Industry code 23 · Telemark
Manufacture of other non-metallic mineral products in Porsgrunn
There are 7 active companies in manufacture of other non-metallic mineral products in Porsgrunn. No new companies have been registered in the last 12 months. Together they have 201 registered employees. The largest company is Isola AS with 179 employees. The oldest, Porsgrunds Porselænsfabrik AS, was founded in 1885. 43% are limited companies.
- Active companies
- 7
- New in the last 12 months
- 0
- Registered employees
- 201
- Share of limited companies
- 43 %
The largest companies in manufacture of other non-metallic mineral products 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 | Isola AS | 928764745 | 179 | NOK 1.1 bn | 1983 |
| 2 | Porsgrunds Porselænsfabrik AS | 915232523 | 22 | NOK 53.2 m | 1885 |
| 3 | Ai Haugen | 925381284 | – | – | – |
| 4 | Maksym Protskiv | 932705966 | – | – | – |
| 5 | Grenland Stenindustri Samir Badlissi | 937589719 | – | – | – |
| 6 | Porsgrunn Snekkerverksted Jan Sivertsen | 979741901 | – | – | – |
| 7 | Et Holding AS | 989212648 | – | – | 2005 |
Newest companies in manufacture of other non-metallic mineral products in Porsgrunn
- Maksym Protskiv19 Dec 2023
- Ai Haugen22 Jul 2020
- Et Holding AS19 Jan 2006
- Porsgrunn Snekkerverksted Jan Sivertsen15 Apr 1998
- Porsgrunds Porselænsfabrik AS12 Mar 1995
- Isola AS19 Feb 1995
- Grenland Stenindustri Samir Badlissi19 Feb 1995
Frequently asked questions
How many companies in manufacture of other non-metallic mineral products are there in Porsgrunn?
The Register of Legal Entities lists 7 active companies in manufacture of other non-metallic mineral products in Porsgrunn. No new companies have been registered in the last 12 months.
Which is the largest company in manufacture of other non-metallic mineral products in Porsgrunn?
Isola AS is the largest by number of employees, with 179 employees. The organisation number is 928764745.
How many people work in manufacture of other non-metallic mineral products in Porsgrunn?
The companies have 201 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 2 of the 25 largest companies have reported employees.
How long have there been companies in manufacture of other non-metallic mineral products in Porsgrunn?
The oldest active company, Porsgrunds Porselænsfabrik AS, was founded in 1885. 43% of the companies are limited companies.
Explore further
Manufacture of other non-metallic mineral products in nearby municipalities
Sub-industries in Porsgrunn
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 23. Figures are updated continuously.