Industry code 43.22 · Akershus
Plumbing, heat and air-conditioning installation in Nordre Follo
There are 99 active companies in plumbing, heat and air-conditioning installation in Nordre Follo. 9 of them were registered in the last 12 months. Together they have 291 registered employees. The largest company is Thermo Control AS with 109 employees. The oldest, Sbg Invest AS, was founded in 1919. 75% are limited companies.
- Active companies
- 99
- New in the last 12 months
- 9
- Registered employees
- 291
- Share of limited companies
- 75 %
The largest companies in plumbing, heat and air-conditioning installation in Nordre Follo
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 | Thermo Control AS | 979439334 | 109 | NOK 385.1 m | 1997 |
| 2 | Solheim Og Larsen Klima AS | 999317391 | 50 | NOK 235.9 m | 2012 |
| 3 | Kbs Klima Og Byggservice AS | 935705304 | 28 | NOK 77.3 m | 2025 |
| 4 | Ski Vvs AS | 866320802 | 21 | NOK 38.7 m | 1993 |
| 5 | Kristiansen Rørservice AS | 934936779 | 18 | NOK 27.4 m | 2024 |
| 6 | Tmt Gruppen AS | 936418090 | 13 | NOK 326.7k | 2025 |
| 7 | Total Rørservice AS | 990978476 | 11 | NOK 13.1 m | 2007 |
| 8 | Lauritsen Vvs AS | 920643086 | 8 | NOK 14.3 m | 2018 |
| 9 | Follo Varmepumpe Teknikk AS | 921692560 | 7 | NOK 12.9 m | 2018 |
| 10 | Sdv Klima AS | 887658072 | 6 | NOK 23.4 m | 2004 |
| 11 | Optimal Kjøling AS | 928603024 | 5 | NOK 11.8 m | 2022 |
| 12 | Rørportalen AS | 931851705 | 5 | NOK 10.6 m | 2023 |
| 13 | Rørleggermester Tommy Paulsen & Sønner AS | 951642894 | 5 | NOK 17.6 m | 1989 |
| 14 | Brødrene Larsen Vvs AS | 982004217 | 5 | NOK 4.8 m | 2000 |
| 15 | Rørfix AS | 813034492 | – | NOK 3.8 m | 2013 |
| 16 | Ask Vvs AS | 828660152 | – | NOK 5.7 m | 2022 |
| 17 | Icing Invest AS | 829083442 | – | NOK 0 | 2022 |
| 18 | Tehnoair AS | 829536722 | – | NOK 3.6 m | 2022 |
| 19 | Tg Invest AS | 835576132 | – | NOK 0 | 2025 |
| 20 | Thollefsen Rør Og Vedlikehold | 835929922 | – | – | – |
| 21 | Rørmann AS | 837296862 | – | – | 2026 |
| 22 | Thollefsen Bolig Bereder | 837361222 | – | – | – |
| 23 | Nikolaysen Rørservice AS | 837567432 | – | – | 2026 |
| 24 | Rett Rørlegger Thauland | 838744192 | – | – | – |
| 25 | El-Kjeleteknikk AS | 879814162 | – | NOK 3.4 m | 1998 |
Newest companies in plumbing, heat and air-conditioning installation in Nordre Follo
- Rett Rørlegger Thauland23 Oct 2026
- Våtromspartner AS13 Jul 2026
- Rørekspressen Kader25 Jun 2026
- Rørlegger S. Jensen9 Jun 2026
- Lønn Vvs & Bygg AS12 May 2026
- Nikolaysen Rørservice AS20 Apr 2026
- Thollefsen Bolig Bereder15 Mar 2026
- Rørmann AS5 Mar 2026
- Rørlegger Hågbo1 Feb 2026
- Tmt Gruppen AS22 Oct 2025
Frequently asked questions
How many companies in plumbing, heat and air-conditioning installation are there in Nordre Follo?
The Register of Legal Entities lists 99 active companies in plumbing, heat and air-conditioning installation in Nordre Follo. 9 of them were registered in the last 12 months.
Which is the largest company in plumbing, heat and air-conditioning installation in Nordre Follo?
Thermo Control AS is the largest by number of employees, with 109 employees. The organisation number is 979439334.
How many people work in plumbing, heat and air-conditioning installation in Nordre Follo?
The companies have 291 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 14 of the 25 largest companies have reported employees.
How long have there been companies in plumbing, heat and air-conditioning installation in Nordre Follo?
The oldest active company, Sbg Invest AS, was founded in 1919. 75% of the companies are limited companies.
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Other industries in the same group in Nordre Follo
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.

