NORSK RØRSENTER AS
NORSK RØRSENTER AS is registered as a limited company in Drammen, Buskerud with organisation number 951425281. The business is classified under other technical consultancy (NACE 71.129). The company was incorporated in 1989. Registered share capital is NOK 1.2m. The company's stated purpose is: “Et nasjonalt kompetansesenter for vann og avløps- systemer. Selskapet skal utføre og formidle tjen- ester og produkter, herunder opplæring, etterut- dannelse, erfaringsutveksling, testing, teknisk assistanse, informasjonsvirksomhet. Selskapet kan delta i andre selskaper, samt enhver virksomhet som står i forbindelse med dette.”. The most recent filed accounts, for the 2025 financial year, show NOK 10.9m in revenue and NOK 2.2m in operating profit.
Key figures · 2025
Financial health · 2025
Who owns NORSK RØRSENTER AS?
NORSK RØRSENTER AS has 18 registered shareholders:
- ODD LIENG 77.0%
- KARI TYSSELAND LIENG 8.8%
- WILHELMSEN SHIPS SERVICE AS 5.0%
- NORSK RØRSENTER AS 2.5%
- NORSK INSTITUTT FOR VANNFORSKNING STI 1.7%
- KRISTOFFER LOE & SØNNER AS 0.8%
- RAGN SELLS AS 0.8%
- BETONG NORGE 0.8%
- KRISTI EIDAL OLSEN 0.6%
- CHRISTEN RÆSTAD 0.5%
- KRUGE AS 0.4%
- ASLE KVAM 0.3%
- KRISTIN HAMRE 0.2%
- HEIDENREICH AS 0.2%
- STENER SØRENSEN HOLDING AS 0.1%
- EM TEKNIKK AS 0.1%
- EUROFINS ENVIRONMENT TESTING NORWAY AS 0.1%
- WILO NORGE AS 0.1%
Which companies does NORSK RØRSENTER AS own?
NORSK RØRSENTER AS holds a stake in 1 company:
- NORSK RØRSENTER AS 2.5%
Frequently asked questions about NORSK RØRSENTER AS
Who owns NORSK RØRSENTER AS?
ODD LIENG is the largest registered owner, with 77.0%.
What is the revenue of NORSK RØRSENTER AS?
NORSK RØRSENTER AS had revenue of NOK 10.9m in 2025.
Who is the general manager of NORSK RØRSENTER AS?
Odd Lieng is registered as general manager of NORSK RØRSENTER AS.
Where is NORSK RØRSENTER AS based?
NORSK RØRSENTER AS has its business address in Drammen.
Property
The address this company is registered at, from the company register and matched against the cadastre. It does not say who owns the property — a company may be a tenant, and the address is often its accountant's. Source: Brønnøysundregistrene and © Kartverket.
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.