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Largest Water and Sewer Construction Companies in Norway (2026)

A ranked list of active water and sewer construction companies in Norway, based on the latest comparable revenue reported in public registry filings.

  • 20 companies
  • Displayed in EUR
  • Updated 2026-08-17
Ranked companies: Water and Sewer Construction Companies ranked by latest reported revenue
Rank Company Industry Latest revenue Profit/loss Employees Year Website
1 OLIMB RØRFORNYING AS Sign up for full profile Water and Sewer Construction €40,442,724 €7,603,987 128 2025 Register free to reveal
2 PA ENTREPRENØR AS Sign up for full profile Water and Sewer Construction €23,404,111 €1,141,038 107 2025 Register free to reveal
3 STEG ENTREPRENØR AS Sign up for full profile Water and Sewer Construction €22,072,486 €1,492,689 62 2025 Register free to reveal
4 BÅSUM BORING AS Sign up for full profile Water and Sewer Construction €12,975,916 €439,288 19 2025 Register free to reveal
5 H & K SANDNES AS Sign up for full profile Water and Sewer Construction €11,157,121 -€265,754 67 2025 Register free to reveal
6 KNUT BJERKE AS Sign up for full profile Water and Sewer Construction €10,092,386 €26,680 55 2025 Register free to reveal
7 OLIMB ANLEGG AS Sign up for full profile Water and Sewer Construction €9,805,492 €620,187 42 2025 Register free to reveal
8 SVEIN THOMASSEN AS Sign up for full profile Water and Sewer Construction €8,995,142 €2,321,675 44 2025 Register free to reveal
9 ROTOTEC AS Sign up for full profile Water and Sewer Construction €7,873,084 -€1,052,996 7 2024 Register free to reveal
10 BRØDRENE MYHRE AS Sign up for full profile Water and Sewer Construction €7,188,810 €414,767 30 2025 Register free to reveal
11 TELEMARK SEAWORX AS Sign up for full profile Water and Sewer Construction €6,512,269 €251,431 18 2025 Register free to reveal
12 RAMLOS AS Sign up for full profile Water and Sewer Construction €6,423,392 €53,949 48 2025 Register free to reveal
13 MASKINENTREPRENØR KRISTIAN KRISTIANSEN AS Sign up for full profile Water and Sewer Construction €6,199,728 €410,445 49 2025 Register free to reveal
14 TERTNES ENTREPRENØR AS Sign up for full profile Water and Sewer Construction €6,022,146 €477,370 23 2025 Register free to reveal
15 OPPDAL MASKINKOMPANI AS Sign up for full profile Water and Sewer Construction €5,732,916 -€373,401 32 2025 Register free to reveal
16 VESTNORSK BRØNNBORING DRIFT AS Sign up for full profile Water and Sewer Construction €5,635,839 -€28,523 27 2025 Register free to reveal
17 NORSK MILJØSERVICE AS Sign up for full profile Water and Sewer Construction €5,197,336 -€394,521 Not available 2025 Register free to reveal
18 VÆRÅS BRØNNBORING AS Sign up for full profile Water and Sewer Construction €4,985,516 €398,710 17 2025 Register free to reveal
19 SELØY UNDERVANNSSERVICE AS Sign up for full profile Water and Sewer Construction €4,954,114 €149,004 27 2025 Register free to reveal
20 O NØRSTEBØ & SØNN AS Sign up for full profile Water and Sewer Construction €4,689,501 -€70,348 18 2024 Register free to reveal

Source currency retained · FX 2026-06-22