Industry code 43.221 · Telemark
Plumbing installation in Porsgrunn
There are 21 active companies in plumbing installation in Porsgrunn. 1 of them were registered in the last 12 months. Together they have 141 registered employees. The largest company is Telerør A/S with 68 employees. The oldest, Kjell Dahlsrud Vvs-Senter AS, was founded in 1986. 86% are limited companies.
- Active companies
- 21
- New in the last 12 months
- 1
- Registered employees
- 141
- Share of limited companies
- 86 %
The largest companies in plumbing 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 | Rørlegger Svein Andersen AS | 917857296 | 5 | NOK 9.8 m | 2016 |
| 6 | Rørleggerekspressen AS | 913947606 | – | NOK 4 m | 2014 |
| 7 | Gass Og Rørservice AS | 914828953 | – | NOK 6 m | 2015 |
| 8 | Varde Holding AS | 915029965 | – | – | 2015 |
| 9 | Gs Varde Eiendom AS | 918844643 | – | NOK 288k | 2017 |
| 10 | Rørleggermester Filip Olsen AS | 927173522 | – | NOK 1.8 m | 2021 |
| 11 | Engh Vann Og Varme AS | 931689355 | – | NOK 4.1 m | 2023 |
| 12 | Thomassen Rørmontasje & Vedlikehold | 935435420 | – | – | – |
| 13 | Rørlegger Anders Hesmyr | 936028799 | – | – | – |
| 14 | Tb Systems AS | 937019904 | – | – | 2026 |
| 15 | Kjell Dahlsrud Vvs-Senter AS | 943091900 | – | – | 1986 |
| 16 | Telerør Eiendom AS | 983250203 | – | NOK 2.3 m | 2001 |
| 17 | Helstedt Vvs Geir Helstedt | 984589646 | – | – | – |
| 18 | Grenland Holding AS | 988910619 | – | NOK 78k | 2005 |
| 19 | Trg AS | 989205749 | – | NOK 690.9k | 2005 |
| 20 | Geh Drift AS | 990568774 | – | – | 2006 |
| 21 | Masosa Holding AS | 996179028 | – | – | 2010 |
Newest companies in plumbing installation in Porsgrunn
- Tb Systems AS22 Jan 2026
- Rørlegger Anders Hesmyr25 Aug 2025
- Thomassen Rørmontasje & Vedlikehold8 May 2025
- Engh Vann Og Varme AS5 Jul 2023
- Rørleggermester Filip Olsen AS31 May 2021
- Norsk Sprinklerteknikk AS4 Nov 2017
- Gs Varde Eiendom AS7 Apr 2017
- Rørlegger Svein Andersen AS10 Oct 2016
- Varde Holding AS2 Mar 2015
- Gass Og Rørservice AS20 Jan 2015
Frequently asked questions
How many companies in plumbing installation are there in Porsgrunn?
The Register of Legal Entities lists 21 active companies in plumbing installation in Porsgrunn. 1 of them were registered in the last 12 months.
Which is the largest company in plumbing 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 installation in Porsgrunn?
The companies have 141 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 5 of the 25 largest companies have reported employees.
How long have there been companies in plumbing installation in Porsgrunn?
The oldest active company, Kjell Dahlsrud Vvs-Senter AS, was founded in 1986. 86% of the companies are limited companies.
Explore further
Plumbing installation in nearby municipalities
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 43.221. Figures are updated continuously.