Industry code 43.21 · Trøndelag
Electrical installation in Trondheim
There are 132 active companies in electrical installation in Trondheim. 10 of them were registered in the last 12 months. Together they have 1,224 registered employees. The largest company is Vintervoll AS with 235 employees. The oldest, Argon Elektro AS, was founded in 1960. 64% are limited companies.
- Active companies
- 132
- New in the last 12 months
- 10
- Registered employees
- 1,224
- Share of limited companies
- 64 %
The largest companies in electrical installation in Trondheim
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 | Vintervoll AS | 929314832 | 235 | NOK 323.1 m | 1979 |
| 2 | Fjeldseth AS | 939351191 | 143 | NOK 232.4 m | 1986 |
| 3 | Elteam AS | 980332551 | 111 | NOK 181.3 m | 1998 |
| 4 | Energipartner AS | 916519338 | 100 | NOK 154.7 m | 2015 |
| 5 | On Energi AS | 998438756 | 86 | NOK 361.3 m | 2012 |
| 6 | Argon Elektro AS | 932607131 | 58 | NOK 98 m | 1960 |
| 7 | Buvik Elektro AS | 944978682 | 54 | NOK 73.8 m | 1987 |
| 8 | Aalmo AS Autorisert Elektroentreprenør | 960121163 | 47 | NOK 81.7 m | 1991 |
| 9 | Elteknikk Trondheim AS | 912599582 | 43 | NOK 60.9 m | 2013 |
| 10 | Skansen Elektro AS | 926060996 | 31 | NOK 39.8 m | 2020 |
| 11 | Elektriker 1 Trondheim AS | 984665547 | 30 | NOK 36.4 m | 2002 |
| 12 | Berg & Wigum AS | 929425677 | 29 | NOK 46.1 m | 2022 |
| 13 | Proff Elektro AS | 996341275 | 25 | NOK 35.7 m | 2010 |
| 14 | Haneseth Simcon Elektro AS | 925769711 | 21 | NOK 29.7 m | 2020 |
| 15 | O.løkken A/S | 931515829 | 20 | NOK 25 m | 1982 |
| 16 | Fossekallen Elektro AS | 932980843 | 19 | NOK 17.1 m | 2024 |
| 17 | Carleif Elektro AS | 943001375 | 18 | NOK 23 m | 1987 |
| 18 | Pk Service AS | 980958779 | 17 | NOK 25.2 m | 1999 |
| 19 | Fremstad & Rokseth AS | 919967765 | 15 | NOK 28.8 m | 1975 |
| 20 | Gerhardsen Elektro AS | 974496585 | 14 | NOK 22.2 m | 1995 |
| 21 | Jølle & Kristensen AS | 916872860 | 13 | NOK 23.3 m | 2016 |
| 22 | Elpartner AS | 930153923 | 13 | – | 2022 |
| 23 | Trondheim Elektro AS | 826716592 | 12 | NOK 23.5 m | 2021 |
| 24 | Fallrø Elektro AS | 977075270 | 12 | NOK 9.9 m | 1996 |
| 25 | Elektrikerservice AS | 975971554 | 11 | NOK 14.6 m | 1995 |
Newest companies in electrical installation in Trondheim
- Nidaros Alarm AS21 Sept 2026
- Jacobsen Electro Consulting18 Sept 2026
- Nordberg Installasjon AS3 Sept 2026
- Andersen Multiservice30 Jul 2026
- Nordcam AS9 Jul 2026
- G Owesen26 May 2026
- Magnus H Halvorsen3 Feb 2026
- Nidelv Elektro AS11 Dec 2025
- Eirik Bergheim7 Dec 2025
- Stian Hasselvold Holding AS21 Nov 2025
Frequently asked questions
How many companies in electrical installation are there in Trondheim?
The Register of Legal Entities lists 132 active companies in electrical installation in Trondheim. 10 of them were registered in the last 12 months.
Which is the largest company in electrical installation in Trondheim?
Vintervoll AS is the largest by number of employees, with 235 employees. The organisation number is 929314832.
How many people work in electrical installation in Trondheim?
The companies have 1,224 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 25 of the 25 largest companies have reported employees.
How long have there been companies in electrical installation in Trondheim?
The oldest active company, Argon Elektro AS, was founded in 1960. 64% of the companies are limited companies.
Explore further
Electrical installation in nearby municipalities
Other industries in the same group in Trondheim
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.