Largest companies by revenue in Telemark
Ranked by the most recently reported operating revenue.
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
Amount
1
ERAMET NORWAY AS
org.nr 980518647 · Porsgrunn, Telemark · Active
NOK 7.4bn
2
ABB ELECTRIFICATION NORWAY AS
org.nr 921186037 · Skien, Telemark · Active
NOK 4.9bn
3
SKAGERAK KRAFT AS
org.nr 979563531 · Porsgrunn, Telemark · Active
NOK 3.9bn
4
INOVYN NORGE AS
org.nr 981701046 · Bamble, Telemark · Active
NOK 2.4bn
5
STENA RECYCLING AS
org.nr 983594506 · Porsgrunn, Telemark · Active
NOK 2.3bn
6
BILFINGER NORWAY AS
org.nr 988996564 · Porsgrunn, Telemark · Active
NOK 2.3bn
7
LEDE AS
org.nr 979422679 · Porsgrunn, Telemark · Active
NOK 2.2bn
8
INEOS SALES NORGE AS
org.nr 991191801 · Bamble, Telemark · Active
NOK 1.8bn
9
NK ENERGI AS
org.nr 925750638 · Porsgrunn, Telemark · Active
NOK 1.5bn
10
INEOS RAFNES AS
org.nr 982726387 · Bamble, Telemark · Active
NOK 1.2bn
11
NEL HYDROGEN ELECTROLYSER AS
org.nr 912185877 · Notodden, Telemark · Active
NOK 1.0bn
12
ISOLA AS
org.nr 928764745 · Porsgrunn, Telemark · Active
NOK 953.4m
13
EMERSON AUTOMATION SOLUTIONS AS
org.nr 948310716 · Porsgrunn, Telemark · Active
NOK 833.0m
14
PROSHOP AS
org.nr 876143712 · Midt-telemark, Telemark · Active
NOK 819.2m
15
SELTOR AS
org.nr 915617344 · Porsgrunn, Telemark · Active
NOK 787.7m
16
GUMPENS AUTO GRENLAND AS
org.nr 918506519 · Porsgrunn, Telemark · Active
NOK 675.1m
17
ULEFOS AS
org.nr 981083032 · Nome, Telemark · Active
NOK 646.1m
18
ADDCON NORDIC AS
org.nr 988774677 · Porsgrunn, Telemark · Active
NOK 606.8m
19
NORTHERN DATA NOR AS
org.nr 925207950 · Notodden, Telemark · Active
NOK 554.5m
20
INEOS BAMBLE AS
org.nr 968144405 · Bamble, Telemark · Active
NOK 551.0m
21
SOLBERG BIL AS
org.nr 928103277 · Skien, Telemark · Active
NOK 528.0m
22
REDO BIOSOLUTIONS AS
org.nr 984238126 · Porsgrunn, Telemark · Active
NOK 510.3m
23
INFLOWCONTROL AS
org.nr 996957691 · Porsgrunn, Telemark · Active
NOK 501.1m
24
ALF JOHANSEN AS
org.nr 910402722 · Seljord, Telemark · Active
NOK 487.9m
25
AUTOSTRADA PORSGRUNN AS
org.nr 980775747 · Porsgrunn, Telemark · Active
NOK 479.4m
26
NORSK PUKKSERVICE AS
org.nr 992614412 · Bamble, Telemark · Active
NOK 476.9m
27
OPTIME SUBSEA AS
org.nr 988810401 · Notodden, Telemark · Active
NOK 411.3m
28
GRENLAND RAIL AS
org.nr 830036032 · Skien, Telemark · Active
NOK 400.6m
29
BYPOST AS
org.nr 989383167 · Skien, Telemark · Active
NOK 394.0m
30
MOBILE SKIEN AS
org.nr 861151972 · Skien, Telemark · Active
NOK 389.1m
31
KEBONY NORGE AS
org.nr 979446276 · Skien, Telemark · Active
NOK 388.8m
32
ERIK TANCHE NILSSEN AS
org.nr 819075832 · Skien, Telemark · Active
NOK 368.7m
33
