Company lists · Data refreshed October 2026
Top 25 Energy efficiency engineering firms based in Norway
RevenueBase identified 90 company matches for energy efficiency engineering firms associated with Norway as of October 2026 and tracks 1,909 professional contacts across them, including 720 with verified work emails. Oslo is the largest hub.
This list covers company matches for energy efficiency engineering firms associated with Norway, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 12, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest energy efficiency engineering firms based in Norway
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,134 contacts → | ||||
Exact match “GK er en ledende teknisk entreprenør og servicepartner.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 2 | 82 contacts → | ||||
Exact match “Specialists in thermal energy.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 3 | 49 contacts → | ||||
Exact match “Itech AS er et rådgivende ingeniørfirma med over 30 års erfaring innen tekniske anlegg og bærekraftige løsninger for byggherrer og totalentreprenører.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 4 | 43 contacts → | ||||
Exact match “Entro is an energy- and environmental consultancy firm with two clients – our customers and the environment.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 5 | 40 contacts → | ||||
Exact match “Ingenia tilbyr rådgivende tjenester innen energi- og klima-teknikk, VA, VVS, bygningsfysikk, brannteknikk og ITB.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 6 | 31 contacts → | ||||
Exact match “DNF AS er en ledende teknisk totalleverandør innbefattende fagene VVS, elektro og automasjon.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 7 | 27 contacts → | ||||
Exact match “Fra nyttår ble Erichsen & Horgen en del av Multiconsult.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 8 | 26 contacts → | ||||
Exact match “Gjennom bransjekunnskap, nytenkning og engasjement skal vi tilby energieffektive systemer og tekniske løsninger som øker lønnsomheten og komforten i kommersiell bygningsdrift.”” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 9 | 23 contacts → | ||||
Exact match “Elkraft hjelper bedrifter med å redusere sine totale strømkostnader gjennom optimalisering av strøm, nettleie og energiforbruk.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 10 | 21 contacts → | ||||
Exact match “EvoTek tilbyr rådgivingstjenester innenfor energirådgivning, byggherretjenester og tverrfaglig teknisk rådgivning.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 11 | 20 contacts → | ||||
Exact match “Accelerating Sustainable Evolution – Join Us on Our Journey!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 12 | 17 contacts → | ||||
Exact match “Teknisk entreprenør med Miljø- og energi rådgivning.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 13 | 16 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “Riksheim er en rådgivningsbedrift som tilbyr ingeniørtjenester innenfor miljø og energiløsninger.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “Pascal Automasjon leverer gode løsninger for energisparing og optimalisering av små og store anlegg.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 16 | 10 contacts → | ||||
Exact match “Structor TS Oslo startet opp sin virksomhet januar 2017 og har hyggelige kontorer i Hovfaret 8 på Skøyen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 17 | 10 contacts → | ||||
Exact match “Our mission is to maximize energy access while minimizing environmental impact.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Simien AS (tidligere Simenergi AS) ble etablert i 2019 da Energiportalen AS og ProgramByggerne ANS slo seg sammen for å bygge Norges ledende fagmiljø innen simulering av…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “Termoenergi Norge AS er spesialister på energisparende tiltak innen byggenæringen.#Energimerking #Energirådgivning #Energivurdering tekniske anlegg, Bygningsfysisk prosjektering…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “NODE is an independent consulting engineering company located in the heart of Bergen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 21 | 6 contacts → | ||||
Exact match “Nordisk Energikontroll er totalentreprenør innen fornybar varme- og kjøling.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 22 | 6 contacts → | ||||
Exact match “Working for a better environment and for sustainable use of energy.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match “Du kjenner følelsen: Styret spør om byggets energikarakter, ESG-rapportering og fremtidige energikostnader – og svaret ligger spredt i regneark, fakturaer og magefølelse.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “Prosjekterende selskap innen VVS-faget” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “BTS-Consulting AS leverer konsulenttjenester innen tekniske fag i større bygg.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “energy efficiency engineering firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 90 energy efficiency engineering firms based in Norway
See the full list, filter by size, metro and specialty, and access 720 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Energy efficiency engineering firms based in Norway at a glance
As of Oct 12, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Norway, so it is reported there. Company counts and contact totals on this page are exact for Norway, over 90 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Norway whose business descriptions match “energy efficiency engineering firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 720 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 12, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “energy efficiency engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy efficiency engineering firms are there based in Norway?
