Industry code 43.2 · Vestfold
Electrical, plumbing and other construction installation activities in Tønsberg
There are 142 active companies in electrical, plumbing and other construction installation activities in Tønsberg. 7 of them were registered in the last 12 months. Together they have 1,162 registered employees. The largest company is Thermax AS with 128 employees. The oldest, AS Byggisolering, was founded in 1974. 78% are limited companies.
- Active companies
- 142
- New in the last 12 months
- 7
- Registered employees
- 1,162
- Share of limited companies
- 78 %
The largest companies in electrical, plumbing and other construction installation activities in Tønsberg
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 | Thermax AS | 984757514 | 128 | NOK 138.9 m | 2002 |
| 2 | Nli Elektrosystemer AS | 989042335 | 121 | NOK 321.7 m | 2005 |
| 3 | Gran Vvs AS | 985249962 | 108 | NOK 216.1 m | 2003 |
| 4 | Set Elektro AS | 987818549 | 102 | NOK 262.9 m | 2005 |
| 5 | Xpert Installasjon AS | 981574036 | 86 | NOK 187.1 m | 2000 |
| 6 | Alt Installasjon AS | 979384378 | 67 | NOK 133.6 m | 1997 |
| 7 | Avarn Security Teknikk Sør AS | 979276141 | 62 | NOK 104.2 m | 1997 |
| 8 | Pec Elektro Tønsberg AS | 976027663 | 51 | NOK 71.6 m | 1995 |
| 9 | Bluetec AS | 918024883 | 41 | NOK 77 m | 2016 |
| 10 | Itel AS | 923124837 | 41 | NOK 58.4 m | 2019 |
| 11 | Pet Installasjon AS | 932130394 | 36 | NOK 46.6 m | 1982 |
| 12 | Allsikring AS | 918969721 | 29 | NOK 56.4 m | 2017 |
| 13 | Moer Installasjon AS | 923156631 | 28 | NOK 33.8 m | 1979 |
| 14 | Veko AS | 985997349 | 25 | NOK 36.7 m | 2003 |
| 15 | Abot AS | 915331262 | 21 | NOK 35.7 m | 2015 |
| 16 | Elektro 1 Tønsberg AS | 984668910 | 20 | NOK 37.6 m | 2002 |
| 17 | Re Elektroinstallasjon AS | 979523319 | 19 | NOK 20.9 m | 1998 |
| 18 | Norges Elektro AS | 987767855 | 18 | NOK 23.8 m | 2005 |
| 19 | Vvs Rørlegger'n Tønsberg AS | 931493779 | 15 | NOK 35.7 m | 2023 |
| 20 | A/S Even Cudrio | 946995517 | 14 | NOK 19.3 m | 1988 |
| 21 | Pec Elektriker'n AS | 995954176 | 14 | NOK 25.8 m | 2010 |
| 22 | Vestfold Elektro AS | 918695338 | 13 | NOK 13 m | 2017 |
| 23 | Sikkerhetskompaniet AS | 991050523 | 12 | NOK 15.1 m | 2007 |
| 24 | Jens Petter Zetlitz AS | 987662867 | 11 | NOK 13.3 m | 2004 |
| 25 | Slagen Elektriske AS | 991295070 | 11 | NOK 12 m | 2007 |
Newest companies in electrical, plumbing and other construction installation activities in Tønsberg
- Sulaiman Varme Teknikk26 Oct 2026
- Coates Elektromek AS16 Oct 2026
- Barz Solutions AS Tvangsavviklingsbo16 Jun 2026
- Real Rørservice AS16 Apr 2026
- Tbg Elektro AS3 Feb 2026
- Hogsnes Elektro9 Jan 2026
- Danielsen Elektro6 Jan 2026
- Brønn Og Pumpeservice AS24 Jul 2025
- Provolt AS12 Jun 2025
- Myhre Varme Og Sanitær6 Mar 2025
Frequently asked questions
How many companies in electrical, plumbing and other construction installation activities are there in Tønsberg?
The Register of Legal Entities lists 142 active companies in electrical, plumbing and other construction installation activities in Tønsberg. 7 of them were registered in the last 12 months.
Which is the largest company in electrical, plumbing and other construction installation activities in Tønsberg?
Thermax AS is the largest by number of employees, with 128 employees. The organisation number is 984757514.
How many people work in electrical, plumbing and other construction installation activities in Tønsberg?
The companies have 1,162 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 electrical, plumbing and other construction installation activities in Tønsberg?
The oldest active company, AS Byggisolering, was founded in 1974. 78% of the companies are limited companies.
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Electrical, plumbing and other construction installation activities in nearby municipalities
Other industries in the same group in Tønsberg
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.