Industry code 43.21 · Telemark
Electrical installation in Porsgrunn
There are 34 active companies in electrical installation in Porsgrunn. 4 of them were registered in the last 12 months. Together they have 324 registered employees. The largest company is Laugstol AS with 135 employees. The oldest, Installatør Per Øverland AS, was founded in 1971. 82% are limited companies.
- Active companies
- 34
- New in the last 12 months
- 4
- Registered employees
- 324
- Share of limited companies
- 82 %
The largest companies in electrical 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 | Laugstol AS | 964715378 | 135 | NOK 427 m | 1992 |
| 2 | Eltera Skagerrak AS | 918672567 | 45 | NOK 95 m | 2017 |
| 3 | Telerør Elektro AS | 928978192 | 43 | NOK 49.9 m | 2022 |
| 4 | Norsk Områdesikring AS | 997362470 | 35 | NOK 51.7 m | 2011 |
| 5 | Team Energy AS | 919706430 | 29 | NOK 4.7 m | 2017 |
| 6 | Installatør Per Øverland AS | 919811714 | 9 | NOK 10 m | 1971 |
| 7 | Grenland Maritime Elektro AS | 925827495 | 8 | NOK 5.2 m | 2020 |
| 8 | Foss Elektro AS | 985565619 | 8 | NOK 14.1 m | 2003 |
| 9 | Grenland Elektro AS | 946186368 | 7 | NOK 6.3 m | 1988 |
| 10 | Herøya Elektro AS | 957096018 | 5 | NOK 8.9 m | 1990 |
| 11 | Skagerak Elektro AS | 813670992 | – | – | 2014 |
| 12 | Elektroinstallatør Yngvar Andersson | 815422112 | – | – | – |
| 13 | Hn Elektro AS | 911836505 | – | NOK 376.7k | 2013 |
| 14 | Rune Haugvik Hansen / Rhh | 916585454 | – | – | – |
| 15 | Norsk Områdesikring Itv AS | 917635579 | – | NOK 215.9k | 2016 |
| 16 | Paulsen Telecom AS | 925816922 | – | NOK 3 m | 2020 |
| 17 | Hafsund Elektro AS | 927269708 | – | NOK 4.8 m | 2021 |
| 18 | Vedvik Elektro AS | 930473405 | – | NOK 32.1k | 2022 |
| 19 | Telemark Elektrotekniske Tjenester AS | 930715395 | – | NOK 489.4k | 2022 |
| 20 | Rj Gruppen AS | 933470830 | – | NOK 0 | 2024 |
| 21 | 4r3 Equity AS | 934533003 | – | NOK 0 | 2024 |
| 22 | Eliten AS | 935798299 | – | – | 2025 |
| 23 | 4r3 Service AS | 936452639 | – | NOK 142.9k | 2025 |
| 24 | Kristensen El-Ag | 937310226 | – | – | – |
| 25 | Trosvik Elektro AS | 937695128 | – | – | 2026 |
Newest companies in electrical installation in Porsgrunn
- Elektrohjelpen Leonardsen18 Sept 2026
- Ajk Elektro AS15 Sept 2026
- Trosvik Elektro AS11 May 2026
- Kristensen El-Ag17 Mar 2026
- 4r3 Service AS31 Oct 2025
- Eliten AS3 Jul 2025
- 4r3 Equity AS27 Nov 2024
- Rj Gruppen AS21 May 2024
- Telemark Elektrotekniske Tjenester AS27 Jan 2023
- Vedvik Elektro AS19 Dec 2022
Frequently asked questions
How many companies in electrical installation are there in Porsgrunn?
The Register of Legal Entities lists 34 active companies in electrical installation in Porsgrunn. 4 of them were registered in the last 12 months.
Which is the largest company in electrical installation in Porsgrunn?
Laugstol AS is the largest by number of employees, with 135 employees. The organisation number is 964715378.
How many people work in electrical installation in Porsgrunn?
The companies have 324 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 10 of the 25 largest companies have reported employees.
How long have there been companies in electrical installation in Porsgrunn?
The oldest active company, Installatør Per Øverland AS, was founded in 1971. 82% of the companies are limited companies.
Explore further
Electrical 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 43.21. Figures are updated continuously.