Company lists · Data refreshed October 2026

Top 22 Oil-in-water alarms suppliers worldwide

RevenueBase identified 51 company matches for oil-in-water alarms suppliers worldwide as of October 2026 and tracks 512 professional contacts across them, including 218 with verified work emails. Hamburg is the largest hub.

This list covers company matches for oil-in-water alarms suppliers worldwide, 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 28, 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 Oct 28, 2026 How this list was built
51Companies
512Contacts tracked
218Verified emails
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The 22 largest oil-in-water alarms suppliers worldwide

Ranked by team size
Top 22 of 51 company matches for oil-in-water alarms suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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 matchLaksevaag, NorwayHQ recorded Oct 28, 202651-20090 contacts →

Exact match

“ClampOn is a privately owned Norwegian company.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2Exact matchDordrecht, NetherlandsHQ recorded Oct 28, 202651-20086 contacts →

Exact match

“VAF Instruments BV is a worldwide supplier of equipment for maritime and process industries: • Viscosity Control Systems: Viscotherm and ViscoSense; • Liquid Flowmeters; • Oil…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3Exact matchPirkkala, FinlandHQ recorded Oct 28, 202651-20038 contacts →

Exact match

“At Labkotec, we provide industry-leading measurement solutions that streamline your business operations, reduce risks and optimise resource use.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4Exact matchRedhill, United KingdomHQ recorded Oct 28, 202611-5029 contacts →

Exact match

“Specialists in water quality monitoring Rivertrace Limited is an ISO9001 Quality-Assured Company and market leader with over 30 years’ experience of oil-in-water monitoring.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5Exact matchCarrickfergus, United KingdomHQ recorded Oct 28, 202611-5028 contacts →

Exact match

“Advanced Sensors Ltd is the number one supplier of Oil in Water analyzers to the Oil Gas Industries and in 2013 joined forces with PAC, a global leader in providing advanced…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6Exact matchBergen, NorwayHQ recorded Oct 28, 202611-5027 contacts →

Exact match

“Pro Analysis delivers unique technology for Oil in Water (OiW) monitoring.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7Exact matchSiegen, GermanyHQ recorded Oct 28, 202651-20018 contacts →

Exact match

“We offer- leak detection systems for double-walled tanks/pipes - leak detectors for single-walled tanks with leak protection lining/jacket - leak detection systems for explosive…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8Exact matchTrondheim, NorwayHQ recorded Oct 28, 202611-5014 contacts →

Exact match

“NORBIT Aptomar is a leading provider of Integrated Field Monitoring sensors, systems and services for the oil and gas industry.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9Exact matchMaryland Heights, MO, United StatesHQ recorded Oct 28, 202611-5011 contacts →

Exact match

“Sump Alarm™ designs rugged, weatherproof liquid level controls for wastewater, sump, and septic applications.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10Exact matchRayville, LA, United StatesHQ recorded Oct 28, 202611-5010 contacts →

Exact match

“EESIFLO operates with two main facilities.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11Exact matchChippenham, United KingdomHQ recorded Oct 28, 20261-109 contacts →

Exact match

“We are a leading provider of flow and sensor-based water leak detection and prevention solutions.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12Exact matchOslo, NorwayHQ recorded Oct 28, 202611-509 contacts →

Exact match

“Sentech AS is dedicated to solving process or design challenges that our customers cannot find solutions for elsewhere.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13Exact matchLittleton, MA, United StatesHQ recorded Oct 28, 202611-509 contacts →

Exact match

“JOWA USA, Inc.(formerly Metritape, Inc.) is headquartered in Littleton, MA and has provided reliable tank gauging systems to customers worldwide since 1965.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14Exact matchPrescott Valley, AZ, United StatesHQ recorded Oct 28, 202611-508 contacts →

Exact match

“VMI Manufacturing LLC is an oil & energy company based out of 8700 E Long Mesa Dr, Prescott Valley, Arizona, United States.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15Exact matchRichardson, TX, United StatesHQ recorded Oct 28, 202611-507 contacts →

Exact match

“Phase Dynamics is the leading supplier of water in oil measurement solutions for the Petroleum Industry.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16Exact matchGlil Yam, IsraelHQ recorded Oct 28, 20261-104 contacts →

Exact match

“Leakwise is a global leader in oil-on-water detection systems, with over systems installed and reliably operating worldwide for decades.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17Exact matchGouesnou, FranceHQ recorded Oct 28, 20261-104 contacts →

Exact match

“Former Chief Engineer, Superintendent, and Technical Director of a ship management company, Jean François Douard has a clear idea of the difficulty of maintenance and the need for…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18Exact matchGlinde, GermanyHQ recorded Oct 28, 20261-104 contacts →

Exact match

“TRIBOMAR GmbH is a young company for oil management solutions founded in Hamburg, Germany in 2011.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19Exact matchDevizes, United KingdomHQ recorded Oct 28, 202611-502 contacts →

Exact match

“Envirotech Alarms Ltd bring together over 30 years combined experience in manufacturing and selling environmental alarms panels.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20Exact matchPetach Tikva, IsraelHQ recorded Oct 28, 20261-102 contacts →

Exact match

“Hofman & Hofman (H&H) specializes in control and monitoring instrumentation for the water production market.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21Exact matchNJ, United StatesHQ recorded Oct 28, 20261-101 contacts →

Exact match

“Multi-purpose water leak alarms that sound at the drop of water.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22Exact matchLindenhurst, United StatesHQ recorded Oct 28, 20261-101 contacts →

Exact match

“Quality liquid level indication systems since 1926 servicing the heating, chemical and marine industries.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

Showing 22 of 51 oil-in-water alarms suppliers worldwide

See the full list, filter by size, metro and specialty, and access 218 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil-in-water alarms suppliers worldwide at a glance

As of Oct 28, 2026
42.6%Verified-email coverage
10.0Average contacts per company
11-50Median size (employees)
3.9%Largest-city concentration · Hamburg
Oct 28, 2026Page data refreshed

Companies by employee count

1-10
19
11-50
24
51-200
8

Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 51 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 worldwide whose business descriptions match “oil-in-water alarms suppliers” 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. 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 218 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 28, 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-in-water alarms suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil-in-water alarms suppliers are there worldwide?

RevenueBase identified 51 company matches for oil-in-water alarms suppliers worldwide 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?

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

Which city has the most oil-in-water alarms suppliers?

Hamburg leads with 2 company records, followed by Bergen (1) and Carrickfergus (1).

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 218 professional contacts with verified work emails tracked across these 51 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 28, 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.