BIZTRAC BETA

Largest companies by revenue in Telemark

Ranked by the most recently reported operating revenue.

Together the 100 companies on this list account for NOK 73.4bn. Top of the list is ERAMET NORWAY AS with NOK 7.4bn, ahead of SYKEHUSET TELEMARK HF. The largest industry is retail sale of motor vehicles, with 7 companies.

# Company Amount
1 ERAMET NORWAY AS org.nr 980518647 · Porsgrunn, Telemark · Active NOK 7.4bn 2 SYKEHUSET TELEMARK HF org.nr 983975267 · Skien, Telemark · Active NOK 5.3bn 3 ABB ELECTRIFICATION NORWAY AS org.nr 921186037 · Skien, Telemark · Active NOK 4.9bn 4 SKAGERAK KRAFT AS org.nr 979563531 · Porsgrunn, Telemark · Active NOK 4.8bn 5 EIFFAGE GENIE CIVIL NUF org.nr 926049860 · Porsgrunn, Telemark · Active NOK 2.6bn 6 STENA RECYCLING AS org.nr 983594506 · Porsgrunn, Telemark · Active NOK 2.3bn 7 FRAMTRE SA org.nr 989086642 · Porsgrunn, Telemark · Active NOK 2.3bn 8 INOVYN NORGE AS org.nr 981701046 · Bamble, Telemark · Active NOK 2.3bn 9 LEDE AS org.nr 979422679 · Porsgrunn, Telemark · Active NOK 2.3bn 10 INEOS SALES NORGE AS org.nr 991191801 · Bamble, Telemark · Active NOK 2.2bn 11 BILFINGER NORWAY AS org.nr 988996564 · Porsgrunn, Telemark · Active NOK 2.1bn 12 NK ENERGI AS org.nr 925750638 · Porsgrunn, Telemark · Active NOK 1.5bn 13 INEOS RAFNES AS org.nr 982726387 · Bamble, Telemark · Active NOK 1.3bn 14 EMERSON AUTOMATION SOLUTIONS AS org.nr 948310716 · Porsgrunn, Telemark · Active NOK 1.2bn 15 ISOLA AS org.nr 928764745 · Porsgrunn, Telemark · Active NOK 1.1bn 16 SELTOR AS org.nr 915617344 · Porsgrunn, Telemark · Active NOK 948.6m 17 PROSHOP AS org.nr 876143712 · Midt-telemark, Telemark · Active NOK 819.2m 18 GUMPENS AUTO GRENLAND AS org.nr 918506519 · Porsgrunn, Telemark · Active NOK 815.5m 19 ENRX AS org.nr 930400580 · Skien, Telemark · Active NOK 692.0m 20 TS GROUP AS org.nr 988251399 · Porsgrunn, Telemark · Active NOK 650.3m 21 ULEFOS AS org.nr 981083032 · Nome, Telemark · Active NOK 637.1m 22 AUTOSTRADA PORSGRUNN AS org.nr 980775747 · Porsgrunn, Telemark · Active NOK 606.5m 23 SOLBERG BIL AS org.nr 928103277 · Skien, Telemark · Active NOK 602.8m 24 INEOS BAMBLE AS org.nr 968144405 · Bamble, Telemark · Active NOK 597.9m 25 EUROBUS NORDIC AS org.nr 921025653 · Porsgrunn, Telemark · Active NOK 592.2m 26 ADDCON NORDIC AS org.nr 988774677 · Porsgrunn, Telemark · Active NOK 587.3m 27 NEL HYDROGEN ELECTROLYSER AS org.nr 912185877 · Notodden, Telemark · Active NOK 582.0m 28 KEBONY NORGE AS org.nr 979446276 · Skien, Telemark · Active NOK 567.4m 29 NORTHERN DATA NOR AS org.nr 925207950 · Notodden, Telemark · Active NOK 554.5m 30 REDO BIOSOLUTIONS AS org.nr 984238126 · Porsgrunn, Telemark · Active NOK 535.3m 31 SKAGERAK ENERGITJENESTER AS org.nr 929369491 · Porsgrunn, Telemark · Active NOK 509.2m 32 