Industry code 41.000 · Telemark
Construction of buildings in Porsgrunn
There are 125 active companies in construction of buildings in Porsgrunn. 9 of them were registered in the last 12 months. Together they have 211 registered employees. The largest company is Seltor AS with 102 employees. The oldest, Seltor AS, was founded in 1971. 50% are limited companies.
- Active companies
- 125
- New in the last 12 months
- 9
- Registered employees
- 211
- Share of limited companies
- 50 %
The largest companies in construction of buildings 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 | Seltor AS | 915617344 | 102 | NOK 948.6 m | 1971 |
| 2 | Hrl Entreprenør AS | 987259760 | 72 | NOK 355.9 m | 2004 |
| 3 | Grønt Bygg AS | 923594132 | 13 | NOK 6.2 m | 2019 |
| 4 | Telemark Byggteam AS | 911663775 | 10 | NOK 14.3 m | 2013 |
| 5 | Ate AS | 998196310 | 8 | NOK 60.6 m | 2012 |
| 6 | Rugtvedt Bygg AS | 924436328 | 6 | NOK 9.1 m | 2020 |
| 7 | Bygma Kari Matti Häätyla | 823814682 | – | – | – |
| 8 | Deltabryggen AS | 825512462 | – | NOK 6.2 m | 2020 |
| 9 | Dosa Renovasjon AS | 836257162 | – | NOK 580.3k | 2025 |
| 10 | Efun Entreprenør AS | 836388402 | – | NOK 0 | 2025 |
| 11 | Håndverksbygg AS | 866070962 | – | NOK 575.7k | 1993 |
| 12 | Byggmester Eivind Larsen AS | 911601427 | – | NOK 1.9 m | 2013 |
| 13 | Gyrocraft AS | 913109678 | – | NOK 577.2k | 2014 |
| 14 | Entreprenør Bjaaland AS | 914985579 | – | NOK 1.4 m | 2015 |
| 15 | Stm Bygg. Tadas Zukauskas | 915246893 | – | NOK 793.1k | – |
| 16 | Telemark Bygg Service Hans Kristian Mortensen | 915724582 | – | – | – |
| 17 | Moen Industri AS | 916326424 | – | NOK 0 | 2015 |
| 18 | Søndre Lunde Gård | 916897529 | – | – | – |
| 19 | Spon AS | 917111774 | – | NOK 180.4k | 2016 |
| 20 | Byggservice Masys | 917219117 | – | NOK 664.7k | – |
| 21 | Rp Bygg Ponomariovas | 917641781 | – | – | – |
| 22 | Ricardas Bygg Service, Valnickas | 917712581 | – | – | – |
| 23 | Tømrermester Sondre Bakke Arvesen | 917811806 | – | – | – |
| 24 | Powell AS | 919510722 | – | NOK 9.6k | 2017 |
| 25 | Storm-Bygg AS | 919754745 | – | NOK 3.1 m | 2017 |
Newest companies in construction of buildings in Porsgrunn
- Tømrermester Aslaksen AS Konkursbo13 Oct 2026
- Skien Bygg & Entreprenør AS14 Sept 2026
- Mencikovskij Bygg7 May 2026
- Aspaas Byggservice6 May 2026
- Eidbo-Hansen Bygg12 Apr 2026
- Sm Prosjekt AS2 Feb 2026
- Strømstad AS15 Jan 2026
- Espen Leifsen4 Dec 2025
- Buer Bygg&eiendom27 Nov 2025
- Efun Entreprenør AS4 Nov 2025
Frequently asked questions
How many companies in construction of buildings are there in Porsgrunn?
The Register of Legal Entities lists 125 active companies in construction of buildings in Porsgrunn. 9 of them were registered in the last 12 months.
Which is the largest company in construction of buildings in Porsgrunn?
Seltor AS is the largest by number of employees, with 102 employees. The organisation number is 915617344.
How many people work in construction of buildings in Porsgrunn?
The companies have 211 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 6 of the 25 largest companies have reported employees.
How long have there been companies in construction of buildings in Porsgrunn?
The oldest active company, Seltor AS, was founded in 1971. 50% of the companies are limited companies.
Explore further
Construction of buildings 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 41.000. Figures are updated continuously.