Industry code 43.2 · Buskerud
Electrical, plumbing and other construction installation activities in Ringerike
There are 92 active companies in electrical, plumbing and other construction installation activities in Ringerike. 10 of them were registered in the last 12 months. Together they have 216 registered employees. The largest company is Brødr Helgesens Eftf AS with 39 employees. The oldest, Brødr Helgesens Eftf AS, was founded in 1984. 64% are limited companies.
- Active companies
- 92
- New in the last 12 months
- 10
- Registered employees
- 216
- Share of limited companies
- 64 %
The largest companies in electrical, plumbing and other construction installation activities in Ringerike
Sorted by number of employees. Figures are from the Register of Legal Entities and the Register of Company Accounts.
| # | Company | Org. no. | Employees | Revenue | Founded |
|---|---|---|---|---|---|
| 1 | Brødr Helgesens Eftf AS | 935900557 | 39 | NOK 60.3 m | 1984 |
| 2 | Mt Klima AS | 820739582 | 27 | NOK 110.5 m | 2018 |
| 3 | Varme & Sanitær AS | 981696247 | 22 | NOK 46.7 m | 2000 |
| 4 | Hønefoss Vvs AS | 923789553 | 16 | NOK 25.9 m | 2019 |
| 5 | Askel Installasjon AS | 888754822 | 15 | NOK 29.6 m | 2005 |
| 6 | Aktiv Rørteknikk AS | 933370631 | 14 | NOK 21.7 m | 2024 |
| 7 | Venåsen Rørservice AS | 952163353 | 14 | NOK 21.8 m | 1989 |
| 8 | West Wermland Montasje AS | 911897679 | 12 | NOK 9.5 m | 2013 |
| 9 | Hønefoss Rørleggerbedrift AS | 950349875 | 12 | NOK 26 m | 1988 |
| 10 | Port Øst AS | 920455441 | 9 | NOK 36 m | 2018 |
| 11 | Av & På Elektro AS | 976969324 | 9 | NOK 17.3 m | 1996 |
| 12 | Kindberg & Kristiansen Elektriske AS | 989974173 | 9 | NOK 7 m | 2006 |
| 13 | Oddvar Thoen AS | 975891895 | 7 | NOK 6.7 m | 1995 |
| 14 | Lys Og Kraft Installasjon AS | 983825486 | 6 | NOK 7.9 m | 2001 |
| 15 | Taraldsen Elektro AS | 935819237 | 5 | NOK 7.5 m | 2025 |
| 16 | Egils Rør AS | 823137672 | – | NOK 167.3k | 2019 |
| 17 | Jonas Ottosen | 826728752 | – | – | – |
| 18 | Buskerud Bad & Rørservice AS | 829032082 | – | NOK 585.9k | 2022 |
| 19 | Mess-El AS | 835466922 | – | NOK 135.5k | 2025 |
| 20 | Bratvold Boligventilasjonsservice AS | 836290712 | – | NOK 569.9k | 2025 |
| 21 | Hønefoss Kjøleservice AS | 837707692 | – | – | 2026 |
| 22 | Taraldsen Elektro | 865015062 | – | – | – |
| 23 | Fossum Og Sandum AS | 890235662 | – | NOK 5.6 m | 2006 |
| 24 | Hermansen Anleggstjenester | 911884879 | – | – | – |
| 25 | Ringerike Kjøle & Fryseservice AS | 913301714 | – | NOK 14.6 m | 2014 |
Newest companies in electrical, plumbing and other construction installation activities in Ringerike
- Løwer Teknikk24 Sept 2026
- Ådalen Elektriske AS16 Sept 2026
- Rh Vvs AS1 Sept 2026
- Rørleggermester Kelmendi13 Aug 2026
- Astro Ventilasjon AS13 Aug 2026
- Arab Rørservice18 Jun 2026
- Hønefoss Kjøleservice AS13 May 2026
- Spyle & Rørleggervakta AS23 Jan 2026
- Budak Vvs5 Jan 2026
- Lufta AS1 Dec 2025
Frequently asked questions
How many companies in electrical, plumbing and other construction installation activities are there in Ringerike?
The Register of Legal Entities lists 92 active companies in electrical, plumbing and other construction installation activities in Ringerike. 10 of them were registered in the last 12 months.
Which is the largest company in electrical, plumbing and other construction installation activities in Ringerike?
Brødr Helgesens Eftf AS is the largest by number of employees, with 39 employees. The organisation number is 935900557.
How many people work in electrical, plumbing and other construction installation activities in Ringerike?
The companies have 216 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 15 of the 25 largest companies have reported employees.
How long have there been companies in electrical, plumbing and other construction installation activities in Ringerike?
The oldest active company, Brødr Helgesens Eftf AS, was founded in 1984. 64% of the companies are limited companies.
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Electrical, plumbing and other construction installation activities in nearby municipalities
Other industries in the same group in Ringerike
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 43.2. Figures are updated continuously.