Ventilation installation
SN2025, Norwegian SIC · 43.223ISIC 43 · Specialised construction activitiesF · Construction
Live companies720main activity 43.223
New, past 12 months7410.3% of live
Median age6 yrsof live companies
Liquidation or administration141.9%
Oldest1967incorporated 3 May 1967
When they were founded
Live companies by year of incorporation, past 15 years.
Counties
Where these companies have their registered office.
| Akershus | 111 | |
| Vestland | 90 | |
| Østfold | 87 | |
| Oslo | 64 | |
| Rogaland | 61 | |
| Trøndelag | 56 | |
| Buskerud | 44 | |
| Vestfold | 36 | |
| Innlandet | 34 | |
| Møre og Romsdal | 29 | |
| Troms | 28 | |
| Agder | 27 | |
| Telemark | 21 | |
| Nordland | 18 | |
| Finnmark | 4 |
Towns with the most
Live companies in this activity by town.
Companies
720 live companies, oldest first. Page 1 of 15.
| Company | Town | Incorporated |
|---|---|---|
| Fredrikstad Ventilasjons- og Blikkenslagerforretning AS 911829614 | Gressvik | 3 May 1967 |
| Sverre Foss Blikkenslagerverksted AS 911781352 | Holmestrand | 4 Dec 1967 |
| Bergen Luftteknikk AS 925422622 | Nyborg | 8 Jul 1970 |
| Ingeniørfirmaet L S Solland AS 918160922 | Stavanger | 24 Apr 1973 |
| Nor-Klima AS 916478399 | Drammen | 24 Jun 1977 |
| A Leversund & Co AS 931904485 | Vinterbro | 4 Jan 1982 |
| Automatikk Montasje AS 933144178 | Oslo | 1 Feb 1982 |
| Aircomfort Trøndelag AS 933155293 | Verdal | 20 Sept 1982 |
| Folkestad Eiendom AS 933617750 | Bø i Telemark | 1 Jan 1983 |
| Aurskog Ventilasjon og Blikkenslagerverksted AS 934907817 | Aurskog | 2 Jan 1984 |
| Venty AS 936238297 | Straume | 2 Jan 1985 |
| Egil Lerø & Sønner AS 936987516 | Kleppestø | 2 Jan 1985 |
| Ing S D Baastad AS 836946162 | Oslo | 19 Feb 1985 |
| Entek AS 937092407 | Sandefjord | 10 Sept 1985 |
| Aeron AS 937775741 | Flekkefjord | 30 Sept 1985 |
| AS Sandviken Center 938105111 | Bergen | 29 Nov 1985 |
| B S Teknikk AS 840530752 | Oslo | 10 Feb 1986 |
| Klimaservice AS 939275150 | Bardu | 1 Jun 1986 |
| KK-Ventilasjon AS 940219973 | Hjelset | 30 Jun 1986 |
| Hamstad AS 936164226 | Flatåsen | 1 Sept 1986 |
| Vennesla Blikkenslagerverksted AS 944121897 | Vennesla | 18 Feb 1987 |
| Gupex AS 943705879 | Oslo | 9 Mar 1987 |
| Aluman Trondheim A/S 846355022 | Trondheim | 31 Aug 1987 |
| Norblikk AS 950402415 | Florø | 30 Dec 1987 |
| A. Vikhagen AS 947535560 | Molde | 30 Jan 1988 |
| Luftkvalitet AS 947022148 | Oslo | 20 Apr 1988 |
| Klima og Energiteknikk AS 950086122 | Sauda | 1 Nov 1988 |
| Norovent AS 955521668 | Haugesund | 9 Jan 1990 |
| Lillehammer Ventilasjon AS 958077289 | Lillehammer | 1 Mar 1990 |
| Ener-Produkt AS 957721672 | Bø i Telemark | 15 May 1990 |
| Ventec AS 957698085 | Lillesand | 8 Jun 1990 |
| Varme- og Miljøteknikk AS 957858309 | Vinterbro | 29 Jun 1990 |
| Bærum Blikk og Ventilasjon AS 959615985 | Rud | 8 Dec 1990 |
| Aritech Harstad AS 961227062 | Harstad | 28 Jun 1991 |
| Assemblin Ventilasjon AS 965123385 | Lier | 6 Oct 1992 |
| Klimapro AS 966376368 | Tiller | 31 Mar 1993 |
| Ok Ventilasjon AS 968407147 | Torpo | 3 Jan 1994 |
| Sandviken Center Ventilasjonsservice AS 968941399 | Bergen | 28 Feb 1994 |
| Haugesund Ventilasjon Service AS 970968733 | Avaldsnes | 17 May 1994 |
| Ingeniørteknikk AS 971157682 | Ski | 31 May 1994 |
| Ventilasjonsrens AS 971089121 | Oslo | 7 Aug 1994 |
| Heia AS 871509662 | Notodden | 9 Dec 1994 |
| Jensen Blikk og Ventilasjon AS 974212536 | Lierstranda | 3 Feb 1995 |
| Bjørn Valles Ventilasjonsservice 948907887 | Porsgrunn | 19 Feb 1995 |
| Oddbjørn Sandvik 960163303 | Melhus | 20 Feb 1995 |
| Fredlund Bjørn 970431551 | Fluberg | 20 Feb 1995 |
| DIN BLIKKENSLAGER Henning Carstensen 874362972 | Drammen | 19 May 1995 |
| Blikra & Søderblom AS 974630214 | Østerås | 30 Jun 1995 |
| T Hagen Blikk & Ventilasjonsforretning 975941655 | Sømna | 13 Dec 1995 |
| Sandefjord Ventilasjon & Montasje S. Olsen 976109465 | Sandefjord | 20 Feb 1996 |