Industry code 43 · Vestfold
Specialised construction activities in Horten
There are 186 active companies in specialised construction activities in Horten. 15 of them were registered in the last 12 months. Together they have 545 registered employees. The largest company is Firing & Thorsen AS with 122 employees. The oldest, Horten Rørleggerbedrift AS, was founded in 1983. 54% are limited companies.
- Active companies
- 186
- New in the last 12 months
- 15
- Registered employees
- 545
- Share of limited companies
- 54 %
The largest companies in specialised construction activities in Horten
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 | Firing & Thorsen AS | 986237356 | 122 | NOK 346.2 m | 2003 |
| 2 | C Kristoffersen & Sønn AS | 985309604 | 53 | NOK 55.7 m | 2003 |
| 3 | Fjell- Og Anleggsteknikk AS | 927459701 | 39 | NOK 28.5 m | 2021 |
| 4 | Hbp Prosjekt AS | 821069572 | 26 | NOK 79.5 m | 2018 |
| 5 | Nilsen Elektro AS | 956338948 | 26 | NOK 43.2 m | 1990 |
| 6 | Bentzen Elektro AS | 983370829 | 25 | NOK 42.9 m | 2001 |
| 7 | Horten Elektro Service AS | 921969104 | 24 | NOK 27.6 m | 2018 |
| 8 | Totaltak AS | 920683800 | 23 | NOK 29.2 m | 2018 |
| 9 | Abc Elektro AS | 936403379 | 21 | – | 2025 |
| 10 | Gecom AS | 937227558 | 19 | NOK 26.2 m | 1985 |
| 11 | Bjørn Gregersen AS | 941070345 | 19 | NOK 37.8 m | 1986 |
| 12 | Energitec AS | 991775463 | 18 | NOK 20.2 m | 2008 |
| 13 | Rustad Bygg AS | 929343085 | 17 | NOK 16.7 m | 2022 |
| 14 | Topp Tak AS | 827245542 | 16 | NOK 14.2 m | 2021 |
| 15 | Multiluft AS | 917786429 | 16 | NOK 42.7 m | 2016 |
| 16 | Horten Bygg Service AS | 921407076 | 16 | NOK 21.2 m | 2018 |
| 17 | Ansko AS | 911981580 | 10 | NOK 7.6 m | 2013 |
| 18 | Haneseth El-Installasjon AS | 986982329 | 10 | NOK 17.4 m | 2004 |
| 19 | Konsept Betong AS | 925710474 | 8 | NOK 8 m | 2020 |
| 20 | Normetal Norge AS | 935134625 | 8 | NOK 10.3 m | 2024 |
| 21 | Borge Maskin Og Landbruk AS | 926376705 | 6 | NOK 3.7 m | 2020 |
| 22 | Bjune Blås & Bygg AS | 926438603 | 6 | NOK 5.3 m | 2021 |
| 23 | Berge Bygg Og Sanering AS | 929646347 | 6 | NOK 775.5k | 2022 |
| 24 | Odd Heiberg AS | 984556128 | 6 | NOK 9.4 m | 2002 |
| 25 | Østlandske Brønn Og Energiboring AS | 918744673 | 5 | NOK 7.8 m | 2017 |
Newest companies in specialised construction activities in Horten
- Sigurd Olaf Tufte2 Nov 2026
- Braat Bygg28 Sept 2026
- Adhiambo ENK6 Sept 2026
- Kalstad Broen31 Aug 2026
- Konarzewski Oppussing13 Jul 2026
- Horten Boligservice AS22 Jun 2026
- Horten Ventilasjon Service AS4 Jun 2026
- Michaelsen Eiendom23 May 2026
- Taraku - Entreprenenør4 Apr 2026
- Ventech Energisystemer AS16 Mar 2026
Frequently asked questions
How many companies in specialised construction activities are there in Horten?
The Register of Legal Entities lists 186 active companies in specialised construction activities in Horten. 15 of them were registered in the last 12 months.
Which is the largest company in specialised construction activities in Horten?
Firing & Thorsen AS is the largest by number of employees, with 122 employees. The organisation number is 986237356.
How many people work in specialised construction activities in Horten?
The companies have 545 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 specialised construction activities in Horten?
The oldest active company, Horten Rørleggerbedrift AS, was founded in 1983. 54% of the companies are limited companies.
Explore further
Specialised construction activities in nearby municipalities
Sub-industries in Horten
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. Figures are updated continuously.