RevenueBase identified 90 company matches for energy efficiency engineering firms associated with Norway as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
GK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most energy efficiency engineering firms?
Oslo leads with 20 company records, followed by Alesund (5) and Trondheim (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 720 professional contacts with verified work emails tracked across these 90 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 12, 2026.
Ready to reach these companies? Verified emails and direct dials for all 90 energy efficiency engineering firms based in Norway. Start with a free account, no credit card.
Download this list →Related lists
Energy efficiency engineering firms by geography
- Energy efficiency engineering firms based in Buenos Aires, Argentina
- Energy efficiency engineering firms based in Melbourne, Australia
- Energy efficiency engineering firms based in Sydney, Australia
- Energy efficiency engineering firms based in Vienna, Austria
- Energy efficiency engineering firms based in Belo Horizonte, Brazil
- Energy efficiency engineering firms based in Curitiba, Brazil
- Energy efficiency engineering firms based in Rio De Janeiro, Brazil
- Energy efficiency engineering firms based in Sao Paulo, Brazil
- Energy efficiency engineering firms based in Calgary, Canada
- Energy efficiency engineering firms based in Edmonton, Canada
- Energy efficiency engineering firms based in Montreal, Canada
- Energy efficiency engineering firms based in Toronto, Canada
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Energy efficiency engineering firms based in Buenos Aires, Argentina
- Energy efficiency engineering firms based in Melbourne, Australia
- Energy efficiency engineering firms based in Sydney, Australia
- Energy efficiency engineering firms based in Vienna, Austria
- Energy efficiency engineering firms based in Belo Horizonte, Brazil
- Energy efficiency engineering firms based in Curitiba, Brazil
Company intelligence · public preview
Top 25 energy efficiency engineering firms based in Norway
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 90 matching company records for energy efficiency engineering firms based in Norway, with 1,909 tracked contacts and 720 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 12, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 energy efficiency engineering firms based in Norway
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  GKgk.noHQ: Oslo, NorwayReported employees: 1,001-5,000 | Oslo, Norway | 1,001-5,000 | Exact match | 1,134 contacts → |
“GK er en ledende teknisk entreprenør og servicepartner.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Norsk Energienergi.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 82 contacts → |
“Specialists in thermal energy.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Itech ASitech.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 49 contacts → |
“Itech AS er et rådgivende ingeniørfirma med over 30 års erfaring innen tekniske anlegg og bærekraftige løsninger for byggherrer og totalentreprenører.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ENTROentro.noHQ: Trondheim, NorwayReported employees: 51-200 | Trondheim, Norway | 51-200 | Exact match | 43 contacts → |
“Entro is an energy- and environmental consultancy firm with two clients – our customers and the environment.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ingenia ASingenia.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 40 contacts → |
“Ingenia tilbyr rådgivende tjenester innen energi- og klima-teknikk, VA, VVS, bygningsfysikk, brannteknikk og ITB.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  DNF ASdnf.noHQ: Klepp, NorwayReported employees: 51-200 | Klepp, Norway | 51-200 | Exact match | 31 contacts → |
“DNF AS er en ledende teknisk totalleverandør innbefattende fagene VVS, elektro og automasjon.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Erichsen & Horgen ER Blitt EN DEL AV Multiconsultmulticonsult.noHQ: Oslo, NorwayReported employees: Not recorded | Oslo, Norway | Not recorded | Exact match | 27 contacts → |
“Fra nyttår ble Erichsen & Horgen en del av Multiconsult.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  EM Systemer ASemsystemer.noHQ: Bergen, NorwayReported employees: 51-200 | Bergen, Norway | 51-200 | Exact match | 26 contacts → |
“Gjennom bransjekunnskap, nytenkning og engasjement skal vi tilby energieffektive systemer og tekniske løsninger som øker lønnsomheten og komforten i kommersiell bygningsdrift.”” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Elkraft ASelkraft.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 23 contacts → |
