Industry code 43 · Akershus
Specialised construction activities in Frogn
There are 175 active companies in specialised construction activities in Frogn. 16 of them were registered in the last 12 months. Together they have 231 registered employees. The largest company is A.i.vent AS with 50 employees. The oldest, Ok Glass AS, was founded in 1982. 40% are limited companies.
- Active companies
- 175
- New in the last 12 months
- 16
- Registered employees
- 231
- Share of limited companies
- 40 %
The largest companies in specialised construction activities in Frogn
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 | A.i.vent AS | 998732328 | 50 | NOK 49.5 m | 2012 |
| 2 | Elektroide AS | 980145433 | 33 | NOK 44.2 m | 1998 |
| 3 | Drøbak Rørleggerservice AS | 845705712 | 32 | NOK 54.7 m | 1987 |
| 4 | Minel Drøbak Elektriske AS | 980433994 | 25 | NOK 34.7 m | 1998 |
| 5 | Steinmontering AS | 974681889 | 12 | NOK 11.2 m | 1995 |
| 6 | Andre Skurdal AS | 920722970 | 11 | NOK 18.5 m | 2018 |
| 7 | Abc Rørteknikk AS | 933372308 | 8 | NOK 14.5 m | 2024 |
| 8 | S Anlegg AS | 925637335 | 7 | NOK 16.7 m | 2020 |
| 9 | Alt Innen Elektro Oslo AS | 926454781 | 7 | NOK 10.5 m | 2021 |
| 10 | Graveteknikk AS | 986980210 | 7 | NOK 12.6 m | 2004 |
| 11 | Drøbak Malermesterservice AS | 990225494 | 7 | NOK 14.1 m | 2006 |
| 12 | Woodstyle AS | 925877115 | 6 | NOK 4.7 m | 2020 |
| 13 | Isodren Montasje AS | 984698305 | 6 | NOK 3.2 m | 2002 |
| 14 | Nesodden Tak AS | 822594352 | 5 | NOK 10.1 m | 2019 |
| 15 | Avi Elektro AS | 919444983 | 5 | NOK 7.8 m | 2017 |
| 16 | Skoglund Maskin AS | 922767459 | 5 | NOK 6.3 m | 2019 |
| 17 | Rørleggeriet AS | 933302652 | 5 | NOK 8 m | 2024 |
| 18 | Trond Olsen Mur & Flis AS | 814084922 | – | NOK 1.9 m | 2014 |
| 19 | Multi Partner Zetlitz | 821891582 | – | – | – |
| 20 | Kentos Holding AS | 825747222 | – | – | 2020 |
| 21 | Flis Og Byggpartner AS | 827934062 | – | NOK 285.8k | 2021 |
| 22 | Bena Bygg AS | 829578182 | – | NOK 3.8 m | 2022 |
| 23 | Hönd - Enerhaugen Mur | 830703462 | – | – | – |
| 24 | S Rørteknikk AS | 831999632 | – | NOK 3 m | 2023 |
| 25 | Fliser & Miljø AS | 833407082 | – | NOK 3.5 m | 2024 |
Newest companies in specialised construction activities in Frogn
- Fafalios Bjerkerud Multiservice6 Nov 2026
- Handy Flottorp28 Oct 2026
- Linerra Rørfornying AS27 Oct 2026
- Madsen Prosjekt & Drift8 Oct 2026
- Hoff Byggteknikk17 Sept 2026
- Nesodden Tak Og Membran AS9 Jul 2026
- B. Helms15 Jun 2026
- Lepa Mariusz Bygg&anlegg Drøbak26 May 2026
- Follo Mikrosement AS15 May 2026
- Orning Rørservice15 May 2026
Frequently asked questions
How many companies in specialised construction activities are there in Frogn?
The Register of Legal Entities lists 175 active companies in specialised construction activities in Frogn. 16 of them were registered in the last 12 months.
Which is the largest company in specialised construction activities in Frogn?
A.i.vent AS is the largest by number of employees, with 50 employees. The organisation number is 998732328.
How many people work in specialised construction activities in Frogn?
The companies have 231 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 17 of the 25 largest companies have reported employees.
How long have there been companies in specialised construction activities in Frogn?
The oldest active company, Ok Glass AS, was founded in 1982. 40% of the companies are limited companies.
Explore further
Specialised construction activities in nearby municipalities
Sub-industries in Frogn
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.

