Company lists · Data verified August 2026

Top 25 List building services based in Norway

Name: List building services based in Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 252 companies tracked

There are 252 list building services headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 1,487 professional contacts across them, including 544 with verified work emails and 45 with mobile numbers. Oslo is the largest hub.

This list covers list building services headquartered in Norway, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

252Companies

1,487Contacts tracked

544Verified emails

45Mobile numbers

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The 25 largest list building services based in Norway

Ranked by team size

Top 25 of 252 list building services based in Norway, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Ruta Entreprenør AS	Oslo	201-500	93	64
2	Powerhouse Company	Oslo	51-200	91	43
	RevenueBasePublisher of this directory	Boston, MA	n/a	n/a	Try free
3	Norgeshus	Melhus	1,001-5,000	88	32
4	Akasia	Bergen	51-200	77	15
5	Solid Entreprenør AS	Rolvsoy	201-500	73	34
6	Alliero	Oslo	51-200	52	12
7	Stoltz Entreprenør AS	Bergen	51-200	42	15
8	Pir2	Trondheim	11-50	32	18
9	FABER	Stavanger	51-200	30	2
10	Innomhus AS	Bergen	51-200	29	13
11	Åsane Byggmesterforretning AS	n/a	51-200	27	5
12	Artec AS	n/a	11-50	23	1
13	3rw Arkitekter	Bergen	11-50	22	17
14	PKA Arkitekter AS	Trondheim	11-50	22	17
15	Østheimgruppen AS	Trondheim	51-200	22	3
16	AS Betongbygg	Gralum	51-200	19	10
17	At Arkitektur	Oslo	11-50	18	11
18	Momentum Arkitekter	Oslo	11-50	15	14
19	Arkoconsult AS	Valestrandsfossen	11-50	13	8
20	Trebo AS	Drammen	11-50	13	8
21	Workman AS	Oslo	51-200	13	2
22	Aros Arkitekter AS	Sandnes	11-50	13	1
23	Varne Entreprenør AS	Kopervik	11-50	13	1
24	Norbygg AS	Sarpsborg Viken	11-50	12	10
25	VBM Byggfornyelse	Billingstad	11-50	12	7

Showing 25 of 252 list building services based in Norway

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List building services based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 47 HQs

45Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

159

11-50

51-200

201-500

1,001-5,000

List building services by metro

Metro	Companies
List building services in Oslo	47
List building services in Bergen	17
List building services in Trondheim	12
List building services in Stavanger	7
List building services in Fredrikstad	5
List building services in Tromso	5
List building services in Alesund	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “list building services”, with match quality audited by blind human judging, and headquartered in Norway.
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: Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many list building services are there based in Norway?

There are 252 list building services headquartered in Norway as of August 2026 (RevenueBase).

What is the largest company on this list?

Ruta Entreprenør AS, headquartered in Oslo, tops this list with the largest team on record.

Which city has the most list building services?

Oslo leads with 47 headquartered companies, followed by Bergen (17) and Trondheim (12).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 544 verified decision-maker contacts tracked across these 252 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.