Oldest companies still trading in Trondheim
Active companies ranked by incorporation date — oldest first. The incorporation date is missing for some older companies in the register.
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
Incorporated
1
STIFTELSEN TRONDHJEMS HOSPITAL
org.nr 938658374 · Trondheim, Trøndelag · Active
13 Sep 1277
2
WAISENHUSSTIFTELSEN I TRONDHEIM
org.nr 964905754 · Trondheim, Trøndelag · Active
31 Dec 1635
3
DET KONGELIGE NORSKE VIDENSKABERS SELSKABS AKADEMI
org.nr 976065751 · Trondheim, Trøndelag · Active
31 Dec 1760
4
THOMAS ANGELLS STIFTELSER
org.nr 938662843 · Trondheim, Trøndelag · Active
1 Jan 1767
5
TRONDHJEMS BORGERLIGE REALSKOLE STI
org.nr 875372572 · Trondheim, Trøndelag · Active
18 Mar 1778
6
KLUBSELSKABET HARMONIEN
org.nr 938102562 · Trondheim, Trøndelag · Active
1 Feb 1813
7
SPAREBANK 1 SMN
org.nr 937901003 · Trondheim, Trøndelag · Active
26 May 1823
8
TRONDHJEMS ASYLSELSKAP STI
org.nr 975717771 · Trondheim, Trøndelag · Active
31 Dec 1827
9
TRONDHJEMS KUNSTFORENING
org.nr 971432098 · Trondheim, Trøndelag · Active
17 Dec 1845
10
HÅNDVERKERFORENINGEN I TRONDHEIM
org.nr 971473584 · Trondheim, Trøndelag · Active
21 Feb 1848
11
TRONDHEIM BEFALSFORENING
org.nr 993634530 · Trondheim, Trøndelag · Active
1 Jan 1850
12
TRONDHJEMS ARBEIDERFORENING
org.nr 971084170 · Trondheim, Trøndelag · Active
27 Oct 1850
13
NIDAROS SPAREBANK
org.nr 937902719 · Trondheim, Trøndelag · Active
1 Jan 1857
14
TRONDHJEMS TURNFORENING
org.nr 971432101 · Trondheim, Trøndelag · Active
14 Feb 1858
15
SJØBADET I TRONDHEIM
org.nr 995411016 · Trondheim, Trøndelag · Active
4 Mar 1858
16
TRØNDERNES MANDSSANGFORENING
org.nr 974265788 · Trondheim, Trøndelag · Active
7 Mar 1858
17
NÆRINGSFORENINGEN I TRONDHEIMSREGIONEN MID-NORWAY CHAMBER OF COMMERCE AND INDUSTRY
org.nr 938547955 · Trondheim, Trøndelag · Active
17 Feb 1862
18
AS UNDALS VERK
org.nr 931100033 · Trondheim, Trøndelag · Active
27 Dec 1865
19
NORKIRKEN TRONDHEIM
org.nr 952739344 · Trondheim, Trøndelag · Active
31 Dec 1865
20
DDB AS
org.nr 810969652 · Trondheim, Trøndelag · Active
10 Feb 1868
21
TOLLKASSERER A C SCHULTS LEGAT STI
org.nr 982820383 · Trondheim, Trøndelag · Active
31 May 1870
22
KLÆBU SKYTTERLAG
org.nr 992716630 · Trondheim, Trøndelag · Active
1 Jan 1872
23
STIFTELSEN FRIDHEIM
org.nr 964897484 · Trondheim, Trøndelag · Active
18 Aug 1872
24
TRONDHEIM BAPTISTMENIGHET
org.nr 938977224 · Trondheim, Trøndelag · Active
31 Dec 1872
25
OLE AAS AS
org.nr 910050702 · Trondheim, Trøndelag · Active
1 Jan 1874
26
TRONDHJEMS SKØITEKLUB HOVEDLAGET
org.nr 984384327 · Trondheim, Trøndelag · Active
24 Feb 1876
27
BYNESET SKYTTERLAG UNGDOM
org.nr 983982077 · Trondheim, Trøndelag · Active
3 Apr 1877
28
BYNESET SKYTTERLAG
org.nr 983977340 · Trondheim, Trøndelag · Active
3 Apr 1877
29
TRØNDELAG HANDEL OG KONTOR AVD. 1
org.nr 975728722 · Trondheim, Trøndelag · Active
14 Dec 1879
30
STIFTELSEN TRONDHJEMS FISKERISELSKAB 1880
org.nr 938658285 · Trondheim, Trøndelag · Active
31 Dec 1880
31
METODISTKIRKEN I NORGE, TRONDHEIM MENIGHET
org.nr 998133661 · Trondheim, Trøndelag · Active
6 Nov 1881
32
LOSJE MORGENSTJERNEN
org.nr 971377879 · Trondheim, Trøndelag · Active