“Elkraft hjelper bedrifter med å redusere sine totale strømkostnader gjennom optimalisering av strøm, nettleie og energiforbruk.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Evotek ASevotek.noHQ: Lysaker, NorwayReported employees: 11-50 | Lysaker, Norway | 11-50 | Exact match | 21 contacts → |
“EvoTek tilbyr rådgivingstjenester innenfor energirådgivning, byggherretjenester og tverrfaglig teknisk rådgivning.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sustevosustevo.comHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 20 contacts → |
“Accelerating Sustainable Evolution – Join Us on Our Journey!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  RK Tekniske ASrk.noHQ: Stavanger, NorwayReported employees: 11-50 | Stavanger, Norway | 11-50 | Exact match | 17 contacts → |
“Teknisk entreprenør med Miljø- og energi rådgivning.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Green Norwaygreennorway.noHQ: Grimstad, NorwayReported employees: 11-50 | Grimstad, Norway | 11-50 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 |  Riksheimriksheim.noHQ: Ålesund, NorwayReported employees: 11-50 | Ålesund, Norway | 11-50 | Exact match | 13 contacts → |
“Riksheim er en rådgivningsbedrift som tilbyr ingeniørtjenester innenfor miljø og energiløsninger.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Pascal Automasjonpascal-automasjon.noHQ: Larvik, NorwayReported employees: 11-50 | Larvik, Norway | 11-50 | Exact match | 10 contacts → |
“Pascal Automasjon leverer gode løsninger for energisparing og optimalisering av små og store anlegg.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Structor Tekniske Systemer ASstructor.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 10 contacts → |
“Structor TS Oslo startet opp sin virksomhet januar 2017 og har hyggelige kontorer i Hovfaret 8 på Skøyen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  TGN Energytgnenergy.comHQ: Tønsberg, NorwayReported employees: 11-50 | Tønsberg, Norway | 11-50 | Exact match | 10 contacts → |
“Our mission is to maximize energy access while minimizing environmental impact.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Simiensimien.noHQ: Lysaker, NorwayReported employees: 11-50 | Lysaker, Norway | 11-50 | Exact match | 9 contacts → |
“Simien AS (tidligere Simenergi AS) ble etablert i 2019 da Energiportalen AS og ProgramByggerne ANS slo seg sammen for å bygge Norges ledende fagmiljø innen simulering av…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Termoenergi Norge AStermoenergi.noHQ: Sandefjord, NorwayReported employees: 11-50 | Sandefjord, Norway | 11-50 | Exact match | 9 contacts → |
“Termoenergi Norge AS er spesialister på energisparende tiltak innen byggenæringen.#Energimerking #Energirådgivning #Energivurdering tekniske anlegg, Bygningsfysisk prosjektering…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Bergen, NorwayReported employees: 11-50 | Bergen, Norway | 11-50 | Exact match | 8 contacts → |
“NODE is an independent consulting engineering company located in the heart of Bergen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Nordisk Energikontroll ASnoen.noHQ: Skjetten, NorwayReported employees: 11-50 | Skjetten, Norway | 11-50 | Exact match | 6 contacts → |
“Nordisk Energikontroll er totalentreprenør innen fornybar varme- og kjøling.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Ensonor ASensonor.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 6 contacts → |
“Working for a better environment and for sustainable use of energy.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  ELDeld365.ioHQ: Skodje, NorwayReported employees: 1-10 | Skodje, Norway | 1-10 | Exact match | 6 contacts → |
“Du kjenner følelsen: Styret spør om byggets energikarakter, ESG-rapportering og fremtidige energikostnader – og svaret ligger spredt i regneark, fakturaer og magefølelse.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | LOE VVS Prosjekt ASloevvs.no HQ: Hønefoss, NorwayReported employees: 1-10 | Hønefoss, Norway | 1-10 | Exact match | 5 contacts → |
“Prosjekterende selskap innen VVS-faget” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Bts-Consulting ASbtsc.noHQ: Sandnes, NorwayReported employees: 1-10 | Sandnes, Norway | 1-10 | Exact match | 4 contacts → |
“BTS-Consulting AS leverer konsulenttjenester innen tekniske fag i større bygg.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 90 company matches
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Energy efficiency engineering firms: dataset insights
October 12, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
90 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Norway, so it is reported there. Company counts and contact totals on this page are exact for Norway, over 90 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 12, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for energy efficiency engineering firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many energy efficiency engineering firms did RevenueBase find based in Norway?
