Highest operating margin in Porsgrunn
Operating profit as a percentage of revenue. Only companies with at least 5 employees and more than NOK 5m in 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
Operating margin
1
SKAGERAK KRAFT AS
org.nr 979563531 · Porsgrunn, Telemark · Active
74.0%
2
FUNNEMARK EIENDOM AS
org.nr 988661791 · Porsgrunn, Telemark · Active
64.9%
3
DENTO AS
org.nr 943159904 · Porsgrunn, Telemark · Active
55.8%
4
INFLOWCONTROL AS
org.nr 996957691 · Porsgrunn, Telemark · Active
46.8%
5
FRYD REGNSKAP AS
org.nr 928764044 · Porsgrunn, Telemark · Active
42.4%
6
SOLVANG REVISJON AS
org.nr 888048472 · Porsgrunn, Telemark · Active
36.0%
7
KORVETTEN TANNKLINIKK AS
org.nr 989049682 · Porsgrunn, Telemark · Active
30.8%
8
MURMESTER GULLIKSEN AS
org.nr 961560446 · Porsgrunn, Telemark · Active
28.9%
9
GAT-SHIP AS
org.nr 989126377 · Porsgrunn, Telemark · Active
27.8%
10
H. M. ALBRETSEN VERKTØYSIKRING AS
org.nr 985191743 · Porsgrunn, Telemark · Active
25.5%
11
STRIDSKLEV LEGEKONTOR AS
org.nr 922703590 · Porsgrunn, Telemark · Active
24.6%
12
PORSGRUNN PLASTIKKIRURGI AS
org.nr 899638832 · Porsgrunn, Telemark · Active
24.1%
13
DEKKSPESIALISTEN AS
org.nr 940171512 · Porsgrunn, Telemark · Active
23.8%
14
RUIS VARETAXI AS
org.nr 971006986 · Porsgrunn, Telemark · Active
23.5%
15
LARSEN BILSERVICE AS
org.nr 925244457 · Porsgrunn, Telemark · Active
23.5%
16
BRUBAKKEN RENTAL AS
org.nr 925231460 · Porsgrunn, Telemark · Active
22.4%
17
STABIL VARME SERVICE AS
org.nr 998726530 · Porsgrunn, Telemark · Active
22.3%
18
KULLTANGEN REGNSKAP AS
org.nr 896380532 · Porsgrunn, Telemark · Active
22.0%
19
VERDITAKSERING KJELL LARSEN AS
org.nr 921065981 · Porsgrunn, Telemark · Active
20.9%
20
LEDE AS
org.nr 979422679 · Porsgrunn, Telemark · Active
20.8%
21
REDO BIOSOLUTIONS AS
org.nr 984238126 · Porsgrunn, Telemark · Active
19.9%
22
BAZE TECHNOLOGY AS
org.nr 991658920 · Porsgrunn, Telemark · Active
19.2%
23
RANOLD AS
org.nr 985987483 · Porsgrunn, Telemark · Active
19.1%
24
AS BRANN OG SIKRINGSERVICE
org.nr 975955907 · Porsgrunn, Telemark · Active
18.6%
25
NORSK SPRINKLERTEKNIKK AS
org.nr 919847816 · Porsgrunn, Telemark · Active
18.6%
26
MPI HAGEPARTNER AS
org.nr 919203471 · Porsgrunn, Telemark · Active
18.1%
27
BLUE POWER AS
org.nr 927159260 · Porsgrunn, Telemark · Active
17.9%
28
ELTECO AS
org.nr 988638897 · Porsgrunn, Telemark · Active
17.3%
29
BAR & KJØKKEN AS
org.nr 915108229 · Porsgrunn, Telemark · Active
17.1%
30
TJENESTELEVERANDØREN AS
org.nr 917404801 · Porsgrunn, Telemark · Active
17.1%
31
EDGE BRANDING AS
org.nr 980429849 · Porsgrunn, Telemark · Active
16.4%
32
RABBENKROKEN BIL AS
org.nr 933119769 · Porsgrunn, Telemark · Active
