Company lists · Data refreshed September 2026

Top 15 Oceanographic instrument manufacturers based in Germany

RevenueBase identified 27 oceanographic instrument manufacturers headquartered in Germany as of September 2026 and tracks 1,300 professional contacts across them, including 329 with verified work emails. Kiel is the largest hub.

This list covers oceanographic instrument manufacturers headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review
27Companies
1,300Contacts tracked
329Verified emails
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The 15 largest oceanographic instrument manufacturers based in Germany

Ranked by team size
Top 15 of 27 oceanographic instrument manufacturers based in Germany, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to oceanographic instrument manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceHamburg, GermanyHQ checked Sep 17, 202651-200119 contacts →

Indirect evidence

“Hoppe is a family owned group of companies with global presence and activities focused and dedicated to the maritime market.”

Source: RevenueBase Database · checked Sep 17, 2026
2Partial evidenceKiel, GermanyHQ checked Sep 17, 2026201-50092 contacts →

Partial evidence

“ELAC SONAR has 100 year of experience in the design, manufacture and supply of hydroacoustic systems for naval applications.”

Source: RevenueBase Database · checked Sep 17, 2026
3Indirect evidenceBerlin, GermanyHQ checked Sep 17, 202651-20088 contacts →

Indirect evidence

“EvoLogics GmbH is a German-based high-tech enterprise.”

Source: RevenueBase Database · checked Sep 17, 2026
4Strong evidenceEppingen, GermanyHQ checked Sep 17, 202651-20080 contacts →

Strong evidence

“We are developer, manufacturer and supplier of instrumentation for the water industry.”

Source: RevenueBase Database · checked Sep 17, 2026
5Indirect evidenceKiel, GermanyHQ checked Sep 17, 202651-20050 contacts →

Indirect evidence

“Since 2011, we’ve been helping the world’s leading offshore wind developers, navies, and marine stakeholders unlock the full potential of their underwater sensor data.”

Source: RevenueBase Database · checked Sep 17, 2026
6Indirect evidenceRastede, GermanyHQ checked Sep 17, 202651-20031 contacts →

Indirect evidence

“TriOS ist jetzt Teil von Xylem TriOS - mit Spektralsensorik zum Erfolg Die 1998 gegründete TriOS GmbH ist ein weltweit führender Anbieter für Sensoren und in den Bereichen der…”

Source: RevenueBase Database · checked Sep 17, 2026
7Indirect evidenceHamburg, GermanyHQ checked Sep 17, 202611-5031 contacts →

Indirect evidence

“Data systems that make sense of the oceans.”

Source: RevenueBase Database · checked Sep 17, 2026
8Indirect evidenceKiel, GermanyHQ checked Sep 17, 202651-20027 contacts →

Indirect evidence

“SubCtech develops state-of-the-art maritime technologies in two business units: Ocean Power Our fully approved high-efficiency Li-Ion batteries guarantee high-reliability AND…”

Source: RevenueBase Database · checked Sep 17, 2026
9Indirect evidenceHalstenbek, GermanyHQ checked Sep 17, 202611-5017 contacts →

Indirect evidence

“Combining innovative subsea technologies with our engineering expertise, we deliver best-in-class uncrewed platforms and sensor solutions for high-quality seabed mapping, dredging…”

Source: RevenueBase Database · checked Sep 17, 2026
10Indirect evidenceRostock, GermanyHQ checked Sep 17, 202611-507 contacts →

Indirect evidence

“INNOMAR provides parametric (non-linear) sub-bottom profilers for shallow and deep waters up to full ocean depth.”

Source: RevenueBase Database · checked Sep 17, 2026
11Indirect evidenceReppenstedt, GermanyHQ checked Sep 17, 202611-507 contacts →

Indirect evidence

“Franatech is a company specialized in development, production and supply of underwater sensors for dissolved gases.”

Source: RevenueBase Database · checked Sep 17, 2026
12Strong evidenceVöhringen, GermanyHQ checked Sep 17, 202611-505 contacts →

Strong evidence

“Hanna Instruments Deutschland GmbH is the German subsidiary of Hanna Instruments, Inc, which is the world’s largest privately held manufacturer of electro analytical…”

Source: RevenueBase Database · checked Sep 17, 2026
13Indirect evidenceObergünzburg, GermanyHQ checked Sep 17, 202611-503 contacts →

Indirect evidence

“HT Hydrotechnik has been supplying robust and durable measuring technology for hydrology and hydrogeology for over 40 years.”

Source: RevenueBase Database · checked Sep 17, 2026
14Indirect evidenceHannover, GermanyHQ checked Sep 17, 20261-102 contacts →

Indirect evidence

“Quality control of food, water or hydrogen, detection of pollutants or viruses as well as analysis of biomarkers – our modern society could not function without advanced…”

Source: RevenueBase Database · checked Sep 17, 2026
15Indirect evidenceBremen, GermanyHQ checked Sep 17, 20261-101 contacts →

Indirect evidence

“Areas of Research 1.”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 15 of 27 oceanographic instrument manufacturers based in Germany

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Oceanographic instrument manufacturers based in Germany at a glance

As of Sep 17, 2026
25.3%Verified-email coverage
48.1Average contacts per company
11-50Median size (employees)
25.9%Largest-city concentration · Kiel
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
7
11-50
11
51-200
6
201-500
1
1,001-5,000
2

Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 27 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among oceanographic instrument manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Germany whose own description of what they do matches “oceanographic instrument manufacturers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names oceanographic instrument manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among oceanographic instrument manufacturers, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 329 across the full list. 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 September 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names oceanographic instrument manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many oceanographic instrument manufacturers are there based in Germany?

RevenueBase identified 27 oceanographic instrument manufacturers headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Hoppe Marine Gmbh, headquartered in Hamburg, tops this list with the largest team on record.

Which city has the most oceanographic instrument manufacturers?

Kiel leads with 7 headquartered companies, followed by Bremen (3) and Hamburg (2).

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 329 verified decision-maker contacts tracked across these 27 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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 Smart Search, 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.