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Proffi

Industry code 43.223

Ventilation installation

698 active companies are registered in this industry. The figures below come from the Register of Business Enterprises and the Register of Company Accounts, and are based on the 387 companies we have accounts for.

Active companies
698
Typical revenue (median)
NOK 6.1 m
Typical operating margin
5 %
Share with a profit
73.7 %

Largest companies by revenue

  1. 1Gk Norge ASOsloNOK 4.8 bn
  2. 2Energima Bidco ASBærumNOK 2 bn
  3. 3Energima ASBærumNOK 820.9 m
  4. 4Aeron ASFlekkefjordNOK 781.6 m
  5. 5Bryn Byggklima ASAskerNOK 734 m
  6. 6Randem & Hübert ASOsloNOK 560.3 m
  7. 7Hamstad ASTrondheimNOK 480.6 m
  8. 8Haaland Klima ASOsloNOK 426.6 m
  9. 9Infravent ASBærumNOK 286.9 m
  10. 10Gk Gruppen ASOsloNOK 250.4 m

Largest employers

  1. 1Gk Norge ASOslo1845 employees
  2. 2Bryn Byggklima ASAsker256 employees
  3. 3Hamstad ASTrondheim153 employees
  4. 4Aeron ASFlekkefjord144 employees
  5. 5Randem & Hübert ASOslo129 employees
  6. 6Energima ASBærum125 employees
  7. 7Agder Ventilasjon ASKristiansand102 employees
  8. 8Haaland Klima ASOslo97 employees
  9. 9Nordvest Miljø ASÅlesund85 employees
  10. 10Klima Og Bygg ASOslo64 employees

Where is the industry based?

  • Oslo57
  • Bergen40
  • Indre Østfold35
  • Trondheim32
  • Bærum30
  • Øygarden19
  • Drammen18
  • Stavanger18
  • Asker16
  • Sandnes14
  • Moss12
  • Sandefjord12

Largest municipalities for ventilation installation

Median means half of the companies are above and half below. Figures are updated continuously and are only shown for companies with public accounts.

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