15 Nov 1881
33
ST. JOHANNESLOGEN ST OLAF TIL DET GJENREISTE TEMPEL
org.nr 990962200 · Trondheim, Trøndelag · Active
16 Dec 1881
34
ST. JOHANNESLOGEN NORDLYSET
org.nr 992025204 · Trondheim, Trøndelag · Active
11 Jan 1883
35
TRONDHEIM HØYRE
org.nr 919458135 · Trondheim, Trøndelag · Active
24 Jan 1883
36
STEINKJER HØYRE
org.nr 819320942 · Trondheim, Trøndelag · Active
1 Sep 1883
37
TRONDHJEMS SKIKLUB
org.nr 982694655 · Trondheim, Trøndelag · Active
27 Jan 1884
38
STIFTELSEN DYREBESKYTTELSEN TRONDHEIM OG OMEGN
org.nr 940443237 · Trondheim, Trøndelag · Active
31 Dec 1884
39
TRONDHJEMS VELOCIPEDKLUB - TVK
org.nr 979611552 · Trondheim, Trøndelag · Active
29 Apr 1885
40
NIDAROS SKYTTERLAG
org.nr 986025979 · Trondheim, Trøndelag · Active
15 May 1885
41
TRONDHEIM JERNBANEKOR
org.nr 983907644 · Trondheim, Trøndelag · Active
11 Dec 1885
42
BYNESET STATSALLMENNING
org.nr 930724033 · Trondheim, Trøndelag · Active
31 Dec 1885
43
HAUKAAS STATSALLMENNING
org.nr 811689432 · Trondheim, Trøndelag · Active
31 Dec 1885
44
BYNESET NORMISJON
org.nr 931363735 · Trondheim, Trøndelag · Active
6 Jan 1886
45
LEINSTRAND IDRETTSLAG
org.nr 983847455 · Trondheim, Trøndelag · Active
17 Jan 1886
46
NORD-TRØNDELAG LEGEFORENING
org.nr 993893919 · Trondheim, Trøndelag · Active
6 Jul 1886
47
ESP BEDEHUS
org.nr 812068822 · Trondheim, Trøndelag · Active
21 Apr 1887
48
TRONDHJEMS TURISTFORENING
org.nr 911184354 · Trondheim, Trøndelag · Active
16 Dec 1887
49
E STENDAHL OG HUSTRU CAROLINE STENDAHLS LEGAT STI
org.nr 993861227 · Trondheim, Trøndelag · Active
26 May 1888
50
FELLESFORBUNDET AVD 762 BYGGFAG TRONDHEIM
org.nr 988823503 · Trondheim, Trøndelag · Active
1 Jul 1888
51
BAKER- OG KONDITORSVENNENES FORENING
org.nr 989559206 · Trondheim, Trøndelag · Active
1 Jan 1890
52
ENKEFRU FREDRIKKE PARELIUS LEGAT STI
org.nr 964904138 · Trondheim, Trøndelag · Active
2 Feb 1892
53
MALERNES FORENING
org.nr 971083514 · Trondheim, Trøndelag · Active
17 Apr 1893
54
KONDUKTØRFORENINGEN SJ NORD
org.nr 977358663 · Trondheim, Trøndelag · Active
15 May 1893
55
SØR-TRØNDELAG TANNLEGEFORENING
org.nr 975729885 · Trondheim, Trøndelag · Active
28 Sep 1893
56
LOKOMOTIVPERSONALETS FORENING TRONDEHIM
org.nr 975698173 · Trondheim, Trøndelag · Active
1 Oct 1893
57
TRONDHEIM ARBEIDERPARTI
org.nr 922361835 · Trondheim, Trøndelag · Active
5 Nov 1893
58
BYAASEN SKIKLUB
org.nr 985148384 · Trondheim, Trøndelag · Active
3 Dec 1893
59
STIFTELSEN NORDENFJELDSKE KUNSTINDUSTRIMUSEUM
org.nr 971434007 · Trondheim, Trøndelag · Active
31 Dec 1893
60
TROLLA IDRETTSLAG
org.nr 975730107 · Trondheim, Trøndelag · Active
31 Dec 1894
61
SELSBAKK OG ROMOLSLIA ARBEIDERLAG
org.nr 815082052 · Trondheim, Trøndelag · Active
5 Jan 1895
62
POLITIETS FELLESFORBUND TRØNDELAG
org.nr 981257294 · Trondheim, Trøndelag · Active
31 Jan 1895
63
RANHEIM ARBEIDER SAMFUNN
org.nr 916028962 · Trondheim, Trøndelag · Active
23 Mar 1895
64
SELSKABET FOR TRONDHJEM BYS VEL
org.nr 916494009 · Trondheim, Trøndelag · Active
4 Sep 1895
65
TRONDHJEM KJØTTINDUSTRIARBEIDER- FORENING
org.nr 989406418 · Trondheim, Trøndelag · Active
26 Sep 1895
66
TRONDHJEMS SEILFORENING
org.nr 981556518 · Trondheim, Trøndelag · Active
