Company lists · Data refreshed November 2026
Top 25 General construction contractors based in Oslo, Norway
RevenueBase identified 59 company matches for general construction contractors associated with Oslo, Norway as of November 2026 and tracks 814 professional contacts across them, including 327 with verified work emails. Across Norway, Oslo is the largest hub for this category.
This list covers company matches for general construction contractors associated with Oslo, 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 November 6, 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 general construction contractors based in Oslo, Norway
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 245 contacts → | ||||
Exact match “Betonmast påtar seg alle typer byggeoppdrag over hele landet.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 58 contacts → | ||||
Exact match “Elisabeth Aase etablerte firmaet Aase Byggeadministrasjon AS som et enkeltmannsforetak i 1991.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 54 contacts → | ||||
Exact match “Vår organisasjon Håndverksgruppen Alliero er en totalleverandør av håndverkstjenester og entrepriser innen rehabilitering av eiendom.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 35 contacts → | ||||
Exact match “Moderne Byggfornyelse AS er en entreprenørbedrift med fokus på totalleveranser.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 20 contacts → | ||||
Exact match “Viking Entreprenør A/S ble stiftet 1.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 15 contacts → | ||||
Exact match “T-2 Prosjekt AS er et av Norges mest komplette selskap innen prosjektadministrative tjenester med dyktige rådgivere innen alle fagkategorier - arkitektur, bygg, VVS, elektro og…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 12 contacts → | ||||
Exact match “Oslo Entreprenørbedrift AS er en totalentreprenør og mesterbedrift innen rehabilitering av næringsbygg, borettslag/sameie og offentlig anskaffelse.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 12 contacts → | ||||
Exact match “Workman AS er en Oslo-basert byggentreprenør med solid kompetanse innen byggeteknikk og prosjektledelse.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 10 contacts → | ||||
Exact match “Oslo Prosjektbygg is a construction company with location at Nils Hansensvei 2c, Oslo, Norway.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 7 contacts → | ||||
Exact match “Atom elektro AS is a construction company based out of Gladengveien 3B, Oslo, Norway.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 4 contacts → | ||||
Exact match “Magna Construction Management offers construction management services that involve overseeing the planning, design, and construction of building projects to ensure they are…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 4 contacts → | ||||
Exact match “KPP-Byggadministrasjon as leverer prosjektadministrative tjenester, og tar i det alt vesentlige oppdrag for private og offentlige byggherrer.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “Virkeliggjør ditt byggeprosjekt sammen med oss!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “Aspira AS Aspira AS er et entreprenørselskap med erfarne medarbeidere.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Håndverksteknikk en naturlig samarbeidspartner for små og store oppdragsgivere i privat og offentlig sektor og har bred erfaring innen mindre og større entrepriser.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “Aiming to be a leading building contractor company based in Norway, specializing in providing and optimizing office spaces for our loyal customers, partners, and other commercial…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “Rett Entreprenør skal være din foretrukne partner innen rehabilitering av kontorer og næringsbygg.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “Vollset Landmark Arkitekter er et lite arkitektkontor i Oslo, etablert av Tora Vollset og Hanna Holm Landmark.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “Fra 2021 har Murmester Halimi skiftet navn til Murmester og Entreprenør as, og ansatt prosjektledere med mange tiårs erfaring fra entreprenør og tømrer bransjen.” Recorded in the RevenueBase company graph · Nov 6, 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 “general construction contractors”. 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 59 general construction contractors based in Oslo, Norway
See the full list, filter by size, metro and specialty, and access 327 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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General construction contractors based in Oslo, Norway at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured across the whole Norway list rather than for Oslo, so it is reported there. Company counts and contact totals on this page are exact for Oslo, over 59 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 Oslo, Norway whose business descriptions match “general construction contractors” 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 327 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 November 6, 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 “general construction contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many general construction contractors are there based in Oslo, Norway?
RevenueBase identified 59 company matches for general construction contractors associated with Oslo, Norway as of November 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?
Betonmast tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Norway has the most general construction contractors?
Oslo leads Norway with 59 company records, followed by Bergen (18) and Alesund (10).
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 327 professional contacts with verified work emails tracked across these 59 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 59 general construction contractors based in Oslo, Norway. Start with a free account, no credit card.