The saved snapshot records 90 matching company records, 1,909 tracked contacts and 720 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 12, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Energy efficiency engineering firms by geography
- Energy efficiency engineering firms based in Buenos Aires, Argentina
- Energy efficiency engineering firms based in Melbourne, Australia
- Energy efficiency engineering firms based in Sydney, Australia
- Energy efficiency engineering firms based in Vienna, Austria
- Energy efficiency engineering firms based in Belo Horizonte, Brazil
- Energy efficiency engineering firms based in Curitiba, Brazil
- Energy efficiency engineering firms based in Rio De Janeiro, Brazil
- Energy efficiency engineering firms based in Sao Paulo, Brazil
- Energy efficiency engineering firms based in Calgary, Canada
- Energy efficiency engineering firms based in Edmonton, Canada
- Energy efficiency engineering firms based in Montreal, Canada
- Energy efficiency engineering firms based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 25 energy efficiency engineering firms based in Norway. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficiency-engineering-firms/norway.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Energy efficiency engineering firms based in Buenos Aires, Argentina
- Energy efficiency engineering firms based in Melbourne, Australia
- Energy efficiency engineering firms based in Sydney, Australia
- Energy efficiency engineering firms based in Vienna, Austria
- Energy efficiency engineering firms based in Belo Horizonte, Brazil
- Energy efficiency engineering firms based in Curitiba, Brazil
Company intelligence · public preview
Top 25 energy efficiency engineering firms based in Norway
RevenueBase records 90 matching company records for energy efficiency engineering firms based in Norway, with 1,909 tracked contacts and 720 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 12, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 energy efficiency engineering firms based in Norway
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | GKgk.no HQ: Oslo, NorwayReported employees: 1,001-5,000 | Oslo, Norway | 1,001-5,000 | Exact match | 1,134 contacts → |
“GK er en ledende teknisk entreprenør og servicepartner.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Norsk Energienergi.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 82 contacts → |
“Specialists in thermal energy.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Itech ASitech.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 49 contacts → |
“Itech AS er et rådgivende ingeniørfirma med over 30 års erfaring innen tekniske anlegg og bærekraftige løsninger for byggherrer og totalentreprenører.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ENTROentro.no HQ: Trondheim, NorwayReported employees: 51-200 | Trondheim, Norway | 51-200 | Exact match | 43 contacts → |
“Entro is an energy- and environmental consultancy firm with two clients – our customers and the environment.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ingenia ASingenia.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 40 contacts → |
“Ingenia tilbyr rådgivende tjenester innen energi- og klima-teknikk, VA, VVS, bygningsfysikk, brannteknikk og ITB.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | DNF ASdnf.no HQ: Klepp, NorwayReported employees: 51-200 | Klepp, Norway | 51-200 | Exact match | 31 contacts → |
“DNF AS er en ledende teknisk totalleverandør innbefattende fagene VVS, elektro og automasjon.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Erichsen & Horgen ER Blitt EN DEL AV Multiconsultmulticonsult.no HQ: Oslo, NorwayReported employees: Not recorded | Oslo, Norway | Not recorded | Exact match | 27 contacts → |
“Fra nyttår ble Erichsen & Horgen en del av Multiconsult.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | EM Systemer ASemsystemer.no HQ: Bergen, NorwayReported employees: 51-200 | Bergen, Norway | 51-200 | Exact match | 26 contacts → |
“Gjennom bransjekunnskap, nytenkning og engasjement skal vi tilby energieffektive systemer og tekniske løsninger som øker lønnsomheten og komforten i kommersiell bygningsdrift.”” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Elkraft ASelkraft.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 23 contacts → |
“Elkraft hjelper bedrifter med å redusere sine totale strømkostnader gjennom optimalisering av strøm, nettleie og energiforbruk.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Evotek ASevotek.no HQ: Lysaker, NorwayReported employees: 11-50 | Lysaker, Norway | 11-50 | Exact match | 21 contacts → |
“EvoTek tilbyr rådgivingstjenester innenfor energirådgivning, byggherretjenester og tverrfaglig teknisk rådgivning.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sustevosustevo.com HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 20 contacts → |