31 Dec 1895
67
TRONDHJEM SANITETSFORENING
org.nr 971377933 · Trondheim, Trøndelag · Active
10 Nov 1896
68
TRONDHJEMS HAANDVÆRKS- OG INDUSTRIFORENINGS FOND STI
org.nr 975383040 · Trondheim, Trøndelag · Active
21 Feb 1897
69
FRIIMURERNES SANGFORENING AF 1897 TRONDHJEM
org.nr 935190029 · Trondheim, Trøndelag · Active
1 Oct 1897
70
HANDELSREISENDES FORENING TRONDHEIM
org.nr 987622547 · Trondheim, Trøndelag · Active
28 Dec 1897
71
NIDAROS MÅLLAG
org.nr 985702160 · Trondheim, Trøndelag · Active
31 Dec 1897
72
ALLIANCE FRANCAISE DE TRONDHEIM
org.nr 993084883 · Trondheim, Trøndelag · Active
1 Jan 1898
73
DE UNGES HÅP
org.nr 994820036 · Trondheim, Trøndelag · Active
1 Jan 1898
74
SPORTSKLUBBEN RAPP
org.nr 984089325 · Trondheim, Trøndelag · Active
15 Apr 1898
75
NORGES DØVEFORBUND TRONDHEIM
org.nr 971437782 · Trondheim, Trøndelag · Active
31 Oct 1898
76
TPC Eiendom A/S
org.nr 916891512 · Trondheim, Trøndelag · Active
15 Nov 1898
77
STIFTELSEN SKOLESKIBET TORDENSKIOLD
org.nr 970892028 · Trondheim, Trøndelag · Active
1 Jan 1899
78
LARSEN VEKST AS
org.nr 924707852 · Trondheim, Trøndelag · Active
11 Dec 1899
79
TRØNDELAG FORSVARSFORENING
org.nr 929979184 · Trondheim, Trøndelag · Active
1 Jan 1900
80
AS OLAV TRYGGVASSONSG 17
org.nr 931521330 · Trondheim, Trøndelag · Active
17 Jan 1900
81
FOTBALLKLUBBEN KVIK
org.nr 983915477 · Trondheim, Trøndelag · Active
6 Oct 1900
82
KLÆBU HAGELAG
org.nr 923307249 · Trondheim, Trøndelag · Active
31 Dec 1900
83
RANHEIM IDRETTSLAG
org.nr 975605140 · Trondheim, Trøndelag · Active
17 Feb 1901
84
DANSK FORENING DANA
org.nr 993856509 · Trondheim, Trøndelag · Active
3 Mar 1901
85
ELEKTROARBEIDERNES FAGFORENING TRØNDELAG
org.nr 971083190 · Trondheim, Trøndelag · Active
6 Aug 1901
86
BYNESET IL
org.nr 983930662 · Trondheim, Trøndelag · Active
1 Dec 1901
87
ST. ANDREASLOGEN ST. EYSTEIN
org.nr 917687110 · Trondheim, Trøndelag · Active
14 Jul 1902
88
TRONDHJEMS ARKITEKTFORENING
org.nr 992117044 · Trondheim, Trøndelag · Active
17 Dec 1902
89
TRONDHJEMS MASKINISTFORENING
org.nr 946097624 · Trondheim, Trøndelag · Active
9 Jan 1903
90
TRONDHEIM FRISØR OG VELVÆRELAUG
org.nr 915235476 · Trondheim, Trøndelag · Active
14 Jun 1903
91
SPORTSKLUBBEN FREIDIG
org.nr 937450761 · Trondheim, Trøndelag · Active
13 Oct 1903
92
LUKAS STIFTELSEN
org.nr 953557088 · Trondheim, Trøndelag · Active
31 Dec 1903
93
SØR-TRØNDELAG SKIKRETS
org.nr 971377771 · Trondheim, Trøndelag · Active
3 Jan 1904
94
NEADALSLAGET
org.nr 912703959 · Trondheim, Trøndelag · Active
1 Mar 1905
95
TRONDHEIM RØDE KORS
org.nr 970529438 · Trondheim, Trøndelag · Active
22 Sep 1905
96
NFF TRØNDELAG
org.nr 970415408 · Trondheim, Trøndelag · Active
28 Sep 1905
97
DEN KONGELIGE HUUSORDEN HYLLKAKA
org.nr 921093721 · Trondheim, Trøndelag · Active
13 Oct 1905
98
TRØNDELAG GARTNERFORENING
org.nr 916195656 · Trondheim, Trøndelag · Active
19 Apr 1906
99
TRONDHJEMS KOBBER & BLIKKENSLAGERLAUG
org.nr 988300829 · Trondheim, Trøndelag · Active
20 Apr 1906
100
TRONDHJEMS TENNISKLUBB
org.nr 975605531 · Trondheim, Trøndelag · Active
25 Apr 1906
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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.