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Top 50 CleanTech Companies in Norway (2026)

Norway's CleanTech sector builds on its hydropower heritage and growing focus on hydrogen, offshore wind, and carbon management. This ranking highlights the 50 largest Norwegian CleanTech companies by headcount.

1

🇳🇴 ONESUBSEA AS

1,267 employees15.3B NOK

Global joint venture driving innovation in subsea energy solutions.

2

🇳🇴 NORGES GEOTEKNISKE INSTITUTT AS

416 employees804.6M NOK

Leading international institute researching and consulting on geosciences.

3

🇳🇴 SAR AS

334 employees1.2B NOK

Leading provider of sustainable waste chain management solutions globally.

4

🇳🇴 BRYN BYGGKLIMA AS

258 employees836.4M NOK

Providing expert HVAC installation, service, and clean air solutions for businesses.

5

🇳🇴 BLU ELECTRO AS

213 employees235.4M NOK

Expert electrical, engineering, and automation services provider focused on people.

6

🇳🇴 VIANODE AS

201 employees269K NOK

Sustainable synthetic anode graphite supplier for the EV battery industry.

7

🇳🇴 SLB CAPTURI NORWAY AS

171 employees1.8B NOK

Accelerating industrial decarbonization with proven carbon capture solutions globally.

8

🇳🇴 NEL HYDROGEN ELECTROLYSER AS

155 employees1B NOK

Leading pure-play hydrogen technology company specializing in electrolysers.

9

🇳🇴 SEMCO MARITIME DRIFT AS

143 employees490.3M NOK

Global energy services provider bridging conventional and renewable energy solutions.

10

🇳🇴 SCATEC ASA

126 employees1.4B NOK

Leading provider developing, building, owning renewable energy plants in emerging markets.

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11

🇳🇴 HITEC PRODUCTS AS

116 employees731M NOK

Global system provider specializing in industrial controls and mechanical packages.

12

🇳🇴 LILLEBORG AS

115 employees433.3M NOK

Global provider of water treatment, hygiene, and process solutions.

13

🇳🇴 PERPETUUM AS

100 employees292.5M NOK

Perpetuum is Northern Norway's leading provider of specialized waste services.

14

🇳🇴 SOILTECH OFFSHORE SERVICES AS

98 employees101.2M NOK

Innovative cleantech provider treating industrial water and waste streams.

15

🇳🇴 RETRANS MIDT AS

94 employees134.4M NOK

Efficient, environmentally focused waste collection and transport services provider.

16

🇳🇴 FLM ELEKTRO AS

86 employees101.3M NOK

Total supplier of electrical engineering services for businesses and private clients.

17

🇳🇴 WÄRTSILÄ MOSS AS

86 employees692.6M NOK

Global leader shaping marine and energy decarbonization technology and services.

18

🇳🇴 BORG FORVALTNING AS

75 employees93.2M NOK

Comprehensive real estate services group managing commercial properties lifecycle.

19

🇳🇴 BLUEGREEN FUSION AS

73 employees162.8M NOK

Leading supplier of sustainable, closed aquaculture systems and plastic fabrication.

20

🇳🇴 ZINUS AS

72 employees107.9M NOK

Leading supplier of innovative zero-emission shore power technology for maritime.

21

🇳🇴 VITO TEKNISK ENTREPRENØR AS

67 employees194M NOK

VITO provides total technical contracting for energy-efficient building solutions.

22

🇳🇴 VELDE PUKK AS

60 employees214.1M NOK

Leading Norwegian supplier of asphalt, concrete, and recycled aggregates.

23

🇳🇴 PIXII AS

57 employees684.5M NOK

Pixii delivers modular, smart battery energy storage systems globally.

24

🇳🇴 GULLFESKEN AS

56 employees61.6M NOK

Providing specialized cleaning and inspection services for aquaculture operations.

25

🇳🇴 ANEO MOBILITY AS

55 employees96.4M NOK

Provider of reliable, managed EV charging solutions for housing associations.

26

🇳🇴 PAXSTER AS

55 employees104.9M NOK

Paxster manufactures electric utility vehicles for professional last-mile delivery.

27

🇳🇴 MESKANO AS

54 employees2.5M NOK

Providing work inclusion and diverse services for the community.

28

🇳🇴 OSLO KOMMUNE KLIMAETATEN

54 employees

Oslo's agency driving municipal climate strategy implementation and funding.

29

🇳🇴 BUVIK ELEKTRO AS

52 employees67.6M NOK

Local electrical contractor providing safe, smart installations across sectors.

30

🇳🇴 AUTO 8-8 SILDNES & HALAAS AS

48 employees322.1M NOK

Full-service automotive dealer group selling new and used vehicles.

31

🇳🇴 SCALE AQUACULTURE GROUP AS

48 employees64.7M NOK

Global leader providing technology solutions for sustainable aquaculture farming.

32

🇳🇴 AKER ASA

46 employees

Industrial investment company exercising active ownership for value creation.

33

🇳🇴 ROGALAND GJENVINNING AS

46 employees89.4M NOK

Total supplier of sustainable waste and recycling services for all.

34

🇳🇴 ROGALAND MILJØSANERING AS

46 employees50.8M NOK

Leading Norwegian company specializing in environmental remediation and demolition services.

35

🇳🇴 KVERNELAND ENERGI AS

45 employees193.2M NOK

Developing sustainable energy technology for industrial electrification and transition.

36

🇳🇴 MIDTRE NAMDAL AVFALLSSELSKAP IKS

44 employees154.3M NOK

Intermunicipal company providing essential waste collection and recycling services.

37

🇳🇴 VELDE TRANSPORT AS

43 employees106.1M NOK

Leading supplier of sustainable asphalt, concrete, aggregates, and flooring solutions.

38

🇳🇴 MILJØSANERING NORD AS

41 employees152.7M NOK

Leading provider of specialized environmental remediation and demolition services.

39

🇳🇴 INRIGO AS

40 employees115.4M NOK

Global EPC supplier for tailored water and energy solutions.

40

🇳🇴 GLINT SOLAR AS

39 employees23M NOK

Software accelerating solar and storage project development and site origination.

41

🇳🇴 BLUETEC AS

38 employees101.8M NOK

Leading Norwegian provider of integrated solar, EV charging, and energy storage.

42

🇳🇴 VEOLIA PET NORGE AS

37 employees208.1M NOK

Leading ecological transformation through integrated resource management services.

43

🇳🇴 UNO-X MOBILITY CYCLING AS

36 employees268.2M NOK

Professional cycling team dedicated to sustainable mobility solutions development.

44

🇳🇴 HVEEM ELEKTRO AS

35 employees55.9M NOK

Providing comprehensive electrical solutions for homes, agriculture, and business.

45

🇳🇴 LH ANLEGG AS

34 employees78.1M NOK

LH Anlegg AS provides construction and environmental management services.

46

🇳🇴 RÅDGIVENDE BIOLOGER AS

34 employees59M NOK

Leading Norwegian environmental consultants specializing in marine and terrestrial studies.

47

🇳🇴 TECHEM NORGE AS

34 employees56.1M NOK

Global leader providing digital energy efficiency and smart metering services for buildings.

48

🇳🇴 PLASTO AS

33 employees91.7M NOK

High-precision, automated thermoplastic component manufacturing with strong sustainability focus.

49

🇳🇴 HYDROGENPRO ASA

31 employees191.6M NOK

Global OEM developing high-pressure alkaline electrolyzers for green hydrogen.

50

🇳🇴 POLESTAR AUTOMOTIVE NORWAY AS

31 employees1.2B NOK

Swedish premium electric performance car brand selling advanced EVs globally.

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