“Accelerating Sustainable Evolution – Join Us on Our Journey!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | RK Tekniske ASrk.no HQ: Stavanger, NorwayReported employees: 11-50 | Stavanger, Norway | 11-50 | Exact match | 17 contacts → |
“Teknisk entreprenør med Miljø- og energi rådgivning.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Green Norwaygreennorway.no HQ: Grimstad, NorwayReported employees: 11-50 | Grimstad, Norway | 11-50 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Riksheimriksheim.no HQ: Ålesund, NorwayReported employees: 11-50 | Ålesund, Norway | 11-50 | Exact match | 13 contacts → |
“Riksheim er en rådgivningsbedrift som tilbyr ingeniørtjenester innenfor miljø og energiløsninger.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Pascal Automasjonpascal-automasjon.no HQ: Larvik, NorwayReported employees: 11-50 | Larvik, Norway | 11-50 | Exact match | 10 contacts → |
“Pascal Automasjon leverer gode løsninger for energisparing og optimalisering av små og store anlegg.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Structor Tekniske Systemer ASstructor.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 10 contacts → |
“Structor TS Oslo startet opp sin virksomhet januar 2017 og har hyggelige kontorer i Hovfaret 8 på Skøyen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | TGN Energytgnenergy.com HQ: Tønsberg, NorwayReported employees: 11-50 | Tønsberg, Norway | 11-50 | Exact match | 10 contacts → |
“Our mission is to maximize energy access while minimizing environmental impact.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Simiensimien.no HQ: Lysaker, NorwayReported employees: 11-50 | Lysaker, Norway | 11-50 | Exact match | 9 contacts → |
“Simien AS (tidligere Simenergi AS) ble etablert i 2019 da Energiportalen AS og ProgramByggerne ANS slo seg sammen for å bygge Norges ledende fagmiljø innen simulering av…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Termoenergi Norge AStermoenergi.no HQ: Sandefjord, NorwayReported employees: 11-50 | Sandefjord, Norway | 11-50 | Exact match | 9 contacts → |
“Termoenergi Norge AS er spesialister på energisparende tiltak innen byggenæringen.#Energimerking #Energirådgivning #Energivurdering tekniske anlegg, Bygningsfysisk prosjektering…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Bergen, NorwayReported employees: 11-50 | Bergen, Norway | 11-50 | Exact match | 8 contacts → |
“NODE is an independent consulting engineering company located in the heart of Bergen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Nordisk Energikontroll ASnoen.no HQ: Skjetten, NorwayReported employees: 11-50 | Skjetten, Norway | 11-50 | Exact match | 6 contacts → |
“Nordisk Energikontroll er totalentreprenør innen fornybar varme- og kjøling.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Ensonor ASensonor.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 6 contacts → |
“Working for a better environment and for sustainable use of energy.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ELDeld365.io HQ: Skodje, NorwayReported employees: 1-10 | Skodje, Norway | 1-10 | Exact match | 6 contacts → |
“Du kjenner følelsen: Styret spør om byggets energikarakter, ESG-rapportering og fremtidige energikostnader – og svaret ligger spredt i regneark, fakturaer og magefølelse.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | LOE VVS Prosjekt ASloevvs.no HQ: Hønefoss, NorwayReported employees: 1-10 | Hønefoss, Norway | 1-10 | Exact match | 5 contacts → |
“Prosjekterende selskap innen VVS-faget” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Bts-Consulting ASbtsc.no HQ: Sandnes, NorwayReported employees: 1-10 | Sandnes, Norway | 1-10 | Exact match | 4 contacts → |
“BTS-Consulting AS leverer konsulenttjenester innen tekniske fag i større bygg.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Energy efficiency engineering firms: dataset insights
October 12, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
90 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Norway, so it is reported there. Company counts and contact totals on this page are exact for Norway, over 90 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 12, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for energy efficiency engineering firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many energy efficiency engineering firms did RevenueBase find based in Norway?
The saved snapshot records 90 matching company records, 1,909 tracked contacts and 720 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 12, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Energy efficiency engineering firms by geography
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- Energy efficiency engineering firms based in Montreal, Canada
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Cite this list
RevenueBase Data Team. Top 25 energy efficiency engineering firms based in Norway. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficiency-engineering-firms/norway.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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