Company lists · Data refreshed November 2026

Top 25 Grid extension contractors based in Norway

RevenueBase identified 50 company matches for grid extension contractors associated with Norway as of November 2026 and tracks 970 professional contacts across them, including 376 with verified work emails. Bergen is the largest hub.

This list covers company matches for grid extension contractors 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 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
50Companies
970Contacts tracked
376Verified emails
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The 25 largest grid extension contractors based in Norway

Ranked by team size
Top 25 of 50 company matches for grid extension contractors based in Norway, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLysaker, NorwayHQ recorded Nov 6, 2026201-500141 contacts →

Exact match

“Nettpartner er en ledende entreprenør innen elektrisk infrastruktur.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchFroland, NorwayHQ recorded Nov 6, 2026201-500129 contacts →

Exact match

“Traftec er Norges ledende elektroentreprenør innen utvikling, drift og vedlikehold av elektroteknisk infrastruktur og belysning langs veier og i tunneler.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSandeid, NorwayHQ recorded Nov 6, 2026201-500118 contacts →

Exact match

“Helgevold er den ledende totaltekniske elektroentreprenøren på Haugalandet, med over 340 dyktige ansatte og en moderne bilpark på 140 kjøretøy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHamar, NorwayHQ recorded Nov 6, 2026201-50075 contacts →

Exact match

“Laje er en entreprenør for bygging av infrastruktur innen fagområdene energi, telekommunikasjon og veilys/veiteknikk.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchFredrikstad, NorwayHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“Nett-Tjenester AS prosjekterer, bygger og drifter elektrisk infrastruktur for netteiere, selskap innen kraftproduksjon, industri og privat kunder.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBergen, NorwayHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“REN is a service provider for companies who build and operate systems for transmission and distribution of electrical energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchVåle, NorwayHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“ALT Installasjon - vårt valg av navn er ingen tilfeldighet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDale, NorwayHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Hywer supplies a wide range of services in the renewable energy industry, ranging from- Engineering, Procurement and Construction (EPC-contracts) delivering complete hydropower…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBergen, NorwayHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“Pettersson & Gjellesvik (PG) er en ledende elektroentreprenør i Bergensregionen og totalleverandør av elektroinstallasjoner innen privat, offentlig og næringsmarkedet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDrammen, NorwayHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“ECT AS er et av Norges største selvstendige rådgivende ingeniørfirma innenfor elektroteknikk, med fokus på energi, bygg, anlegg, industri og samferdsel.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBergen, NorwayHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Jøsok er et uavhengig rådgivende konsulentselskap som ble etablert i 1974.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDrammen, NorwayHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Fremst AS er et rådgivende ingeniørselskap spesialisert på elektroteknikk.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMoss, NorwayHQ recorded Nov 6, 202651-20014 contacts →

Exact match

“Moss Elektro is a company based out of Årvollskogen 10, Moss, Viken, Norway.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchVestnes, NorwayHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“POWERLINE NO D.O.O.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchÅlesund, NorwayHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Alfred Nesset er totalleverandør av elektro, automasjon, tavleproduksjon og telekommunikasjon.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchFlorø, NorwayHQ recorded Nov 6, 202611-5010 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSøgne, NorwayHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Opp Kraftledningstjenester AS is an innovative power line construction and optical fiber installation company with self owned and managed helicopter services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchDrammen, NorwayHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Entreprenør og EPC-leverandør for trafo- og koblingsstasjoner, høyspentlinjer og industri.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchStavanger, NorwayHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Relatek Elektro AS er en elektrobedrift lokalisert i Stavanger.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchStraume, NorwayHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Øygarden Elektriske ble etablert i 1954 og er totalleverandør av elektriske installasjoner for bedrifts- og privatmarkedet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSandnes, NorwayHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Miljø Elektro AS is a construction company based out of 25 Dreierveien, Sandnes, Norway.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchDokka, NorwayHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Din totalleverandør av elektrotjenester”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchVoss, NorwayHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Voss Elconsult is a company based out of Rognsbakken 6, Voss, Vestland, Norway.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchStavanger, NorwayHQ recorded Nov 6, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAlta, NorwayHQ recorded Nov 6, 202611-501 contacts →

Exact match

“Vi er et nasjonalt entreprenørselskap innen utbygging av elektrisk infrastruktur, med utgangspunkt i våre 4 kjerneområder som er veglys og områdebelysning, El-kraft, Smartebygg og…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 50 grid extension contractors based in Norway

See the full list, filter by size, metro and specialty, and access 376 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grid extension contractors based in Norway at a glance

As of Nov 6, 2026
38.8%Verified-email coverage
19.4Average contacts per company
11-50Median size (employees)
8.0%Largest-city concentration · Bergen
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
15
11-50
21
51-200
8
201-500
4

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 50 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 “grid extension 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 376 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 “grid extension contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grid extension contractors are there based in Norway?

RevenueBase identified 50 company matches for grid extension contractors associated with 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?

Nettpartner AS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most grid extension contractors?

Bergen leads with 4 company records, followed by Oslo (3) and Hamar (2).

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 376 professional contacts with verified work emails tracked across these 50 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.

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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.