Industry code 43.22 · Østfold
Plumbing, heat and air-conditioning installation in Indre Østfold
There are 136 active companies in plumbing, heat and air-conditioning installation in Indre Østfold. 16 of them were registered in the last 12 months. Together they have 505 registered employees. The largest company is Askim & Mysen Rør AS with 155 employees. The oldest, Vvs Comfort AS, was founded in 1970. 55% are limited companies.
- Active companies
- 136
- New in the last 12 months
- 16
- Registered employees
- 505
- Share of limited companies
- 55 %
The largest companies in plumbing, heat and air-conditioning installation in Indre Østfold
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 | Askim & Mysen Rør AS | 980236226 | 155 | NOK 317.5 m | 1998 |
| 2 | Vvs Comfort AS | 922053480 | 60 | NOK 108.3 m | 1970 |
| 3 | Ol Montering 1 AS | 898846792 | 31 | NOK 29.3 m | 2012 |
| 4 | Norddisk AS | 920610765 | 30 | NOK 107.7 m | 2018 |
| 5 | Indre Østfold Ventilasjon AS | 967647675 | 28 | NOK 57.5 m | 1993 |
| 6 | Trømborg Ventilasjonspartnere AS | 990775583 | 28 | NOK 60.8 m | 2006 |
| 7 | Slk Montasje AS | 936138306 | 19 | NOK 3.1 m | 2025 |
| 8 | Arctic Kulde AS | 980219526 | 16 | NOK 28.1 m | 1998 |
| 9 | Luftteknikeren AS | 913223853 | 15 | NOK 10.3 m | 2014 |
| 10 | Tn Varmeteknikk AS | 918646663 | 15 | NOK 24.2 m | 2017 |
| 11 | Ventilasjonsservice AS | 922258201 | 12 | NOK 12.4 m | 2019 |
| 12 | Kk Vent AS | 937977565 | 11 | – | 2026 |
| 13 | Kvisler&grimeland Sprinkler AS | 930270245 | 10 | NOK 12.5 m | 2022 |
| 14 | Spjudvik Rør AS | 917237107 | 8 | NOK 12.9 m | 2016 |
| 15 | Østfold Kuldemontasje AS | 933145697 | 8 | NOK 20.8 m | 2024 |
| 16 | Knut Aarum AS | 933766993 | 8 | NOK 9.9 m | 2024 |
| 17 | Rørleggertjenesten Spydeberg AS | 997655095 | 7 | NOK 12.2 m | 2011 |
| 18 | Østfold Miljøteknikk AS | 999080421 | 7 | NOK 7.7 m | 2012 |
| 19 | Ventilasjonstjenesten AS | 927089246 | 6 | NOK 10.5 m | 2021 |
| 20 | Indre Østfold Vvs AS | 998356067 | 6 | NOK 11.5 m | 2012 |
| 21 | Climatech AS | 812440942 | 5 | NOK 10.4 m | 2013 |
| 22 | Nordmarkens Ventilasjon AS | 920685897 | 5 | NOK 6.1 m | 2018 |
| 23 | Jozwicki Entreprenør | 920843727 | 5 | – | – |
| 24 | Tarass Rozko Vent AS | 937651600 | 5 | – | 2026 |
| 25 | Askim Kjøleservice A/S | 982519608 | 5 | NOK 9 m | 2000 |
Newest companies in plumbing, heat and air-conditioning installation in Indre Østfold
- K & K Vent AS Konkursbo2 Nov 2026
- Lasse Normann Grahl Vvs Service23 Oct 2026
- Rør, Varme & Kjøling AS29 Jul 2026
- Kk Vent AS25 Jun 2026
- Iso&vent Vadeanu15 Jun 2026
- Johansen Service & Maskindrift20 May 2026
- Tarass Rozko Vent AS4 May 2026
- Riera Hernandez Rørleggerservice30 Apr 2026
- Mith-Sprinkler Mikael Thomsen16 Apr 2026
- Jve-Sprinkler Jess Enevoldsen13 Apr 2026
Frequently asked questions
How many companies in plumbing, heat and air-conditioning installation are there in Indre Østfold?
The Register of Legal Entities lists 136 active companies in plumbing, heat and air-conditioning installation in Indre Østfold. 16 of them were registered in the last 12 months.
Which is the largest company in plumbing, heat and air-conditioning installation in Indre Østfold?
Askim & Mysen Rør AS is the largest by number of employees, with 155 employees. The organisation number is 980236226.
How many people work in plumbing, heat and air-conditioning installation in Indre Østfold?
The companies have 505 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 25 of the 25 largest companies have reported employees.
How long have there been companies in plumbing, heat and air-conditioning installation in Indre Østfold?
The oldest active company, Vvs Comfort AS, was founded in 1970. 55% of the companies are limited companies.
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Other industries in the same group in Indre Østfold
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.