Industry code 71.129 · Telemark
Other engineering consultancy in Porsgrunn
There are 150 active companies in other engineering consultancy in Porsgrunn. 14 of them were registered in the last 12 months. Together they have 210 registered employees. The largest company is Inflowcontrol AS with 59 employees. The oldest, Proøk AS, was founded in 1990. 56% are limited companies.
- Active companies
- 150
- New in the last 12 months
- 14
- Registered employees
- 210
- Share of limited companies
- 56 %
The largest companies in other engineering consultancy in Porsgrunn
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 | Inflowcontrol AS | 996957691 | 59 | NOK 501.1 m | 2011 |
| 2 | Brevik Engineering AS | 911811251 | 33 | NOK 79.9 m | 2013 |
| 3 | Tsg Holdco AS | 993034169 | 23 | NOK 57.8 m | 2008 |
| 4 | Strukturas AS | 963175094 | 20 | NOK 87.8 m | 1991 |
| 5 | Safelink AS | 997805054 | 15 | NOK 76.6 m | 2012 |
| 6 | Stressman Engineering AS | 996293955 | 11 | NOK 36.2 m | 2010 |
| 7 | Ranold AS | 985987483 | 9 | NOK 27.1 m | 2003 |
| 8 | Stauper Water Technologies AS | 813164132 | 7 | NOK 21.5 m | 2014 |
| 9 | Kmh Elektro AS | 989976044 | 7 | NOK 9.5 m | 2006 |
| 10 | Purenviro AS | 995633000 | 6 | NOK 61.3 m | 2010 |
| 11 | Orderx AS | 916690479 | 5 | NOK 13 m | 2016 |
| 12 | Trosvik Group AS | 924033185 | 5 | NOK 157.5 m | 2019 |
| 13 | Skagerak Utvikling AS | 931066013 | 5 | NOK 3.6 m | 2023 |
| 14 | Skagerak Mobil Energi AS | 933762483 | 5 | NOK 8.5 m | 2024 |
| 15 | Hobtech AS | 811650072 | – | NOK 1.9 m | 2013 |
| 16 | Sl1 Holding AS | 821690102 | – | – | 2018 |
| 17 | Stauper Environment AS | 829349442 | – | NOK 1.6 m | 2022 |
| 18 | Porsgrunn Engineering AS | 834287722 | – | NOK 933.1k | 2024 |
| 19 | Bnw Ahangama Egodage | 835047482 | – | – | – |
| 20 | Markset Norse Armour | 837473292 | – | – | – |
| 21 | Jørgen Young | 837828112 | – | – | – |
| 22 | Project Invest AS | 882145212 | – | NOK 13.2 m | 2000 |
| 23 | Autencia AS | 882396622 | – | NOK 156.3k | 2000 |
| 24 | Førli Eiendom AS | 888670602 | – | NOK 1.7 m | 2005 |
| 25 | Grenland Maritime AS | 898473872 | – | – | 2012 |
Newest companies in other engineering consultancy in Porsgrunn
- Mælandsmo Marine & Offshore Consultants30 Sept 2026
- Karlsson Prosjekt Og Rådgivning30 Sept 2026
- Jørgen Young4 Jun 2026
- Elektro Montasje Milanovic8 May 2026
- Nomos AS7 May 2026
- Amrani Engineering & Project Management AS5 May 2026
- Driftsfokus AS21 Apr 2026
- Markset Norse Armour3 Apr 2026
- Amrani Group AS17 Mar 2026
- Lift Consulting AS12 Mar 2026
Frequently asked questions
How many companies in other engineering consultancy are there in Porsgrunn?
The Register of Legal Entities lists 150 active companies in other engineering consultancy in Porsgrunn. 14 of them were registered in the last 12 months.
Which is the largest company in other engineering consultancy in Porsgrunn?
Inflowcontrol AS is the largest by number of employees, with 59 employees. The organisation number is 996957691.
How many people work in other engineering consultancy in Porsgrunn?
The companies have 210 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 14 of the 25 largest companies have reported employees.
How long have there been companies in other engineering consultancy in Porsgrunn?
The oldest active company, Proøk AS, was founded in 1990. 56% of the companies are limited companies.
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 71.129. Figures are updated continuously.