Company lists · Data refreshed November 2026

Top 25 Oil and gas water treatment services based in Norway

Name: Oil and gas water treatment services based in Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 4, 2026 53 companies tracked

RevenueBase identified 53 company matches for oil and gas water treatment services associated with Norway as of November 2026 and tracks 872 professional contacts across them, including 306 with verified work emails. Oslo is the largest hub.

This list covers company matches for oil and gas water treatment services 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 4, 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 4, 2026 How this list was built

53Companies

872Contacts tracked

306Verified emails

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The 25 largest oil and gas water treatment services based in Norway

Ranked by team size

Top 25 of 53 company matches for oil and gas water treatment services based in Norway, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Solidenergy AS	Exact match	Ågotnes, NorwayHQ recorded Nov 4, 2026	201-500	139 contacts →
	Exact match “Solidenergy AS has more than 40 years experience in application of high performance surface treatments for a variety of applications, with particular expertise in providing…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2	Techouse AS	Exact match	Sandnes, NorwayHQ recorded Nov 4, 2026	51-200	106 contacts →
	Exact match “Techouse is a leader in the provision of offshore platform processing equipment and services to the international oil & gas industry.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3	Soiltech ASA	Exact match	Sandnes, NorwayHQ recorded Nov 4, 2026	51-200	96 contacts →
	Exact match “Soiltech ASA is a cleantech service provider specializing in the handling, treatment and recycling of contaminated water and solid industrial waste.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4	Eliquo PMI	Exact match	Sandefjord, NorwayHQ recorded Nov 4, 2026	201-500	79 contacts →
	Exact match “ELIQUO PMI is one of Norway's leading contractors in the design and construction of plants for water and wastewater treatment, district heating, district cooling and process…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5	PRO Analysis AS	Exact match	Bergen, NorwayHQ recorded Nov 4, 2026	11-50	29 contacts →
	Exact match “Pro Analysis delivers unique technology for Oil in Water (OiW) monitoring.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6	Nordisk Vannteknikk AS	Exact match	Drammen, NorwayHQ recorded Nov 4, 2026	11-50	24 contacts →
	Exact match “Nordisk Vannteknikk er en totalleverandør av renseteknologi for behandling av forurenset vann.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7	Kasomo Energy AS	Exact match	Trondheim, NorwayHQ recorded Nov 4, 2026	11-50	22 contacts →
	Exact match “Welcome to Kasomo Energy, your one-stop-shop for technical service solutions.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8	ALLUM	Exact match	Sandefjord, NorwayHQ recorded Nov 4, 2026	11-50	19 contacts →
	Exact match “Allum Engineering: Engineering Solutions to Process, Marine and Offshore Industries Allum Technology: Technology Development and delivery of CFU and treatment plants for produced…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9	IKM Fluid Treatment Solutions	Exact match	Sola, NorwayHQ recorded Nov 4, 2026	11-50	17 contacts →
	Exact match “IKM Fluid Treatment Solutions has built its reputation on over 30 years of global expertise within drilling waste management.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10	M Vest Water	Exact match	Bergen, NorwayHQ recorded Nov 4, 2026	11-50	16 contacts →
	Exact match “M Vest Water is a system and solution provider of clean and safe water.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11	Onsite Treatment Services	Exact match	Tananger, NorwayHQ recorded Nov 4, 2026	11-50	15 contacts →
	Exact match “OTS offers a large and modern rental fleet, water treatment, slop treatment, tank cleaning, filtration, cuttings handling, vacuum systems, mud skips, well service pumps, pumping…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12	Doscon AS	Exact match	Økern, NorwayHQ recorded Nov 4, 2026	11-50	14 contacts →
	Exact match “DOSCON is an innovative company working with environmental and industrial process analytics.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13	Thermtech AS	Exact match	Bergen, NorwayHQ recorded Nov 4, 2026	11-50	13 contacts →
	Exact match “Thermtech is a Norwegian technology company with head office in Bergen, Norway.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14	Klart Vann AS	Exact match	Sandnes, NorwayHQ recorded Nov 4, 2026	11-50	12 contacts →
