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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

5,597 employees17.8B NOK

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

2

🇳🇴 BRAVIDA NORGE AS

3,307 employees5.8B NOK

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

3

🇳🇴 VEIDEKKE ENTREPRENØR AS

2,862 employees15.8B NOK

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

4

🇳🇴 SKANSKA NORGE AS

2,852 employees15B NOK

Leading group developing and building sustainable infrastructure and properties.

5

🇳🇴 GK NORGE AS

1,864 employees4.7B NOK

Leading Scandinavian technical contractor delivering smart building solutions sustainably.

6

🇳🇴 CAVERION NORGE AS

1,834 employees4.1B NOK

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

7

🇳🇴 MESTA AS

1,606 employees6.5B NOK

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

8

🇳🇴 AF GRUPPEN NORGE AS

1,456 employees8.2B NOK

Leading contracting and industrial group executing major infrastructure projects.

9

🇳🇴 HENT AS

1,364 employees9B NOK

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

10

🇳🇴 HÆHRE ENTREPRENØR AS

1,050 employees4.7B NOK

Leading Norwegian contractor building vital national infrastructure projects.

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11

🇳🇴 RECOVER AS

1,005 employees2.1B NOK

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

12

🇳🇴 ELVIA AS

959 employees8.5B NOK

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

13

🇳🇴 OCAB AS

926 employees1.7B NOK

Nationwide Norwegian company specializing in property damage limitation and restoration.

14

🇳🇴 VARME & BAD AS

864 employees1.3B NOK

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

15

🇳🇴 VELOX ELECTRO NORDICS AS

835 employees430.1M NOK

Providing industrial automation and electrical services solutions across the Nordics.

16

🇳🇴 WOOD GROUP NORWAY AS

802 employees2.1B NOK

Delivering engineering and project solutions for energy and materials.

17

🇳🇴 NCC NORGE AS

771 employees4.3B NOK

Leading Nordic construction and property development company managing complex projects.

18

🇳🇴 VASSBAKK & STOL AS

742 employees3B NOK

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

19

🇳🇴 ASSEMBLIN AS

733 employees1.8B NOK

Nordic installation and service partner for smart, sustainable buildings.

20

🇳🇴 FIRESAFE AS

697 employees990.2M NOK

Nordic total supplier for comprehensive fire safety solutions and services.

21

🇳🇴 STS-ISONOR AS

696 employees768.2M NOK

Leading contractor for industrial maintenance and modification services.

22

🇳🇴 STANGELAND MASKIN AS

690 employees2.4B NOK

Leading Norwegian contractor specializing in major infrastructure projects.

23

🇳🇴 BANESERVICE AS

684 employees2.1B NOK

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

24

🇳🇴 TRONDHEIM EIENDOM

654 employees

Manages and develops Trondheim Municipality's extensive property portfolio.

25

🇳🇴 LEONHARD NILSEN & SØNNER AS

638 employees2.4B NOK

Global leader providing specialized heavy construction and infrastructure services.

26

🇳🇴 ONECO ELEKTRO AS

616 employees1.6B NOK

Leading industrial group delivering critical infrastructure solutions across Norway.

27

🇳🇴 ONECO NETWORKS AS

612 employees1.7B NOK

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

28

🇳🇴 OSLOBYGG KF

600 employees

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

29

🇳🇴 NSE FAGSTILLAS AS

581 employees225M NOK

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

30

🇳🇴 RISA AS

577 employees2.1B NOK

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

31

🇳🇴 CONSTO AS

559 employees4.8B NOK

Leading Norwegian construction group specializing in building and infrastructure projects.

32

🇳🇴 PRESIS VEGDRIFT AS

539 employees2.6B NOK

Leading contractor maintaining public roads and infrastructure across Norway.

33

🇳🇴 ELTEL NETWORKS AS

538 employees1.3B NOK

Leading provider of critical infrastructure services for connectivity and power.

34

🇳🇴 NSE INDUSTRIER AS

524 employees622.6M NOK

NSE Industrier provides multidisciplinary industrial surface treatment and scaffolding services.

35

🇳🇴 Bergene Holm AS

504 employees2.1B NOK

Leading Norwegian producer of certified wood products for construction.

36

🇳🇴 IMPLENIA NORGE AS

497 employees3.6B NOK

Leading multinational provider of integrated construction and real estate services.

37

🇳🇴 URBAN REUSE NORWAY AS

488 employees955M NOK

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

38

🇳🇴 SIEMENS AS

482 employees2.4B NOK

Siemens provides industrial technology solutions and digital transformation services.

39

🇳🇴 SOTRA LINK CONSTRUCTION JV ANS

474 employees2.9B NOK

Digital platforms and tools for efficient construction and BIM management.

40

🇳🇴 SCHNEIDER ELECTRIC NORGE AS

416 employees2.1B NOK

Global leader providing energy management and industrial automation solutions.

41

🇳🇴 PEAB BYGG AS

415 employees2B NOK

Norwegian construction contractor executing diverse building projects across regions.

42

🇳🇴 HITACHI ENERGY NORWAY AS

402 employees2.2B NOK

Global leader powering sustainable energy future with grid technology.

43

🇳🇴 VERISURE AS

391 employees1.4B NOK

Verisure provides professional, monitored security systems for homes and businesses.

44

🇳🇴 ANLEGG ØST ENTREPRENØR AS

383 employees988.9M NOK

Leading Norwegian total contractor executing major infrastructure and civil engineering projects.

45

🇳🇴 BKS INDUSTRI AS

362 employees869.7M NOK

Technical total supplier for maritime, offshore, and land-based industry.

46

🇳🇴 POLYGON AS

361 employees813.8M NOK

Expert property damage control services preventing and mitigating fire, water, climate loss.

47

🇳🇴 NRC NORGE AS

359 employees1.4B NOK

Ambitious Nordic builder engineering, constructing, and maintaining complex infrastructure.

48

🇳🇴 METROSTAV NORGE AS

356 employees1.1B NOK

Advanced Norwegian contractor specializing in tunnels and bridges infrastructure.

49

🇳🇴 KONE AKSJESELSKAP

350 employees886.3M NOK

Global leader shaping city futures via vertical transportation solutions and services.

50

🇳🇴 LOS ELEKTRO AS

346 employees433.5M NOK

Leading Norwegian provider of electrical, marine, and energy technical services.

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