Industry code 43.22 · Buskerud
Plumbing, heat and air-conditioning installation in Ringerike
There are 64 active companies in plumbing, heat and air-conditioning installation in Ringerike. 8 of them were registered in the last 12 months. Together they have 117 registered employees. The largest company is Mt Klima AS with 27 employees. The oldest, Garås Gården AS, was founded in 1987. 66% are limited companies.
- Active companies
- 64
- New in the last 12 months
- 8
- Registered employees
- 117
- Share of limited companies
- 66 %
The largest companies in plumbing, heat and air-conditioning installation 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 | Mt Klima AS | 820739582 | 27 | NOK 110.5 m | 2018 |
| 2 | Varme & Sanitær AS | 981696247 | 22 | NOK 46.7 m | 2000 |
| 3 | Hønefoss Vvs AS | 923789553 | 16 | NOK 25.9 m | 2019 |
| 4 | Aktiv Rørteknikk AS | 933370631 | 14 | NOK 21.7 m | 2024 |
| 5 | Venåsen Rørservice AS | 952163353 | 14 | NOK 21.8 m | 1989 |
| 6 | West Wermland Montasje AS | 911897679 | 12 | NOK 9.5 m | 2013 |
| 7 | Hønefoss Rørleggerbedrift AS | 950349875 | 12 | NOK 26 m | 1988 |
| 8 | Egils Rør AS | 823137672 | – | NOK 167.3k | 2019 |
| 9 | Jonas Ottosen | 826728752 | – | – | – |
| 10 | Buskerud Bad & Rørservice AS | 829032082 | – | NOK 585.9k | 2022 |
| 11 | Bratvold Boligventilasjonsservice AS | 836290712 | – | NOK 569.9k | 2025 |
| 12 | Hønefoss Kjøleservice AS | 837707692 | – | – | 2026 |
| 13 | Fossum Og Sandum AS | 890235662 | – | NOK 5.6 m | 2006 |
| 14 | Hermansen Anleggstjenester | 911884879 | – | – | – |
| 15 | Ringerike Kjøle & Fryseservice AS | 913301714 | – | NOK 14.6 m | 2014 |
| 16 | Industri Og Va Service AS | 913322185 | – | NOK 1.2 m | 2014 |
| 17 | Ole Anders Breidablikk | 915741851 | – | – | – |
| 18 | Rs Rør AS | 916594402 | – | NOK 11.3 m | 2016 |
| 19 | Ringerike Bad Og Bygg AS | 918772030 | – | NOK 1.9 m | 2017 |
| 20 | Klima-Trond AS | 920237444 | – | NOK 1.9 m | 2018 |
| 21 | Gravermoen Klima AS | 920489141 | – | NOK 13.3 m | 2018 |
| 22 | Molind Holding AS | 920739563 | – | – | 2018 |
| 23 | Sperstad Klima | 922718369 | – | – | – |
| 24 | Astro Ventilation / Tantonwach | 922970718 | – | – | – |
| 25 | Skaug & Christoffersen AS | 923261842 | – | NOK 3.1 m | 2019 |
Newest companies in plumbing, heat and air-conditioning installation in Ringerike
- 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
- Bratvold Boligventilasjonsservice AS1 Oct 2025
- Hønefoss Rørservice AS8 Sept 2025
Frequently asked questions
How many companies in plumbing, heat and air-conditioning installation are there in Ringerike?
The Register of Legal Entities lists 64 active companies in plumbing, heat and air-conditioning installation in Ringerike. 8 of them were registered in the last 12 months.
Which is the largest company in plumbing, heat and air-conditioning installation in Ringerike?
Mt Klima AS is the largest by number of employees, with 27 employees. The organisation number is 820739582.
How many people work in plumbing, heat and air-conditioning installation in Ringerike?
The companies have 117 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 7 of the 25 largest companies have reported employees.
How long have there been companies in plumbing, heat and air-conditioning installation in Ringerike?
The oldest active company, Garås Gården AS, was founded in 1987. 66% of the companies are limited companies.
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Plumbing, heat and air-conditioning installation 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 43.22. Figures are updated continuously.