	Exact match “Totalleverandør av vannbehandling Klart Vann har siden 2006 levert rene, trygge og effektive vannløsninger til kunder over hele Norge.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15	BWT Norge	Exact match	Oslo, NorwayHQ recorded Nov 4, 2026	11-50	11 contacts →
	Exact match “BWT Birger Christensen AS ble startet i 1928 og er blant Nordens førende virksomheter innen vannbehandlingsanlegg.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16	Multi Solutions AS	Exact match	Sunde, NorwayHQ recorded Nov 4, 2026	1-10	11 contacts →
	Exact match “Providing goods and services to the marine / offshore.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17	Vulkan Engineering	Exact match	Oslo, NorwayHQ recorded Nov 4, 2026	1-10	10 contacts →
	Exact match “Vulkan Engineering AS is a leader in advanced seawater treatment systems and specialized engineering services to the international offshore industry.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18	Norwegian Technology	Exact match	Mekjarvik, NorwayHQ recorded Nov 4, 2026	11-50	10 contacts →
	Exact match “We provide services for the development of sustainable waste treatment solutions for offshore and onshore industry and municipal applications using proprietary treatment…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19	Stauper Water Technologies	Exact match	Porsgrunn, NorwayHQ recorded Nov 4, 2026	1-10	10 contacts →
	Exact match “Stauper Water Technologies AS is a Norwegian water treatment technology company that has developed, patented and commercialized a suite of technologies and solutions to help oil…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20	Jagtech AS	Exact match	Orkanger, NorwayHQ recorded Nov 4, 2026	1-10	9 contacts →
	Exact match “JAGTECH was founded by Geir Olav Ånesbug, Arild Saasen and Jan Egil Pallin in the start of December 2018.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21	Global Concept Mitco AS	Exact match	Oslo, NorwayHQ recorded Nov 4, 2026	11-50	9 contacts →
	Exact match “Global Concept MITCO AS (tidligere Industrikjemikalier MITCO AS) bygger på mer enn 40 års erfaring innen fagområdet industriell vannbehandling.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22	Cevia Solutions	Exact match	Spikkestad, NorwayHQ recorded Nov 4, 2026	1-10	7 contacts →
	Exact match “Engineering services, products for water treatment, process industry etc.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23	Normex	Exact match	Ålesund, NorwayHQ recorded Nov 4, 2026	1-10	7 contacts →
	Exact match “We deliver the best possible quality solutions for water treatment and disinfection.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
24	Envitec	Exact match	Sandnes, NorwayHQ recorded Nov 4, 2026	1-10	7 contacts →
	Exact match “Through innovative and environmental solutions, Envitec's high quality products has helped the on– and offshore business to better drilling waste management, well testing, mud…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
25	Slamrensing AS	Exact match	Revetal, NorwayHQ recorded Nov 4, 2026	1-10	6 contacts →
	Exact match “Vannrensing- og sedimenteringsselskap med høyt fokus på miljø.” Recorded in the RevenueBase company graph · Nov 4, 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 “oil and gas water treatment services”. 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 53 oil and gas water treatment services based in Norway

See the full list, filter by size, metro and specialty, and access 306 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas water treatment services based in Norway at a glance

As of Nov 4, 2026

35.1%Verified-email coverage

16.5Average contacts per company

11-50Median size (employees)

13.2%Largest-city concentration · Oslo

Nov 4, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 53 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 “oil and gas water treatment services” 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 306 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 4, 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 “oil and gas water treatment services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas water treatment services are there based in Norway?

RevenueBase identified 53 company matches for oil and gas water treatment services 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?

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

Which city has the most oil and gas water treatment services?

Oslo leads with 7 company records, followed by Sandefjord (5) and Sandnes (3).

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 306 professional contacts with verified work emails tracked across these 53 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 4, 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.