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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
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Company intelligence · public preview
Top 25 general construction contractors based in Oslo, Norway
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 59 matching company records for general construction contractors based in Oslo, Norway, with 814 tracked contacts and 327 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: November 6, 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 general construction contractors based in Oslo, 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 |  Betonmastbetonmast.noHQ: Oslo, NorwayReported employees: 501-1,000 | Oslo, Norway | 501-1,000 | Exact match | 245 contacts → |
“Betonmast påtar seg alle typer byggeoppdrag over hele landet.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  AASEaase.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 58 contacts → |
“Elisabeth Aase etablerte firmaet Aase Byggeadministrasjon AS som et enkeltmannsforetak i 1991.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Allieroalliero.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 54 contacts → |
“Vår organisasjon Håndverksgruppen Alliero er en totalleverandør av håndverkstjenester og entrepriser innen rehabilitering av eiendom.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Moderne Byggfornyelse ASbyggfornyelse.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 35 contacts → |
“Moderne Byggfornyelse AS er en entreprenørbedrift med fokus på totalleveranser.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Viking Entreprenør A Svikingentreprenor.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 20 contacts → |
“Viking Entreprenør A/S ble stiftet 1.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  T-2 Prosjektt-2.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 15 contacts → |
“T-2 Prosjekt AS er et av Norges mest komplette selskap innen prosjektadministrative tjenester med dyktige rådgivere innen alle fagkategorier - arkitektur, bygg, VVS, elektro og…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Oslo Entreprenørbedrift ASoseb.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 12 contacts → |
“Oslo Entreprenørbedrift AS er en totalentreprenør og mesterbedrift innen rehabilitering av næringsbygg, borettslag/sameie og offentlig anskaffelse.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Workman ASwman.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 12 contacts → |
“Workman AS er en Oslo-basert byggentreprenør med solid kompetanse innen byggeteknikk og prosjektledelse.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Oslo Prosjektbygg ASosloprosjektbygg.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 10 contacts → |
“Oslo Prosjektbygg is a construction company with location at Nils Hansensvei 2c, Oslo, Norway.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Atom Elektro ASatomelektro.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 7 contacts → |
“Atom elektro AS is a construction company based out of Gladengveien 3B, Oslo, Norway.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Magna Construction Management ASmagna.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 4 contacts → |
“Magna Construction Management offers construction management services that involve overseeing the planning, design, and construction of building projects to ensure they are…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
“KPP-Byggadministrasjon as leverer prosjektadministrative tjenester, og tar i det alt vesentlige oppdrag for private og offentlige byggherrer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Factor ASfactor.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
“Virkeliggjør ditt byggeprosjekt sammen med oss!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | PZ Service ASpzservice.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Oslo Byggentreprenørobe.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Spikern Bygg ASspikernbygg.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Dybvig ASdybvig.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Aspira ASaspira.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 3 contacts → |
“Aspira AS Aspira AS er et entreprenørselskap med erfarne medarbeidere.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Håndverksteknikk AShandverksteknikk.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 3 contacts → |
“Håndverksteknikk en naturlig samarbeidspartner for små og store oppdragsgivere i privat og offentlig sektor og har bred erfaring innen mindre og større entrepriser.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Offjord Entreprenøroffjord.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 3 contacts → |
“Aiming to be a leading building contractor company based in Norway, specializing in providing and optimizing office spaces for our loyal customers, partners, and other commercial…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Kreno ASkreno.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | NOR Construction ASnor-construction.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 |  Rett Entreprenør ASrettentreprenor.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 2 contacts → |
“Rett Entreprenør skal være din foretrukne partner innen rehabilitering av kontorer og næringsbygg.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Vollset Landmark Arkitektervollsetlandmark.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Vollset Landmark Arkitekter er et lite arkitektkontor i Oslo, etablert av Tora Vollset og Hanna Holm Landmark.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Murmester OG Entreprenør ASmuroslo.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 2 contacts → |
“Fra 2021 har Murmester Halimi skiftet navn til Murmester og Entreprenør as, og ansatt prosjektledere med mange tiårs erfaring fra entreprenør og tømrer bransjen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 59 company matches
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General construction contractors: dataset insights
November 6, 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
59 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 across the whole Norway list rather than for Oslo, so it is reported there. Company counts and contact totals on this page are exact for Oslo, over 59 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: November 6, 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 general construction contractors?
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 general construction contractors did RevenueBase find based in Oslo, Norway?
The saved snapshot records 59 matching company records, 814 tracked contacts and 327 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: November 6, 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.