16.1%
33
TANGO FRISØR GULSET AS
org.nr 922289638 · Porsgrunn, Telemark · Active
15.8%
34
NET AS
org.nr 990793840 · Porsgrunn, Telemark · Active
15.2%
35
PURENVIRO AS
org.nr 995633000 · Porsgrunn, Telemark · Active
15.1%
36
BYENS HJERTE AS
org.nr 929417747 · Porsgrunn, Telemark · Active
14.9%
37
KONTRAM AS
org.nr 984227949 · Porsgrunn, Telemark · Active
14.8%
38
ELTAVLE GRENLAND AS
org.nr 981117131 · Porsgrunn, Telemark · Active
14.7%
39
TKT INNEKLIMA AS
org.nr 923792333 · Porsgrunn, Telemark · Active
14.4%
40
MOTOR & GENERATOR SERVICE AS
org.nr 912533034 · Porsgrunn, Telemark · Active
14.2%
41
FOSS ELEKTRO AS
org.nr 985565619 · Porsgrunn, Telemark · Active
14.2%
42
GRENLAND BILBERGING AS
org.nr 916844026 · Porsgrunn, Telemark · Active
14.2%
43
TELEMARK HJERTESENTER AS
org.nr 918913831 · Porsgrunn, Telemark · Active
14.1%
44
EIDANGER AUTO AS
org.nr 994887041 · Porsgrunn, Telemark · Active
13.8%
45
PIZZA KOMPANIET AS
org.nr 919767324 · Porsgrunn, Telemark · Active
13.6%
46
THRACE POLYBULK AS
org.nr 983435963 · Porsgrunn, Telemark · Active
13.3%
47
STRESSMAN ENGINEERING AS
org.nr 996293955 · Porsgrunn, Telemark · Active
13.1%
48
NORTHSEA TERMINAL AS
org.nr 984642474 · Porsgrunn, Telemark · Active
12.6%
49
REGNSKAPSSERVICE AS
org.nr 921166389 · Porsgrunn, Telemark · Active
12.4%
50
PORSGRUNNS DAGBLAD AS
org.nr 919154519 · Porsgrunn, Telemark · Active
12.0%
51
TIPP TRANSPORT AS
org.nr 979326416 · Porsgrunn, Telemark · Active
12.0%
52
N.C. NIELSEN AS
org.nr 982410347 · Porsgrunn, Telemark · Active
11.5%
53
GODSTRANSPORT AS
org.nr 829030012 · Porsgrunn, Telemark · Active
11.4%
54
EUROBUS NORDIC AS
org.nr 921025653 · Porsgrunn, Telemark · Active
11.3%
55
BRUA SERVICENTER AS
org.nr 989310070 · Porsgrunn, Telemark · Active
11.3%
56
ECKHOLDT AS
org.nr 948191660 · Porsgrunn, Telemark · Active
11.2%
57
VMS PORSGRUNN AS
org.nr 986754199 · Porsgrunn, Telemark · Active
11.0%
58
JONS DEKK & FELG AS
org.nr 985553645 · Porsgrunn, Telemark · Active
11.0%
59
AUTOSTRADA X AS
org.nr 929361202 · Porsgrunn, Telemark · Active
11.0%
60
ØYA SPISERI AS
org.nr 914405173 · Porsgrunn, Telemark · Active
11.0%
61
AUTOSTRADA BILUTLEIE AS
org.nr 920393926 · Porsgrunn, Telemark · Active
10.9%
62
TRENDHUSET JANS KLÆR AS
org.nr 930570583 · Porsgrunn, Telemark · Active
10.5%
63
HANSEN BEGRAVELSESBYRÅ AS
org.nr 982768705 · Porsgrunn, Telemark · Active
10.3%
64
KELDA DYNAMICS AS
org.nr 912550206 · Porsgrunn, Telemark · Active
10.3%
65
MAXBO TEKNISKE TJENESTER AS
org.nr 924463163 · Porsgrunn, Telemark · Active
10.3%
66
ORDERX AS
org.nr 916690479 · Porsgrunn, Telemark · Active
10.3%
67
CONTROLPARTNER AS
org.nr 915828248 · Porsgrunn, Telemark · Active
