Industry code 09.109 · Rogaland
Other support services for petroleum and natural gas extraction in Stavanger
There are 61 active companies in other support services for petroleum and natural gas extraction in Stavanger. No new companies have been registered in the last 12 months. Together they have 5,073 registered employees. The largest company is Schlumberger Norge AS with 2,490 employees. The oldest, Norsk Svalbardolje AS Ks, was founded in 1969. 72% are limited companies.
- Active companies
- 61
- New in the last 12 months
- 0
- Registered employees
- 5,073
- Share of limited companies
- 72 %
The largest companies in other support services for petroleum and natural gas extraction in Stavanger
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 | Schlumberger Norge AS | 968360302 | 2,490 | NOK 13 bn | 1993 |
| 2 | Kaefer Energy AS | 910608193 | 1,799 | NOK 3.5 bn | 1977 |
| 3 | Nov Wellbore Technologies Norway Llc NUF | 985377545 | 172 | NOK 978.7 m | – |
| 4 | Three60 Energy Norway AS | 996926524 | 119 | NOK 653.8 m | 2011 |
| 5 | Scan Tech AS | 974348128 | 87 | NOK 266.3 m | 1995 |
| 6 | Tdw Offshore Services AS | 979836546 | 77 | NOK 155.6 m | 1998 |
| 7 | Sub Sea Services AS | 982734150 | 72 | NOK 286.8 m | 2000 |
| 8 | Score AS | 967555282 | 69 | NOK 278.6 m | 1993 |
| 9 | Izomax AS | 930290998 | 53 | NOK 197.9 m | 2022 |
| 10 | Cactus International AS | 913147758 | 40 | – | 1976 |
| 11 | Toolserv AS | 991711775 | 31 | NOK 117.7 m | 2007 |
| 12 | Independent Oil Tools AS | 989675281 | 27 | – | 2006 |
| 13 | Trade Tech AS | 983923313 | 22 | NOK 47.2 m | 2001 |
| 14 | Scanwell AS | 991674543 | 10 | NOK 43.2 m | 2007 |
| 15 | Heygaz Norway AS | 933042529 | 5 | NOK 2.4 m | 2024 |
| 16 | Altera Infrastructure Crewing AS | 811593362 | – | – | 2013 |
| 17 | Sarepta Oil AS | 817901352 | – | NOK 0 | 2016 |
| 18 | Skaale Subsea | 820402332 | – | – | – |
| 19 | Phronteseas AS | 826394862 | – | NOK 41 m | 2020 |
| 20 | Rockwood Consulting AS | 829350882 | – | NOK 2.5 m | 2022 |
| 21 | Nansen Spirit Llc NUF | 830823182 | – | NOK 110.9 m | – |
| 22 | Boskalis Offshore AS | 850160112 | – | NOK 20.1 m | 1988 |
| 23 | Arild Kr Thorsrud | 866576602 | – | – | – |
| 24 | Haggi Invest AS | 888419632 | – | – | 2005 |
| 25 | Saga Offshore Partners AS | 912977536 | – | NOK 10.7 m | 2013 |
Newest companies in other support services for petroleum and natural gas extraction in Stavanger
- Nøste Holding AS5 Apr 2025
- Smeaheia Carbon Storage ANS31 Oct 2024
- Oms Investering AS10 Oct 2024
- Aeonian 36 AS9 Jul 2024
- Heygaz Norway AS14 Mar 2024
- Haugvaldstad Consulting21 Jul 2023
- Nansen Spirit Llc NUF13 Mar 2023
- Peary Spirit Llc NUF13 Mar 2023
- Izomax AS22 Nov 2022
- Rockwood Consulting AS14 Jun 2022
Frequently asked questions
How many companies in other support services for petroleum and natural gas extraction are there in Stavanger?
The Register of Legal Entities lists 61 active companies in other support services for petroleum and natural gas extraction in Stavanger. No new companies have been registered in the last 12 months.
Which is the largest company in other support services for petroleum and natural gas extraction in Stavanger?
Schlumberger Norge AS is the largest by number of employees, with 2,490 employees. The organisation number is 968360302.
How many people work in other support services for petroleum and natural gas extraction in Stavanger?
The companies have 5,073 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 15 of the 25 largest companies have reported employees.
How long have there been companies in other support services for petroleum and natural gas extraction in Stavanger?
The oldest active company, Norsk Svalbardolje AS Ks, was founded in 1969. 72% 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 09.109. Figures are updated continuously.

