Largest employers by headcount in Bygge- og anleggsvirksomhet
Ranked by registered headcount.
Largest by revenue
Most profitable
Highest operating margin
Revenue per employee
Operating profit per employee
Payroll cost per employee
Largest equity
Largest groups
Largest employers
Newly registered companies
Oldest companies
#
Company
Employees
1
BANE NOR SF
org.nr 917082308 · Oslo, Oslo · Active
5,591
2
BRAVIDA NORGE AS
org.nr 987582561 · Oslo, Oslo · Active
3,304
3
SKANSKA NORGE AS
org.nr 943049467 · Oslo, Oslo · Active
2,853
4
VEIDEKKE ENTREPRENØR AS
org.nr 984024290 · Oslo, Oslo · Active
2,851
5
GK NORGE AS
org.nr 915892981 · Oslo, Oslo · Active
1,860
6
CAVERION NORGE AS
org.nr 959069743 · Oslo, Oslo · Active
1,827
7
MESTA AS
org.nr 992804440 · Oslo, Oslo · Active
1,584
8
AF GRUPPEN NORGE AS
org.nr 938333572 · Oslo, Oslo · Active
1,459
9
HENT AS
org.nr 990749655 · Trondheim, Trøndelag · Active
1,357
10
HÆHRE ENTREPRENØR AS
org.nr 986420010 · Modum, Buskerud · Active
1,045
11
RECOVER AS
org.nr 995761440 · Oslo, Oslo · Active
991
12
OCAB AS
org.nr 916326211 · Bærum, Akershus · Active
913
13
VELOX ELECTRO NORDICS AS
org.nr 914719313 · Grimstad, Agder · Active
865
14
VARME & BAD AS
org.nr 991603344 · Stavanger, Rogaland · Active
859
15
NCC NORGE AS
org.nr 911274426 · Oslo, Oslo · Active
760
16
VASSBAKK & STOL AS
org.nr 927048841 · Karmøy, Rogaland · Active
759
17
STS-ISONOR AS
org.nr 991750282 · Bergen, Vestland · Active
725
18
FIRESAFE AS
org.nr 958249799 · Lørenskog, Akershus · Active
713
19
STANGELAND MASKIN AS
org.nr 935861330 · Sola, Rogaland · Active
698
20
BANESERVICE AS
org.nr 986392912 · Oslo, Oslo · Active
684
21
ASSEMBLIN AS
org.nr 965808752 · Oslo, Oslo · Active
680
22
LEONHARD NILSEN & SØNNER AS
org.nr 937843771 · Andøy, Nordland · Active
658
23
ONECO ELEKTRO AS
org.nr 996669173 · Oslo, Oslo · Active
617
24
ONECO NETWORKS AS
org.nr 987210001 · Oslo, Oslo · Active
608
25
NSE FAGSTILLAS AS
org.nr 954901300 · Arendal, Agder · Active
578
26
RISA AS
org.nr 980404129 · Hå, Rogaland · Active
577
27
CONSTO AS
org.nr 995754606 · Tromsø, Troms · Active
553
28
ELTEL NETWORKS AS
org.nr 912955915 · Oslo, Oslo · Active
538
29
PRESIS VEGDRIFT AS
org.nr 914888794 · Bergen, Vestland · Active
528
30
NSE INDUSTRIER AS
org.nr 982820685 · Stavanger, Rogaland · Active
516
31
IMPLENIA NORGE AS
org.nr 980332977 · Bærum, Akershus · Active
487
32
URBAN REUSE NORWAY AS
org.nr 988943312 · Asker, Akershus · Active
486
33
SOTRA LINK CONSTRUCTION JV ANS
org.nr 928890961 · Bergen, Vestland · Active
480
34
GRANITOR ELECTRO AS
org.nr 897688182 · Drammen, Buskerud · Active
463
35
PEAB BYGG AS
org.nr 943672520 · Tromsø, Troms · Active
412
36
HITACHI ENERGY NORWAY AS
org.nr 921186061 · Oslo, Oslo · Active
402
37
ANLEGG ØST ENTREPRENØR AS
org.nr 911866773 · Lillehammer, Innlandet · Active
386
38
NRC NORGE AS
org.nr 914601290 · Bærum, Akershus · Active
353
39
METROSTAV NORGE AS
org.nr 924549092 · Bærum, Akershus · Active
353
40
KONE AKSJESELSKAP
org.nr 918201548 · Oslo, Oslo · Active
351
41
LOS ELEKTRO AS
org.nr 978632378 · Bømlo, Vestland · Active
348
42
HELGEVOLD AS
org.nr 986389180 · Vindafjord, Rogaland · Active
333
43
MARTHINSEN & DUVHOLT AS
org.nr 980416976 · Sandefjord, Vestfold · Active
324
44
NETEL AS
org.nr 983096514 · Oslo, Oslo · Active
322
45
INFRATEK NORGE AS
org.nr 984277032 · Oslo, Oslo · Active
319
46
CRANE NORWAY VEST AS
org.nr 923079718 · Sandnes, Rogaland · Active
313
47
XERVON NORWAY AS
org.nr 987408170 · Lørenskog, Akershus · Active
311
48
BD SERVICE AS
org.nr 927485508 · Ås, Akershus · Active
301
49
RELOKATOR AS
org.nr 913141784 · Oslo, Oslo · Active
300
50
SERVICEALLIANSEN AS
org.nr 957246575 · Bergen, Vestland · Active
296
51
RECO BYGG OG SKADETEKNIKK AS
org.nr 986559000 · Bærum, Akershus · Active
295
52
CONSOLVO AS
org.nr 944024875 · Lier, Buskerud · Active
289
53
TRAFTEC AS
