Industry code 43.99 · Østfold
Other specialised construction activities n.e.c. in Fredrikstad
There are 53 active companies in other specialised construction activities n.e.c. in Fredrikstad. 2 of them were registered in the last 12 months. Together they have 285 registered employees. The largest company is Hammerstad Maskin AS with 72 employees. The oldest, AS Diamantboring, was founded in 1975. 62% are limited companies.
- Active companies
- 53
- New in the last 12 months
- 2
- Registered employees
- 285
- Share of limited companies
- 62 %
The largest companies in other specialised construction activities n.e.c. in Fredrikstad
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 | Hammerstad Maskin AS | 980404730 | 72 | NOK 80.6 m | 1998 |
| 2 | Lasse Holst AS | 951787531 | 56 | NOK 108.5 m | 1989 |
| 3 | Kranfører AS | 925777218 | 51 | NOK 34.6 m | 2020 |
| 4 | AS Diamantboring | 927811685 | 25 | NOK 30 m | 1975 |
| 5 | Submara Øst Fredrikstad AS | 932193795 | 20 | NOK 36.3 m | 2023 |
| 6 | Jng Montasje AS | 926179314 | 13 | NOK 15.4 m | 2020 |
| 7 | Borge Miljøservice AS | 925821500 | 12 | NOK 20.7 m | 2020 |
| 8 | Avretting AS | 823797222 | 11 | NOK 13.8 m | 2019 |
| 9 | Sealtech AS | 921052308 | 10 | NOK 4.2 m | 2018 |
| 10 | Holth Bygg & Anlegg AS | 921533586 | 5 | NOK 5.9 m | 2018 |
| 11 | Østfold Uteanlegg AS | 922631107 | 5 | NOK 2.1 m | 2019 |
| 12 | Weberg Rekkverk AS | 931891707 | 5 | NOK 8.8 m | 2023 |
| 13 | Sveising-Bygg AS | 818991592 | – | – | 2017 |
| 14 | Flexi Fug Drift AS | 828193082 | – | NOK 1.5 m | 2021 |
| 15 | Am Peis & Pipe AS | 834223252 | – | NOK 140.5k | 2024 |
| 16 | Østfold Arbeidspartner DA | 879306582 | – | – | 1997 |
| 17 | Ing. Ørnulf Olsen | 914486858 | – | – | – |
| 18 | Flisleggern Robert Glowacki | 919317981 | – | – | – |
| 19 | Tolfsen Holding AS | 920012094 | – | NOK 150k | 2017 |
| 20 | Blastmaster AS | 920936717 | – | NOK 0 | 2018 |
| 21 | P-H Holding AS | 921369018 | – | – | 2018 |
| 22 | Borge Miljøpark AS | 922332533 | – | NOK 2.3 m | 2019 |
| 23 | Work At Heights Ivan Soska | 922851875 | – | – | – |
| 24 | Edwardh Bygg Og Anlegg | 922938806 | – | – | – |
| 25 | Håndverkeren Langen | 924410132 | – | – | – |
Newest companies in other specialised construction activities n.e.c. in Fredrikstad
- Constructum Core AS10 Jul 2026
- Maksyuta Entreprenør29 Jun 2026
- Skorsteinsmurer Hammer26 Aug 2025
- J S Lorentzen25 Aug 2025
- Markus Hansen AS11 Jul 2025
- Norgesbad AS21 Jun 2025
- Am Peis & Pipe AS7 Oct 2024
- S137 Ent AS30 Sept 2024
- Martinsen På Farten6 Jun 2024
- Hl Fix AS28 Dec 2023
Frequently asked questions
How many companies in other specialised construction activities n.e.c. are there in Fredrikstad?
The Register of Legal Entities lists 53 active companies in other specialised construction activities n.e.c. in Fredrikstad. 2 of them were registered in the last 12 months.
Which is the largest company in other specialised construction activities n.e.c. in Fredrikstad?
Hammerstad Maskin AS is the largest by number of employees, with 72 employees. The organisation number is 980404730.
How many people work in other specialised construction activities n.e.c. in Fredrikstad?
The companies have 285 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 12 of the 25 largest companies have reported employees.
How long have there been companies in other specialised construction activities n.e.c. in Fredrikstad?
The oldest active company, AS Diamantboring, was founded in 1975. 62% of the companies are limited companies.
Explore further
Other specialised construction activities n.e.c. in nearby municipalities
Other industries in the same group in Fredrikstad
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 43.99. Figures are updated continuously.