10.2%
68
DUVERDEN AS
org.nr 990980896 · Porsgrunn, Telemark · Active
10.0%
69
ELTERA SKAGERRAK AS
org.nr 918672567 · Porsgrunn, Telemark · Active
9.9%
70
CAMP SUPPLY INTERNATIONAL AS
org.nr 882722252 · Porsgrunn, Telemark · Active
9.9%
71
DOWN TOWN KLOKKER OG SMYKKER AS
org.nr 912202127 · Porsgrunn, Telemark · Active
9.7%
72
CAFE OSEBRO AS
org.nr 975360040 · Porsgrunn, Telemark · Active
9.7%
73
OLAVSBERGET CAMPING OG BADEPLASS AS
org.nr 926781316 · Porsgrunn, Telemark · Active
9.6%
74
AVARN SECURITY BEREDSKAP AS
org.nr 988357243 · Porsgrunn, Telemark · Active
9.6%
75
DOWN TOWN HAGESENTER AS
org.nr 990666555 · Porsgrunn, Telemark · Active
9.3%
76
SPIRE & GRO RYPEVEGEN BARNEHAGE AS
org.nr 924205520 · Porsgrunn, Telemark · Active
9.2%
77
OLE JONNY MADSEN MASKINENTREPRENØR AS
org.nr 922558337 · Porsgrunn, Telemark · Active
9.1%
78
ADDCON NORDIC AS
org.nr 988774677 · Porsgrunn, Telemark · Active
9.0%
79
PM TELEMARK AS
org.nr 994887580 · Porsgrunn, Telemark · Active
8.7%
80
DIPLOMATEN AS
org.nr 986281622 · Porsgrunn, Telemark · Active
8.7%
81
GRENLAND MULTISERVICE AS
org.nr 922302871 · Porsgrunn, Telemark · Active
8.6%
82
GRENLAND MARITIME ELEKTRO AS
org.nr 925827495 · Porsgrunn, Telemark · Active
8.5%
83
IN LINE FRISØR AS
org.nr 924438223 · Porsgrunn, Telemark · Active
8.5%
84
TELESTE NORGE AS
org.nr 936665284 · Porsgrunn, Telemark · Active
8.3%
85
NYE DOWN TOWN HELSEKOST AS
org.nr 934088972 · Porsgrunn, Telemark · Active
8.2%
86
TOUCH SOFT AS
org.nr 995989786 · Porsgrunn, Telemark · Active
8.2%
87
TANK OG TRAILERVASK AS
org.nr 832031232 · Porsgrunn, Telemark · Active
8.1%
88
ATE AS
org.nr 998196310 · Porsgrunn, Telemark · Active
8.0%
89
TS SITE SERVICES AS
org.nr 823164912 · Porsgrunn, Telemark · Active
7.8%
90
HERØYA NETT AS
org.nr 998509289 · Porsgrunn, Telemark · Active
7.7%
91
KLARA TELEMARK AS
org.nr 913875354 · Porsgrunn, Telemark · Active
7.4%
92
ANLEGGSGARTNER NORDENGEN AS
org.nr 922670528 · Porsgrunn, Telemark · Active
7.4%
93
EMERSON AUTOMATION SOLUTIONS AS
org.nr 948310716 · Porsgrunn, Telemark · Active
7.3%
94
SPREK FRITID PORSGRUNN AS
org.nr 924390778 · Porsgrunn, Telemark · Active
7.3%
95
NORNER AS
org.nr 898736032 · Porsgrunn, Telemark · Active
7.2%
96
FRUKTKONGEN AS
org.nr 916997744 · Porsgrunn, Telemark · Active
6.9%
97
TEKK AS
org.nr 884024242 · Porsgrunn, Telemark · Active
6.8%
98
ROSE FORVALTNING AS
org.nr 990735743 · Porsgrunn, Telemark · Active
6.7%
99
BEHA-HEDO MARINE AS
org.nr 948905299 · Porsgrunn, Telemark · Active
6.7%
100
SJØLOFTET AS
org.nr 929336038 · Porsgrunn, Telemark · Active
6.4%
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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.