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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

5,592 employees17.8B NOK

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

2

🇳🇴 VEIDEKKE ENTREPRENØR AS

2,876 employees15.8B NOK

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

3

🇳🇴 SKANSKA NORGE AS

2,848 employees15B NOK

Leading group developing and building sustainable infrastructure and properties.

4

🇳🇴 GK NORGE AS

1,877 employees4.7B NOK

Leading Scandinavian technical contractor delivering smart building solutions sustainably.

5

🇳🇴 HENT AS

1,356 employees9B NOK

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

6

🇳🇴 HÆHRE ENTREPRENØR AS

1,043 employees4.7B NOK

Leading Norwegian contractor building vital national infrastructure projects.

7

🇳🇴 OCAB AS

926 employees1.7B NOK

Nationwide Norwegian company specializing in property damage limitation and restoration.

8

🇳🇴 VELOX ELECTRO NORDICS AS

814 employees430.1M NOK

Providing industrial automation and electrical services solutions across the Nordics.

9

🇳🇴 NCC NORGE AS

785 employees4.3B NOK

Leading Nordic construction and property development company managing complex projects.

10

🇳🇴 VASSBAKK & STOL AS

720 employees3B NOK

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

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11

🇳🇴 STANGELAND MASKIN AS

684 employees2.4B NOK

Leading Norwegian contractor specializing in major infrastructure projects.

12

🇳🇴 STS-ISONOR AS

682 employees768.2M NOK

Leading contractor for industrial maintenance and modification services.

13

🇳🇴 TRONDHEIM EIENDOM

654 employees

Manages and develops Trondheim Municipality's extensive property portfolio.

14

🇳🇴 ONECO NETWORKS AS

625 employees1.7B NOK

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

15

🇳🇴 ONECO ELEKTRO AS

621 employees1.6B NOK

Leading industrial group delivering critical infrastructure solutions across Norway.

16

🇳🇴 LEONHARD NILSEN & SØNNER AS

615 employees2.4B NOK

Global leader providing specialized heavy construction and infrastructure services.

17

🇳🇴 OSLOBYGG KF

601 employees

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

18

🇳🇴 RISA AS

575 employees2.1B NOK

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

19

🇳🇴 CONSTO AS

566 employees4.8B NOK

Leading Norwegian construction group specializing in building and infrastructure projects.

20

🇳🇴 ELTEL NETWORKS AS

546 employees1.3B NOK

Leading provider of critical infrastructure services for connectivity and power.

21

🇳🇴 PRESIS VEGDRIFT AS

535 employees2.6B NOK

Leading contractor maintaining public roads and infrastructure across Norway.

22

🇳🇴 Bergene Holm AS

498 employees2.1B NOK

Leading Norwegian producer of certified wood products for construction.

23

🇳🇴 URBAN REUSE NORWAY AS

490 employees955M NOK

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

24

🇳🇴 SIEMENS AS

488 employees2.4B NOK

Siemens provides industrial technology solutions and digital transformation services.

25

🇳🇴 SOTRA LINK CONSTRUCTION JV ANS

467 employees2.9B NOK

Digital platforms and tools for efficient construction and BIM management.

26

🇳🇴 SCHNEIDER ELECTRIC NORGE AS

418 employees2.1B NOK

Global leader providing energy management and industrial automation solutions.

27

🇳🇴 HITACHI ENERGY NORWAY AS

396 employees2.2B NOK

Global leader powering sustainable energy future with grid technology.

28

🇳🇴 ANLEGG ØST ENTREPRENØR AS

390 employees988.9M NOK

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

29

🇳🇴 VERISURE AS

384 employees1.4B NOK

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

30

🇳🇴 NRC NORGE AS

362 employees1.4B NOK

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

31

🇳🇴 POLYGON AS

361 employees813.8M NOK

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

32

🇳🇴 KONE AKSJESELSKAP

352 employees886.3M NOK

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

33

🇳🇴 LOS ELEKTRO AS

347 employees433.5M NOK

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

34

🇳🇴 METROSTAV NORGE AS

345 employees1.1B NOK

Advanced Norwegian contractor specializing in tunnels and bridges infrastructure.

35

🇳🇴 MARTHINSEN & DUVHOLT AS

330 employees1.6B NOK

Complete civil engineering contractor building major Norwegian infrastructure projects.

36

🇳🇴 INFRATEK NORGE AS

318 employees900.7M NOK

Supplier of sustainable energy distribution solutions and infrastructure services globally.

37

🇳🇴 CRANE NORWAY VEST AS

314 employees891.8M NOK

Norway's leading provider of heavy lifting and transport services.

38

🇳🇴 SPENNCON AS

314 employees611.4M NOK

Norway's leading supplier of prefabricated concrete building systems.

39

🇳🇴 MOELVEN BYGGMODUL AS

309 employees1B NOK

Moelven is a major European wood products manufacturer and supplier.

40

🇳🇴 RELOKATOR AS

308 employees266.7M NOK

End-to-end professional corporate relocation and facility transition management services.

41

🇳🇴 EIFFAGE GENIE CIVIL NUF

307 employees2.6B NOK

Norwegian branch of a leading European construction and concessions group.

42

🇳🇴 SERVICEALLIANSEN AS

300 employees279.1M NOK

Nationwide Norwegian group specializing in insurance restoration and property services.

43

🇳🇴 TRAFTEC AS

291 employees999.5M NOK

Norway's leading electrical contractor building and operating smart road infrastructure.

44

🇳🇴 RECO BYGG OG SKADETEKNIKK AS

288 employees464.6M NOK

Nationwide Norwegian contractor specializing in property renovation and damage repair.

45

🇳🇴 JM NORGE AS

282 employees2.1B NOK

JM is a leading Nordic developer of sustainable residential properties.

46

🇳🇴 NETTPARTNER AS

279 employees887.1M NOK

Building and operating critical electrical and railway infrastructure nationwide.

47

🇳🇴 CONSOLVO AS

266 employees849.8M NOK

Solid contractor specializing in infrastructure, industry, and building maintenance.

48

🇳🇴 VINDE TILKOMSTTEKNIKK AS

261 employees391.2M NOK

Leading provider of specialized access technology services and industrial training.

49

🇳🇴 TT ANLEGG AS

258 employees976.1M NOK

Largest machine contractor in Southern Norway specializing in construction services.

50

🇳🇴 RIIS MONTASJE AS

256 employees488.7M NOK

Norway's largest auto glass chain offering expert repair and replacement services.

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