Industry code 43.22 · Telemark
Plumbing, heat and air-conditioning installation in Porsgrunn
There are 35 active companies in plumbing, heat and air-conditioning installation in Porsgrunn. 1 of them were registered in the last 12 months. Together they have 159 registered employees. The largest company is Telerør A/S with 68 employees. The oldest, Stabil Eiendom AS, was founded in 1984. 80% are limited companies.
- Active companies
- 35
- New in the last 12 months
- 1
- Registered employees
- 159
- Share of limited companies
- 80 %
The largest companies in plumbing, heat and air-conditioning installation in Porsgrunn
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 | Telerør A/S | 946858021 | 68 | NOK 121.6 m | 1988 |
| 2 | Norsk Sprinklerteknikk AS | 919847816 | 27 | NOK 38 m | 2017 |
| 3 | Porsgrunn Rørleggerforretning AS | 924001216 | 22 | NOK 47.5 m | 1987 |
| 4 | Teleklima AS | 990330255 | 19 | NOK 54.6 m | 2006 |
| 5 | Stabil Varme Service AS | 998726530 | 10 | NOK 31.3 m | 2012 |
| 6 | Tkt Inneklima AS | 923792333 | 8 | NOK 37.2 m | 2019 |
| 7 | Rørlegger Svein Andersen AS | 917857296 | 5 | NOK 9.8 m | 2016 |
| 8 | Fosse Klimaservice AS | 830788832 | – | NOK 1.1 m | 2023 |
| 9 | Service Hansen | 912278689 | – | – | – |
| 10 | Rørleggerekspressen AS | 913947606 | – | NOK 4 m | 2014 |
| 11 | Gass Og Rørservice AS | 914828953 | – | NOK 6 m | 2015 |
| 12 | Varde Holding AS | 915029965 | – | – | 2015 |
| 13 | Pancom Management AS | 917175853 | – | NOK 6.2 m | 2016 |
| 14 | Gs Varde Eiendom AS | 918844643 | – | NOK 288k | 2017 |
| 15 | Telemark Montering Lande | 919373490 | – | – | – |
| 16 | Amundsen Ventilasjon Holding AS | 926849700 | – | – | 2021 |
| 17 | Rørleggermester Filip Olsen AS | 927173522 | – | NOK 1.8 m | 2021 |
| 18 | Entreprenørfinans AS | 927515806 | – | – | 2021 |
| 19 | Grenland Energispar AS | 930471607 | – | NOK 4.8 m | 2022 |
| 20 | Engh Vann Og Varme AS | 931689355 | – | NOK 4.1 m | 2023 |
| 21 | Effektiv Montasje AS | 934056736 | – | NOK 1.6 m | 2024 |
| 22 | Thomassen Rørmontasje & Vedlikehold | 935435420 | – | – | – |
| 23 | Stabil Eiendom AS | 935782007 | – | NOK 1.9 m | 1984 |
| 24 | Jd Elektroservice Van | 935900840 | – | – | – |
| 25 | Rørlegger Anders Hesmyr | 936028799 | – | – | – |
Newest companies in plumbing, heat and air-conditioning installation in Porsgrunn
- Tb Systems AS22 Jan 2026
- Rørlegger Anders Hesmyr25 Aug 2025
- Jd Elektroservice Van30 Jul 2025
- Thomassen Rørmontasje & Vedlikehold8 May 2025
- Effektiv Montasje AS9 Sept 2024
- Engh Vann Og Varme AS5 Jul 2023
- Fosse Klimaservice AS8 Feb 2023
- Grenland Energispar AS14 Dec 2022
- Entreprenørfinans AS9 Aug 2021
- Rørleggermester Filip Olsen AS31 May 2021
Frequently asked questions
How many companies in plumbing, heat and air-conditioning installation are there in Porsgrunn?
The Register of Legal Entities lists 35 active companies in plumbing, heat and air-conditioning installation in Porsgrunn. 1 of them were registered in the last 12 months.
Which is the largest company in plumbing, heat and air-conditioning installation in Porsgrunn?
Telerør A/S is the largest by number of employees, with 68 employees. The organisation number is 946858021.
How many people work in plumbing, heat and air-conditioning installation in Porsgrunn?
The companies have 159 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 Porsgrunn?
The oldest active company, Stabil Eiendom AS, was founded in 1984. 80% 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 Porsgrunn
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.

