Industry code 43.2 · Østfold
Electrical, plumbing and other construction installation activities in Halden
There are 49 active companies in electrical, plumbing and other construction installation activities in Halden. 6 of them were registered in the last 12 months. Together they have 186 registered employees. The largest company is Rikelektro AS with 58 employees. The oldest, Olaf Hansens Eftf AS, was founded in 1976. 69% are limited companies.
- Active companies
- 49
- New in the last 12 months
- 6
- Registered employees
- 186
- Share of limited companies
- 69 %
The largest companies in electrical, plumbing and other construction installation activities in Halden
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 | Rikelektro AS | 991320164 | 58 | NOK 121.4 m | 2007 |
| 2 | F Jørgensen AS | 952183729 | 29 | NOK 55.9 m | 1989 |
| 3 | Riis Elektro AS | 967907103 | 22 | NOK 46.6 m | 1993 |
| 4 | Olaf Hansens Eftf AS | 912385787 | 17 | NOK 30.8 m | 1976 |
| 5 | Elektrikertjenesten Halden AS | 985700230 | 17 | NOK 21.7 m | 2003 |
| 6 | Elisenberg Elektro AS | 919788143 | 16 | NOK 24 m | 2017 |
| 7 | Kolås Eftf AS | 837576652 | 9 | NOK 19.8 m | 1985 |
| 8 | Halden Rørleggerservice AS | 995653206 | 7 | NOK 19 m | 2010 |
| 9 | Ht Gjerder Østfold Og Akershus AS | 820935772 | 6 | NOK 4.8 m | 2018 |
| 10 | Grandahl Rør AS | 931940236 | 5 | NOK 6.5 m | 2023 |
| 11 | To-Jo Elektro AS | 824666652 | – | NOK 75.1k | 2020 |
| 12 | Ekonect Invest AS | 825879242 | – | NOK 200k | 2020 |
| 13 | Thomas Aas | 837075572 | – | – | – |
| 14 | Golden Bygg & Industri Service | 916879520 | – | – | – |
| 15 | Østby Elektriske V/Anders Østby | 920124143 | – | – | – |
| 16 | El-Smart Installasjon AS | 920538355 | – | NOK 0 | 2018 |
| 17 | Kjell Einar Vaglen | 922176604 | – | – | – |
| 18 | Andreassen Sport | 923849416 | – | – | – |
| 19 | Jvp Holding AS | 924739835 | – | NOK 0 | 2020 |
| 20 | Trefiberisolering Øst AS | 927770865 | – | NOK 1.6 m | 2021 |
| 21 | Mnj Holding AS | 928506533 | – | NOK 0 | 2021 |
| 22 | Skoglund Engineering | 930780901 | – | – | – |
| 23 | K. Killingrød AS | 930833851 | – | NOK 2.2 m | 2023 |
| 24 | Doortech Pedersen | 931906461 | – | – | – |
| 25 | Tranbok AS | 932221470 | – | – | 2023 |
Newest companies in electrical, plumbing and other construction installation activities in Halden
- Hekla Vvs AS28 Sept 2026
- Halden Elektro AS18 Sept 2026
- Halden Vvs AS7 Sept 2026
- Rørlegger Henrik Steinsvik AS22 Jul 2026
- Thomas Aas10 Feb 2026
- Skoland Elektro AS22 Jan 2026
- Rune Brødremoen AS22 Aug 2025
- Halden Ventilasjon AS27 Jun 2025
- Halden Varmepumpeservice AS27 Feb 2025
- Mesterbad Halden AS10 Feb 2025
Frequently asked questions
How many companies in electrical, plumbing and other construction installation activities are there in Halden?
The Register of Legal Entities lists 49 active companies in electrical, plumbing and other construction installation activities in Halden. 6 of them were registered in the last 12 months.
Which is the largest company in electrical, plumbing and other construction installation activities in Halden?
Rikelektro AS is the largest by number of employees, with 58 employees. The organisation number is 991320164.
How many people work in electrical, plumbing and other construction installation activities in Halden?
The companies have 186 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, plumbing and other construction installation activities in Halden?
The oldest active company, Olaf Hansens Eftf AS, was founded in 1976. 69% of the companies are limited companies.
Explore further
Electrical, plumbing and other construction installation activities in nearby municipalities
Other industries in the same group in Halden
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 43.2. Figures are updated continuously.

