biztrac. BETA

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.

Top of the list is SKAGERAK KRAFT AS with 77.8%, ahead of FUNNEMARK EIENDOM AS. The largest industry is restaurant activities, with 7 companies.

# Company Operating margin
1 SKAGERAK KRAFT AS org.nr 979563531 · Porsgrunn, Telemark · Active 77.8% 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 CAPITANE HOTELS AS org.nr 824293562 · Porsgrunn, Telemark · Active 36.8% 7 VERDITAKSERING KJELL LARSEN AS org.nr 921065981 · Porsgrunn, Telemark · Active 32.5% 8 KORVETTEN TANNKLINIKK AS org.nr 989049682 · Porsgrunn, Telemark · Active 30.8% 9 FOSSØY AS org.nr 932576821 · Porsgrunn, Telemark · Active 29.2% 10 DEKKSPESIALISTEN AS org.nr 940171512 · Porsgrunn, Telemark · Active 28.4% 11 GAT-SHIP AS org.nr 989126377 · Porsgrunn, Telemark · Active 27.8% 12 SOLVANG REVISJON AS org.nr 888048472 · Porsgrunn, Telemark · Active 27.1% 13 H. M. ALBRETSEN VERKTØYSIKRING AS org.nr 985191743 · Porsgrunn, Telemark · Active 25.5% 14 LEDE AS org.nr 979422679 · Porsgrunn, Telemark · Active 25.2% 15 PORSGRUNN BOLIGSTIFTELSE org.nr 950197730 · Porsgrunn, Telemark · Active 25.0% 16 STRIDSKLEV LEGEKONTOR AS org.nr 922703590 · Porsgrunn, Telemark · Active 24.6% 17 BAZE TECHNOLOGY AS org.nr 991658920 · Porsgrunn, Telemark · Active 24.2% 18 RUIS VARETAXI AS org.nr 971006986 · Porsgrunn, Telemark · Active 23.5% 19 EDGE BRANDING AS org.nr 980429849 · Porsgrunn, Telemark · Active 22.4% 20 BRUBAKKEN RENTAL AS org.nr 925231460 · Porsgrunn, Telemark · Active 22.4% 21 STABIL VARME SERVICE AS org.nr 998726530 · Porsgrunn, Telemark · Active 22.3% 22 KULLTANGEN REGNSKAP AS org.nr 896380532 · Porsgrunn, Telemark · Active 22.0% 23 OLAVSBERGET CAMPING OG BADEPLASS AS org.nr 926781316 · Porsgrunn, Telemark · Active 21.0% 24 TJENESTELEVERANDØREN AS org.nr 917404801 · Porsgrunn, Telemark · Active 20.8% 25 MOTOR & GENERATOR SERVICE AS org.nr 912533034 · Porsgrunn, Telemark · Active 19.7% 26 MURMESTER GULLIKSEN AS org.nr 961560446 · Porsgrunn, Telemark · Active 19.5% 27 BLUE POWER AS org.nr 927159260 · Porsgrunn, Telemark · Active 17.9% 28 SERVIE AS org.nr 861824152 · Porsgrunn, Telemark · Active 17.9% 29 REDO BIOSOLUTIONS AS org.nr 984238126 · Porsgrunn, Telemark · Active 17.4% 30 BAR & KJØKKEN AS org.nr 915108229 · Porsgrunn, Telemark · Active 17.1% 31 AS BRANN OG SIKRINGSERVICE org.nr 975955907 · Porsgrunn, Telemark · Active 17.0% 32 KOKKERSVOLD KRAN OG TRANSPORT AS org.nr 990535612 · Porsgrunn, Telemark · Active 16.8% 33 RANOLD AS org.nr 985987483 · Porsgrunn, Telemark · Active 16.7% 34 DT BILPLEIE AS org.nr 928236366 · Porsgrunn, Telemark · Active 