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.

# 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.

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