴 FORSVARSBYGG

2,542 employees

Manages Norwegian defense infrastructure, buildings, and estates daily.

7

🇳🇴 GK NORGE AS

1,854 employees4.7B NOK

Leading Scandinavian technical contractor delivering smart building solutions sustainably.

8

🇳🇴 CAVERION NORGE AS

1,831 employees4.1B NOK

Leading provider of smart, sustainable technical building solutions and services.

9

🇳🇴 KAEFER ENERGY AS

1,799 employees2.6B NOK

Leading provider of industrial services, insulation, and energy sector support.

10

🇳🇴 MESTA AS

1,540 employees6.5B NOK

Norway's leading infrastructure group building, operating, and maintaining national transport networks.

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11

🇳🇴 AF GRUPPEN NORGE AS

1,492 employees8.2B NOK

Leading contracting and industrial group executing major infrastructure projects.

12

🇳🇴 HENT AS

1,405 employees9B NOK

Leading Norwegian total contractor specializing in large-scale sustainable development projects.

13

🇳🇴 VEIDEKKE INDUSTRI AS

1,225 employees5.4B NOK

Major Scandinavian contractor building infrastructure, roads, tunnels, and housing.

14

🇳🇴 VELOX ELECTRO NORDICS AS

1,088 employees430.1M NOK

Providing industrial automation and electrical services solutions across the Nordics.

15

🇳🇴 HÆHRE ENTREPRENØR AS

1,054 employees4.7B NOK

Leading Norwegian contractor building vital national infrastructure projects.

16

🇳🇴 STATSBYGG

1,018 employees

Norwegian government agency managing state-owned real estate and construction projects.

17

🇳🇴 RECOVER AS

961 employees2.1B NOK

Leading specialist in damage remediation, rebuilding, and craft services.

18

🇳🇴 ELVIA AS

939 employees8.5B NOK

Norway's largest grid company ensuring power for millions across Eastern Norway.

19

🇳🇴 OCAB AS

879 employees1.7B NOK

Nationwide Norwegian company specializing in property damage limitation and restoration.

20

🇳🇴 VENTOR ENERGI NORGE AS

870 employees577.3M NOK

Comprehensive industrial construction services, manufacturing, and specialized technical contracting.

21

🇳🇴 VARME & BAD AS

851 employees1.3B NOK

Nationwide Norwegian network supplying plumbing, heating, and energy solutions.

22

🇳🇴 YABIMO NORGE AS

846 employees634.6M NOK

Supplying skilled personnel, engineering, and construction for heavy industry.

23

🇳🇴 WNS POMORZE SP. Z O.O NUF

840 employees501.6M NOK

Industrial contractor specializing in steel structures, pipelines, and technical services.

24

🇳🇴 VASSBAKK & STOL AS

812 employees3B NOK

Vassbakk & Stol provides industrial services utilizing a large machine fleet.

25

🇳🇴 WOOD GROUP NORWAY AS

803 employees2.1B NOK

Delivering engineering and project solutions for energy and materials.

26

🇳🇴 STS-ISONOR AS

754 employees768.2M NOK

Leading contractor for industrial maintenance and modification services.

27

🇳🇴 NCC NORGE AS

738 employees4.3B NOK

Leading Nordic construction and property development company managing complex projects.

28

🇳🇴 FIRESAFE AS

731 employees990.2M NOK

Nordic total supplier for comprehensive fire safety solutions and services.

29

🇳🇴 LEONHARD NILSEN & SØNNER AS

728 employees2.4B NOK

Global leader providing specialized heavy construction and infrastructure services.

30

🇳🇴 STANGELAND MASKIN AS

725 employees2.4B NOK

Leading Norwegian contractor specializing in major infrastructure projects.

31

🇳🇴 BANESERVICE AS

679 employees2.1B NOK

Norway's leading railway contractor providing specialized infrastructure services nationwide.

32

🇳🇴 ASSEMBLIN AS

668 employees1.8B NOK

Nordic installation and service partner for smart, sustainable buildings.

33

🇳🇴 MESTERGRUPPEN BYGGEVARE AS

666 employees8.1B NOK

Scandinavian group focused on building materials, housing, and surfaces.

34

🇳🇴 ROSENBERG WORLEY AS

642 employees6.1B NOK

Global engineering firm executing complex energy and resource projects.

35

🇳🇴 RISA AS

631 employees2.1B NOK

Major Norwegian contractor specializing in infrastructure, construction, and maintenance services.

36

🇳🇴 ONECO ELEKTRO AS

624 employees1.6B NOK

Leading industrial group delivering critical infrastructure solutions across Norway.

37

🇳🇴 OSLOBYGG KF

603 employees

Oslo's municipal enterprise managing and developing public properties sustainably.

38

🇳🇴 ONECO NETWORKS AS

577 employees1.7B NOK

Providing robust infrastructure solutions across telecom, energy, and transport sectors.

39

🇳🇴 NSE INDUSTRIER AS

560 employees622.6M NOK

NSE Industrier provides multidisciplinary industrial surface treatment and scaffolding services.

40

🇳🇴 PCS CONSTRUCTION NORWAY AS

555 employees234.2M NOK

Leading Norwegian provider of custom steel structures and surface treatments.

41

🇳🇴 NCC INDUSTRY AS

530 employees2.9B NOK

Leading Nordic construction and property development company managing complex projects.

42

🇳🇴 ELTEL NETWORKS AS

526 employees1.3B NOK

Leading provider of critical infrastructure services for connectivity and power.

43

🇳🇴 PRESIS VEGDRIFT AS

519 employees2.6B NOK

Leading contractor maintaining public roads and infrastructure across Norway.

44

🇳🇴 CONSTO AS

518 employees4.8B NOK

Leading Norwegian construction group specializing in building and infrastructure projects.

45

🇳🇴 NSE FAGSTILLAS AS

497 employees225M NOK

Providing essential industrial services including scaffolding, coating, and insulation.

46

🇳🇴 GRANITOR ELECTRO AS

491 employees272.8M NOK
47

🇳🇴 IMPLENIA NORGE AS

491 employees3.6B NOK

Leading multinational provider of integrated construction and real estate services.

48

🇳🇴 SIEMENS AS

480 employees2.4B NOK

Siemens provides industrial technology solutions and digital transformation services.

49

🇳🇴 SOTRA LINK CONSTRUCTION JV ANS

469 employees2.9B NOK

Digital platforms and tools for efficient construction and BIM management.

50

🇳🇴 URBAN REUSE NORWAY AS

466 employees955M NOK

Experts in sustainable building renewal, demolition, and circular construction consulting.

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