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Cite this list
RevenueBase Data Team. Top 25 general construction contractors based in Oslo, Norway. Snapshot: November 6, 2026. https://revenuebase.ai/companies/general-construction-contractors/norway/oslo.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- New lists
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Company intelligence · public preview
Top 25 general construction contractors based in Oslo, Norway
RevenueBase records 59 matching company records for general construction contractors based in Oslo, Norway, with 814 tracked contacts and 327 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: November 6, 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 general construction contractors based in Oslo, 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 | Betonmastbetonmast.no HQ: Oslo, NorwayReported employees: 501-1,000 | Oslo, Norway | 501-1,000 | Exact match | 245 contacts → |
“Betonmast påtar seg alle typer byggeoppdrag over hele landet.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | AASEaase.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 58 contacts → |
“Elisabeth Aase etablerte firmaet Aase Byggeadministrasjon AS som et enkeltmannsforetak i 1991.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Allieroalliero.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 54 contacts → |
“Vår organisasjon Håndverksgruppen Alliero er en totalleverandør av håndverkstjenester og entrepriser innen rehabilitering av eiendom.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Moderne Byggfornyelse ASbyggfornyelse.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 35 contacts → |
“Moderne Byggfornyelse AS er en entreprenørbedrift med fokus på totalleveranser.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Viking Entreprenør A Svikingentreprenor.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 20 contacts → |
“Viking Entreprenør A/S ble stiftet 1.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | T-2 Prosjektt-2.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 15 contacts → |
“T-2 Prosjekt AS er et av Norges mest komplette selskap innen prosjektadministrative tjenester med dyktige rådgivere innen alle fagkategorier - arkitektur, bygg, VVS, elektro og…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Oslo Entreprenørbedrift ASoseb.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 12 contacts → |
“Oslo Entreprenørbedrift AS er en totalentreprenør og mesterbedrift innen rehabilitering av næringsbygg, borettslag/sameie og offentlig anskaffelse.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Workman ASwman.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 12 contacts → |
“Workman AS er en Oslo-basert byggentreprenør med solid kompetanse innen byggeteknikk og prosjektledelse.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Oslo Prosjektbygg ASosloprosjektbygg.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 10 contacts → |
“Oslo Prosjektbygg is a construction company with location at Nils Hansensvei 2c, Oslo, Norway.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Atom Elektro ASatomelektro.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 7 contacts → |
“Atom elektro AS is a construction company based out of Gladengveien 3B, Oslo, Norway.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Magna Construction Management ASmagna.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 4 contacts → |
“Magna Construction Management offers construction management services that involve overseeing the planning, design, and construction of building projects to ensure they are…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
“KPP-Byggadministrasjon as leverer prosjektadministrative tjenester, og tar i det alt vesentlige oppdrag for private og offentlige byggherrer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Factor ASfactor.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
“Virkeliggjør ditt byggeprosjekt sammen med oss!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | PZ Service ASpzservice.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Oslo Byggentreprenørobe.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Spikern Bygg ASspikernbygg.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Dybvig ASdybvig.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Aspira ASaspira.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 3 contacts → |
“Aspira AS Aspira AS er et entreprenørselskap med erfarne medarbeidere.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Håndverksteknikk AShandverksteknikk.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 3 contacts → |
“Håndverksteknikk en naturlig samarbeidspartner for små og store oppdragsgivere i privat og offentlig sektor og har bred erfaring innen mindre og større entrepriser.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Offjord Entreprenøroffjord.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 3 contacts → |
“Aiming to be a leading building contractor company based in Norway, specializing in providing and optimizing office spaces for our loyal customers, partners, and other commercial…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Kreno ASkreno.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | NOR Construction ASnor-construction.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Rett Entreprenør ASrettentreprenor.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 2 contacts → |
“Rett Entreprenør skal være din foretrukne partner innen rehabilitering av kontorer og næringsbygg.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Vollset Landmark Arkitektervollsetlandmark.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Vollset Landmark Arkitekter er et lite arkitektkontor i Oslo, etablert av Tora Vollset og Hanna Holm Landmark.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Murmester OG Entreprenør ASmuroslo.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 2 contacts → |
“Fra 2021 har Murmester Halimi skiftet navn til Murmester og Entreprenør as, og ansatt prosjektledere med mange tiårs erfaring fra entreprenør og tømrer bransjen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 59 company matches
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General construction contractors: dataset insights
November 6, 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
59 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 across the whole Norway list rather than for Oslo, so it is reported there. Company counts and contact totals on this page are exact for Oslo, over 59 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: November 6, 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 general construction contractors?
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 general construction contractors did RevenueBase find based in Oslo, Norway?
The saved snapshot records 59 matching company records, 814 tracked contacts and 327 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: November 6, 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.
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Cite this list
RevenueBase Data Team. Top 25 general construction contractors based in Oslo, Norway. Snapshot: November 6, 2026. https://revenuebase.ai/companies/general-construction-contractors/norway/oslo.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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