16.2% 35 ELTECO AS org.nr 988638897 · Porsgrunn, Telemark · Active 16.2% 36 MALIX TRANSPORT AS org.nr 934351843 · Porsgrunn, Telemark · Active 16.2% 37 TELEMARK HJERTESENTER AS org.nr 918913831 · Porsgrunn, Telemark · Active 15.9% 38 NEW AGRA AS org.nr 913086376 · Porsgrunn, Telemark · Active 15.9% 39 TANGO FRISØR GULSET AS org.nr 922289638 · Porsgrunn, Telemark · Active 15.8% 40 PURENVIRO AS org.nr 995633000 · Porsgrunn, Telemark · Active 15.1% 41 BYENS HJERTE AS org.nr 929417747 · Porsgrunn, Telemark · Active 14.9% 42 KONTRAM AS org.nr 984227949 · Porsgrunn, Telemark · Active 14.8% 43 ELTAVLE GRENLAND AS org.nr 981117131 · Porsgrunn, Telemark · Active 14.7% 44 GRENLAND HAVN IKS org.nr 970940510 · Porsgrunn, Telemark · Active 14.0% 45 REGNSKAPSSERVICE AS org.nr 921166389 · Porsgrunn, Telemark · Active 13.9% 46 EUROBUS NORDIC AS org.nr 921025653 · Porsgrunn, Telemark · Active 13.9% 47 RIISE ELEKTRO ANS org.nr 975945383 · Porsgrunn, Telemark · Active 13.7% 48 DOWN TOWN HAGESENTER AS org.nr 990666555 · Porsgrunn, Telemark · Active 13.5% 49 TKT INNEKLIMA AS org.nr 923792333 · Porsgrunn, Telemark · Active 13.3% 50 STRESSMAN ENGINEERING AS org.nr 996293955 · Porsgrunn, Telemark · Active 13.1% 51 NORSK SPRINKLERTEKNIKK AS org.nr 919847816 · Porsgrunn, Telemark · Active 13.0% 52 THRACE POLYBULK AS org.nr 983435963 · Porsgrunn, Telemark · Active 12.8% 53 FOSS ELEKTRO AS org.nr 985565619 · Porsgrunn, Telemark · Active 12.4% 54 PORSGRUNNS DAGBLAD AS org.nr 919154519 · Porsgrunn, Telemark · Active 11.3% 55 N.C. NIELSEN AS org.nr 982410347 · Porsgrunn, Telemark · Active 11.3% 56 ECKHOLDT AS org.nr 948191660 · Porsgrunn, Telemark · Active 11.2% 57 HERØYA NETT AS org.nr 998509289 · Porsgrunn, Telemark · Active 11.1% 58 DOWN TOWN KLOKKER OG SMYKKER AS org.nr 912202127 · Porsgrunn, Telemark · Active 11.1% 59 JONS DEKK & FELG AS org.nr 985553645 · Porsgrunn, Telemark · Active 11.0% 60 ØYA SPISERI AS org.nr 914405173 · Porsgrunn, Telemark · Active 11.0% 61 STENA CONFIDENTIAL AS org.nr 924965126 · Porsgrunn, Telemark · Active 10.8% 62 REAL BYGGTEKNIKK AS org.nr 929474929 · Porsgrunn, Telemark · Active 10.5% 63 MAXBO TEKNISKE TJENESTER AS org.nr 924463163 · Porsgrunn, Telemark · Active 10.3% 64 BRUA SERVICENTER AS org.nr 989310070 · Porsgrunn, Telemark · Active 10.2% 65 TELEKLIMA AS org.nr 990330255 · Porsgrunn, Telemark · Active 10.0% 66 GREP GRENLAND AS org.nr 990060460 · Porsgrunn, Telemark · Active 10.0% 67 CAMP SUPPLY INTERNATIONAL AS org.nr 882722252 · Porsgrunn, Telemark · Active 9.9% 68 CAFE OSEBRO AS org.nr 975360040 · Porsgrunn, Telemark · Active 9.7% 69 ORDERX AS org.nr 916690479 · Porsgrunn, Telemark · Active 9.5% 70 TELERØR A/S org.nr 946858021 · Porsgrunn, Telemark · Active 9.3% 71 NORD TAKSERING AS org.nr 986593640 · Porsgrunn, Telemark · Active 9.3% 72 PIZZA KOMPANIET AS org.nr 919767324 · Porsgrunn, Telemark · Active 9.2% 73 NORNER AS org.nr 898736032 · Porsgrunn, Telemark · Active 9.2% 74 TANGO DRIFT AS org.nr 981240987 · Porsgrunn, Telemark · Active 9.2% 75 AUTOSTRADA X AS org.nr 929361202 · Porsgrunn, Telemark · Active 9.1% 76 CARLO GAVAZZI AS org.nr 935651034 · Porsgrunn, Telemark · Active 9.1% 77 ELTERA SKAGERRAK AS org.nr 918672567 · Porsgrunn, Telemark · Active 9.1% 78 BEHA-HEDO MARINE AS org.nr 948905299 · Porsgrunn, Telemark · Active 9.0% 79 PORSGRUNN PLASTIKKIRURGI AS org.nr 899638832 · Porsgrunn, Telemark · Active 8.8% 80 PM TELEMARK AS org.nr 994887580 · Porsgrunn, Telemark · Active 8.7% 81 DIPLOMATEN AS org.nr 986281622 · Porsgrunn, Telemark · Active 8.7% 82 SANDØYA MONTESSORISKOLE org.nr 995197146 · Porsgrunn, Telemark · Active 8.6% 83 CONTROLPARTNER AS org.nr 915828248 · Porsgrunn, Telemark · Active 8.6% 84 ADDCON NORDIC AS org.nr 988774677 · Porsgrunn, Telemark · Active 8.5% 85 IN LINE FRISØR AS org.nr 924438223 · Porsgrunn, Telemark · Active 8.5% 86 BERGSBYGDA MONTESSORISKOLE org.nr 995312875 · Porsgrunn, Telemark · Active 8.5% 87 MOCKTAIL AS org.nr 927494310 · Porsgrunn, Telemark · Active 8.4% 88 TIPPEN BARNEHAGE SA org.nr 948122650 · Porsgrunn, Telemark · Active 8.3% 89 ROSE FORVALTNING AS org.nr 990735743 · Porsgrunn, Telemark · Active 8.2% 90 TOUCH SOFT AS org.nr 995989786 · Porsgrunn, Telemark · Active 8.2% 91 EMERSON AUTOMATION SOLUTIONS AS org.nr 948310716 · Porsgrunn, Telemark · Active 8.1% 92 HEISTAD BIL CARAVAN AS org.nr 929134737 · Porsgrunn, Telemark · Active 8.1% 93 ATE AS org.nr 998196310 · Porsgrunn, Telemark · Active 8.0% 94 OLE JONNY MADSEN MASKINENTREPRENØR AS org.nr 922558337 · Porsgrunn, Telemark · Active 7.9% 95 GRENLAND BOLIGBYGGELAG org.nr 947173219 · Porsgrunn, Telemark · Active 7.8% 96 AVARN SECURITY BEREDSKAP AS org.nr 988357243 · Porsgrunn, Telemark · Active 7.7% 97 GRENLAND BILBERGING AS org.nr 916844026 · Porsgrunn, Telemark · Active 7.7% 98 AICONO AS org.nr 823820232 · Porsgrunn, Telemark · Active 7.5% 99 SCANDINAVIAN CERTIFICATION AS org.nr 913938003 · Porsgrunn, Telemark · Active 7.5% 100 KLARA TELEMARK AS org.nr 913875354 · Porsgrunn, Telemark · Active 7.4%
Showing 100 companies

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Source

Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.

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.

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