VEST-TELEMARK KRAFTLAG AS
org.nr 955996836 · Tokke, Telemark · Active
NOK 364.0m
34
HÖGANÄS BORGESTAD AS
org.nr 913936175 · Skien, Telemark · Active
NOK 361.1m
35
LAUGSTOL AS
org.nr 964715378 · Porsgrunn, Telemark · Active
NOK 356.9m
36
HRL ENTREPRENØR AS
org.nr 987259760 · Porsgrunn, Telemark · Active
NOK 355.9m
37
AGILITY AS
org.nr 982732638 · Skien, Telemark · Active
NOK 343.7m
38
HYBEKO AS
org.nr 991729380 · Skien, Telemark · Active
NOK 343.6m
39
ROMNES AS
org.nr 964348596 · Skien, Telemark · Active
NOK 341.4m
40
TS GROUP AS
org.nr 988251399 · Porsgrunn, Telemark · Active
NOK 333.5m
41
Håkanes Maskin A/S
org.nr 946054224 · Tinn, Telemark · Active
NOK 318.5m
42
PCP AS
org.nr 919407077 · Porsgrunn, Telemark · Active
NOK 316.2m
43
WESTCONTROL BERGET AS
org.nr 945662506 · Notodden, Telemark · Active
NOK 307.2m
44
SPOT AS
org.nr 821116422 · Skien, Telemark · Active
NOK 299.7m
45
C. CHRISTOFFERSEN AS
org.nr 985174431 · Skien, Telemark · Active
NOK 288.9m
46
RTC CONSULTANCY AS
org.nr 918523480 · Skien, Telemark · Active
NOK 264.2m
47
SKAGERAK ENERGITJENESTER AS
org.nr 929369491 · Porsgrunn, Telemark · Active
NOK 259.4m
48
HIP EIENDOM AS
org.nr 998509300 · Porsgrunn, Telemark · Active
NOK 254.7m
49
TELEMARK TAXI AS
org.nr 986940006 · Skien, Telemark · Active
NOK 251.7m
50
BANDAK AS
org.nr 916242220 · Nome, Telemark · Active
NOK 243.5m
51
N.C. NIELSEN AS
org.nr 982410347 · Porsgrunn, Telemark · Active
NOK 241.7m
52
BLÅ KORS KLINIKK SKIEN AS
org.nr 971450231 · Skien, Telemark · Active
NOK 241.1m
53
TIPP TRANSPORT AS
org.nr 979326416 · Porsgrunn, Telemark · Active
NOK 229.2m
54
RESERVOIR FARADAY AS
org.nr 925239739 · Skien, Telemark · Active
NOK 227.7m
55
MAXETA AS
org.nr 864425402 · Skien, Telemark · Active
NOK 226.3m
56
RESERVOIR STURGEON AS
org.nr 925020443 · Skien, Telemark · Active
NOK 225.8m
57
SKORVE ENTREPRENØR AS
org.nr 996369609 · Seljord, Telemark · Active
NOK 224.8m
58
BAKEVERKET AS
org.nr 992126191 · Porsgrunn, Telemark · Active
NOK 221.8m
59
TOR ENTREPRENØR AS
org.nr 982845475 · Skien, Telemark · Active
NOK 221.8m
60
RTC OFFSHORE AS
org.nr 913164776 · Skien, Telemark · Active
NOK 216.3m
61
PALLA PHARMA NORWAY AS
org.nr 918275452 · Kragerø, Telemark · Active
NOK 213.2m
62
TINFOS AS
org.nr 916763476 · Notodden, Telemark · Active
NOK 208.2m
63
STAR BIL AS
org.nr 995494698 · Skien, Telemark · Active
NOK 205.9m
64
BRUBAKKEN AS
org.nr 930730556 · Porsgrunn, Telemark · Active
NOK 197.7m
65
NOTODDEN ENERGI AS
org.nr 999263798 · Notodden, Telemark · Active
NOK 197.0m
66
VAFOS PULP AS
org.nr 999256813 · Kragerø, Telemark · Active
NOK 192.1m
67
ELEKTRO 4 AS
org.nr 881489392 · Skien, Telemark · Active
NOK 192.0m
68
HYDROGENPRO ASA