INFLOWCONTROL AS org.nr 996957691 · Porsgrunn, Telemark · Active NOK 501.1m 33 ALF JOHANSEN AS org.nr 910402722 · Seljord, Telemark · Active NOK 487.9m 34 NORSK PUKKSERVICE AS org.nr 992614412 · Bamble, Telemark · Active NOK 476.9m 35 LAUGSTOL AS org.nr 964715378 · Porsgrunn, Telemark · Active NOK 427.0m 36 SPAREBANKSTIFTELSEN TELEMARK org.nr 999177743 · Skien, Telemark · Active NOK 426.8m 37 HYBEKO AS org.nr 991729380 · Skien, Telemark · Active NOK 414.1m 38 OPTIME SUBSEA AS org.nr 988810401 · Notodden, Telemark · Active NOK 411.3m 39 MILLBA AS org.nr 980786706 · Skien, Telemark · Active NOK 410.8m 40 VEST-TELEMARK KRAFTLAG AS org.nr 955996836 · Tokke, Telemark · Active NOK 407.0m 41 KJELL-SVERRE TOLLEFSEN org.nr 995481308 · Skien, Telemark · Active NOK 405.6m 42 GRENLAND RAIL AS org.nr 830036032 · Skien, Telemark · Active NOK 400.6m 43 ROMNES AS org.nr 964348596 · Skien, Telemark · Active NOK 395.6m 44 BYPOST AS org.nr 989383167 · Skien, Telemark · Active NOK 394.0m 45 MOBILE SKIEN AS org.nr 861151972 · Skien, Telemark · Active NOK 389.1m 46 RTC CONSULTANCY AS org.nr 918523480 · Skien, Telemark · Active NOK 376.5m 47 ERIK TANCHE NILSSEN AS org.nr 819075832 · Skien, Telemark · Active NOK 368.7m 48 HRL ENTREPRENØR AS org.nr 987259760 · Porsgrunn, Telemark · Active NOK 355.9m 49 AGILITY AS org.nr 982732638 · Skien, Telemark · Active NOK 343.7m 50 MYND ENTREPRENØR AS org.nr 995962373 · Porsgrunn, Telemark · Bankrupt NOK 337.8m 51 HÖGANÄS BORGESTAD AS org.nr 913936175 · Skien, Telemark · Active NOK 326.9m 52 TATA STEEL NORWAY BYGGSYSTEMER AS org.nr 959807949 · Skien, Telemark · Active NOK 318.9m 53 Håkanes Maskin A/S org.nr 946054224 · Tinn, Telemark · Active NOK 318.5m 54 RTC OFFSHORE AS org.nr 913164776 · Skien, Telemark · Active NOK 313.9m 55 WESTCONTROL BERGET AS org.nr 945662506 · Notodden, Telemark · Active NOK 307.2m 56 SPOT AS org.nr 821116422 · Skien, Telemark · Active NOK 299.7m 57 BANDAK AS org.nr 916242220 · Nome, Telemark · Active NOK 295.9m 58 SKAGERAK ENERGI AS org.nr 980495302 · Porsgrunn, Telemark · Active NOK 295.8m 59 PCP AS org.nr 919407077 · Porsgrunn, Telemark · Active NOK 290.7m 60 UNIVERS AS org.nr 917213372 · Porsgrunn, Telemark · Active NOK 288.9m 61 TOR ENTREPRENØR AS org.nr 982845475 · Skien, Telemark · Active NOK 283.7m 62 C. CHRISTOFFERSEN AS org.nr 985174431 · Skien, Telemark · Active NOK 281.0m 63 HIP EIENDOM AS org.nr 998509300 · Porsgrunn, Telemark · Active NOK 261.3m 64 TIPP TRANSPORT AS org.nr 979326416 · Porsgrunn, Telemark · Active NOK 260.7m 65 TELEMARK TAXI AS org.nr 986940006 · Skien, Telemark · Active NOK 247.8m 66 BAKEVERKET AS org.nr 992126191 · Porsgrunn, Telemark · Active NOK 246.9m 67 RESERVOIR STURGEON AS org.nr 925020443 · Skien, Telemark · Active NOK 246.9m 68 RESERVOIR FARADAY AS