org.nr 897603632 · Arendal, Agder · Active
284
54
JM NORGE AS
org.nr 829350122 · Oslo, Oslo · Active
280
55
EIFFAGE GENIE CIVIL NUF
org.nr 926049860 · Porsgrunn, Telemark · Active
277
56
NETTPARTNER AS
org.nr 998407567 · Bærum, Akershus · Active
275
57
VINDE TILKOMSTTEKNIKK AS
org.nr 916622511 · Trondheim, Trøndelag · Active
273
58
OTERA INFRA AS
org.nr 995845067 · Kristiansand, Agder · Active
267
59
HAALAND AS
org.nr 920520146 · Rana, Nordland · Active
266
60
TT ANLEGG AS
org.nr 916687435 · Lindesnes, Agder · Active
261
61
ISACHSEN ANLEGG AS
org.nr 970999507 · Drammen, Buskerud · Active
261
62
TECA AS
org.nr 983246702 · Bømlo, Vestland · Active
260
63
NORDIC CRANE AS
org.nr 951275824 · Lillestrøm, Akershus · Active
259
64
BRYN BYGGKLIMA AS
org.nr 984005288 · Asker, Akershus · Active
258
65
SARTOR & DRANGE AS
org.nr 957213219 · Øygarden, Vestland · Active
251
66
PARK & ANLEGG AS
org.nr 982382955 · Sarpsborg, Østfold · Active
251
67
MULTI MARINE AS
org.nr 984098901 · Averøy, Møre og Romsdal · Active
250
68
VASSNES POWER AS
org.nr 998879779 · Vindafjord, Rogaland · Active
245
69
BYGGIMPULS AS
org.nr 987975105 · Aurskog-høland, Akershus · Active
244
70
SIG HALVORSEN AS
org.nr 976700376 · Sandnes, Rogaland · Active
241
71
TRATEC TEKNIKKEN AS
org.nr 990518831 · Farsund, Agder · Active
239
72
SOLID ENTREPRENØR AS
org.nr 977265525 · Fredrikstad, Østfold · Active
237
73
ARITECH AS
org.nr 984072325 · Stord, Vestland · Active
237
74
LEIF GRIMSRUD AS
org.nr 832516902 · Halden, Østfold · Active
237
75
RØNNING ELEKTRO AS
org.nr 915581714 · Stavanger, Rogaland · Active
232
76
OBOS BLOCK WATNE ENTREPRENØR AS
org.nr 930061212 · Oslo, Oslo · Active
232
77
TVERÅS MASKIN & TRANSPORT AS
org.nr 958324014 · Stjørdal, Trøndelag · Active
232
78
AF ELKRAFT AS
org.nr 916036930 · Bergen, Vestland · Active
231
79
RUTA ENTREPRENØR AS
org.nr 983830196 · Trondheim, Trøndelag · Active
231
80
STENSETH & RS ENTREPRENØR AS
org.nr 985210632 · Asker, Akershus · Active
228
81
INGENIØR IVAR PETTERSEN AS
org.nr 961773490 · Drammen, Buskerud · Active
227
82
JM HANSEN MIDT AS
org.nr 992090006 · Steinkjer, Trøndelag · Active
227
83
LAJE AS
org.nr 920465536 · Hamar, Innlandet · Active
224
84
TURBOCONSTROI NORGE AS
org.nr 913479157 · Eidsvoll, Akershus · Active
224
85
VINTERVOLL AS
org.nr 929314832 · Trondheim, Trøndelag · Active
223
86
LAB ENTREPRENØR AS
org.nr 995802392 · Bergen, Vestland · Active
220
87
SITE SERVICE AS
org.nr 996427544 · Nittedal, Akershus · Active
219
88
VIVASERVE AS
org.nr 933603628 · Bamble, Telemark · Active
215
89
BRØDRENE ULVESETH AS
org.nr 990269068 · Bergen, Vestland · Active
213
90
BLU ELECTRO AS
org.nr 925323276 · Stavanger, Rogaland · Active
213
91
SØBSTAD AS
org.nr 921231849 · Trondheim, Trøndelag · Active
211
92
AV BYGG AS
org.nr 931019724 · Nord-aurdal, Innlandet · Active
211
93
NORDASFALT AS
org.nr 950501480 · Bodø, Nordland · Active
205
94
KRØDEREN ELEKTRO AS
org.nr 941163343 · Krødsherad, Buskerud · Active
204
95
NORDBY MASKIN AS
org.nr 957804438 · Nannestad, Akershus · Active
200
96
BACKE ROGALAND AS
org.nr 992352612 · Sola, Rogaland · Active
199
97
NORDISK FJELLSIKRING AS
org.nr 893517952 · Larvik, Vestfold · Active
199
98
JOHS J SYLTERN AS
org.nr 816510872 · Åfjord, Trøndelag · Active
199
99
DOCKTECH AS
org.nr 922382662 · Oslo, Oslo · Active
197
100
NYE VEIER AS
org.nr 915488099 · Kristiansand, Agder · Active
195
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Source
Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.
The list is ranked on the most recently reported financial figures. See method and caveats below.
These lists show actual registered figures from public sources (the Brønnøysund registers). They are not an assessment of creditworthiness, solidity or suitability as a customer, supplier or investment. Figures are for the most recently reported financial year.