org.nr 912305198 · Porsgrunn, Telemark · Active
NOK 191.6m
69
KRANRINGEN AS
org.nr 953069466 · Skien, Telemark · Active
NOK 189.8m
70
TELEFRUKT AS
org.nr 970983503 · Midt-telemark, Telemark · Active
NOK 189.7m
71
TELEMARK ENERGI PRODUKSJON AS
org.nr 963022158 · Nome, Telemark · Active
NOK 188.2m
72
AARSLEFF FUNDAMENTERING & BORING AS
org.nr 990405700 · Nome, Telemark · Active
NOK 187.5m
73
MORGAN AS
org.nr 998179327 · Drangedal, Telemark · Active
NOK 186.3m
74
SAGA MAT AS
org.nr 882963632 · Skien, Telemark · Active
NOK 183.3m
75
SYSTEMBLOKK AS
org.nr 913289951 · Midt-telemark, Telemark · Active
NOK 183.0m
76
G. COWARD AS
org.nr 929683943 · Skien, Telemark · Active
NOK 181.6m
77
DNV IMATIS AS
org.nr 963310439 · Porsgrunn, Telemark · Active
NOK 177.9m
78
PORSGRUNN RETAIL AS
org.nr 922704619 · Porsgrunn, Telemark · Active
NOK 177.1m
79
NORSJØKRAFT AS
org.nr 998890314 · Nome, Telemark · Active
NOK 175.4m
80
GAUSTA SKI & RESORT AS
org.nr 891680422 · Tinn, Telemark · Active
NOK 175.1m
81
SØR ENTREPRENØR AS
org.nr 922846278 · Tokke, Telemark · Active
NOK 174.9m
82
TNETT AS
org.nr 925803375 · Tokke, Telemark · Active
NOK 171.3m
83
NORICE SEAFOOD AS
org.nr 987308362 · Midt-telemark, Telemark · Active
NOK 171.0m
84
BJORSTADDALEN NÆRING AS
org.nr 914335329 · Skien, Telemark · Active
NOK 167.4m
85
TROSVIK AS
org.nr 999080669 · Porsgrunn, Telemark · Active
NOK 166.5m
86
THRACE POLYBULK AS
org.nr 983435963 · Porsgrunn, Telemark · Active
NOK 165.3m
87
WIENERBERGER AS
org.nr 982579252 · Nome, Telemark · Active
NOK 164.0m
88
KARS NENSET AS
org.nr 998064996 · Skien, Telemark · Active
NOK 163.1m
89
BLUEGREEN FUSION AS
org.nr 926128736 · Bamble, Telemark · Active
NOK 162.8m
90
HELLA MASKIN AS
org.nr 968658999 · Bamble, Telemark · Active
NOK 161.1m
91
NORSK SKOGRYDDING AS
org.nr 920997082 · Drangedal, Telemark · Active
NOK 160.9m
92
BRUNVOLL MAR-EL AS
org.nr 914192137 · Tokke, Telemark · Active
NOK 160.3m
93
Brødrene Alseth A/S
org.nr 919908254 · Tinn, Telemark · Active
NOK 159.4m
94
AUTOSTRADA SELJORD AS
org.nr 927975564 · Seljord, Telemark · Active
NOK 157.7m
95
HAUK SVEINSSON AS
org.nr 976252713 · Skien, Telemark · Active
NOK 157.3m
96
TINN ENERGI OG FIBER AS
org.nr 982173329 · Tinn, Telemark · Active
NOK 157.1m
97
UNIVERS AS
org.nr 917213372 · Porsgrunn, Telemark · Active
NOK 155.9m
98
ELTECO AS
org.nr 988638897 · Porsgrunn, Telemark · Active
NOK 155.8m
99
TIPP FRAKT AS
org.nr 925793701 · Porsgrunn, Telemark · Active
NOK 155.4m
100
GUMPENS AUTO NOTODDEN AS
org.nr 976910915 · Notodden, Telemark · Active
NOK 154.7m
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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.