org.nr 925239739 · Skien, Telemark · Active NOK 245.7m 69 STIFTELSEN BETANIEN HOSPITAL SKIEN org.nr 981275721 · Skien, Telemark · Active NOK 244.6m 70 GUMPENS AUTO NOTODDEN AS org.nr 976910915 · Notodden, Telemark · Active NOK 243.7m 71 NOTODDEN ENERGI AS org.nr 999263798 · Notodden, Telemark · Active NOK 241.8m 72 BLÅ KORS KLINIKK SKIEN AS org.nr 971450231 · Skien, Telemark · Active NOK 241.1m 73 ELEKTRO 4 AS org.nr 881489392 · Skien, Telemark · Active NOK 239.8m 74 N.C. NIELSEN AS org.nr 982410347 · Porsgrunn, Telemark · Active NOK 236.3m 75 MAXETA AS org.nr 864425402 · Skien, Telemark · Active NOK 226.3m 76 SYSTEMBLOKK AS org.nr 913289951 · Midt-telemark, Telemark · Active NOK 225.3m 77 TINFOS AS org.nr 916763476 · Notodden, Telemark · Active NOK 223.3m 78 TELEFRUKT AS org.nr 970983503 · Midt-telemark, Telemark · Active NOK 221.1m 79 TINN ENERGI OG FIBER AS org.nr 982173329 · Tinn, Telemark · Active NOK 215.9m 80 PALLA PHARMA NORWAY AS org.nr 918275452 · Kragerø, Telemark · Active NOK 211.1m 81 AUTOSTRADA SELJORD AS org.nr 927975564 · Seljord, Telemark · Active NOK 207.7m 82 GAUSTA SKI & RESORT AS org.nr 891680422 · Tinn, Telemark · Active NOK 207.1m 83 STAR BIL AS org.nr 995494698 · Skien, Telemark · Active NOK 205.9m 84 GRENLAND BILSERVICE AS org.nr 919134062 · Skien, Telemark · Active NOK 202.7m 85 TELEMARK ENERGI PRODUKSJON AS org.nr 963022158 · Nome, Telemark · Active NOK 200.8m 86 TELEMARK TRANSPORTSERVICE AS org.nr 992840455 · Seljord, Telemark · Active NOK 200.3m 87 TELEMARK KRAFT AS org.nr 925315044 · Tinn, Telemark · Active NOK 199.7m 88 BRUBAKKEN AS org.nr 930730556 · Porsgrunn, Telemark · Active NOK 197.7m 89 SAGA MAT AS org.nr 882963632 · Skien, Telemark · Active NOK 194.4m 90 PASIENTREISER HF org.nr 918695079 · Skien, Telemark · Active NOK 193.0m 91 TNETT AS org.nr 925803375 · Tokke, Telemark · Active NOK 190.2m 92 KRANRINGEN AS org.nr 953069466 · Skien, Telemark · Active NOK 189.8m 93 HAUK SVEINSSON AS org.nr 976252713 · Skien, Telemark · Active NOK 189.3m 94 PORSGRUNN RETAIL AS org.nr 922704619 · Porsgrunn, Telemark · Active NOK 188.8m 95 DNV IMATIS AS org.nr 963310439 · Porsgrunn, Telemark · Active NOK 187.6m 96 AARSLEFF FUNDAMENTERING & BORING AS org.nr 990405700 · Nome, Telemark · Active NOK 187.5m 97 MORGAN AS org.nr 998179327 · Drangedal, Telemark · Active NOK 186.8m 98 G. COWARD AS org.nr 929683943 · Skien, Telemark · Active NOK 186.0m 99 GROMSTAD BIL & BÅT AS org.nr 983335470 · Kragerø, Telemark · Active NOK 183.7m 100 NORSJØKRAFT AS org.nr 998890314 · Nome, Telemark · Active NOK 182.5m
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Source

Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.

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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