Company lists · Data refreshed September 2026
Top 16 Rock and soil testing companies based in Belgium
RevenueBase identified 35 rock and soil testing companies headquartered in Belgium as of September 2026 and tracks 238 professional contacts across them, including 72 with verified work emails. Zulte is the largest hub.
This list covers rock and soil testing companies headquartered in Belgium, 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 21, 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.
The 16 largest rock and soil testing companies based in Belgium
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 36 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 34 contacts → | ||||
Partial evidence “Founded in 1971, Geosonda is one of the main pioneers in soil mechanics in Belgium.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 33 contacts → | ||||
Indirect evidence “Al sinds 1973 bouwt Group Verbeke aan een intussen indrukwekkende reputatie als grondmechanisch bureau en erkend bodemsaneringsdeskundige Type I.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 12 contacts → | ||||
Indirect evidence “SAINATECH réalise des études de sol par la méthode du pénétromètre statique et dynamique.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 9 contacts → | ||||
Indirect evidence “Geolab werd opgericht in 1975.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 9 contacts → | ||||
Indirect evidence “iTER Solutions is an architecture & planning company based out of 24 Rue du Tronquoy, ZI, Nov, Fernelmont, Belgium.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 9 contacts → | ||||
Indirect evidence “GeoIntel’s purpose is to transform data into knowledge.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 6 contacts → | ||||
Indirect evidence “Depuis 20 ans, Gefotech fournit des services divers pour les secteurs de l'environnement et de la construction.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 4 contacts → | ||||
Indirect evidence “Bureau d'études en stabilité, Essais de sol, Tests de perméabilité, Essais à la plaque, Pose de piézomètre, CertiBEau” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 4 contacts → | ||||
Indirect evidence “Studiebureel Sondex is een vaste waarde wanneer het aankomt op geotechnisch onderzoek.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 3 contacts → | ||||
Indirect evidence “Bij Advison by Studibo helpen we bouwheren, architecten en ingenieurs om de ondergrond van hun project echt te begrijpen.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 3 contacts → | ||||
Indirect evidence “Geotechnica is een onafhankelijk bedrijf, gespecialiseerd in grondonderzoek en funderingsadvies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 2 contacts → | ||||
Indirect evidence “Revyson – Re-Vision & Sonderingen.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 2 contacts → | ||||
Indirect evidence “LABOTOUR is an architecture & planning company based out of 55 Chaussée d'Antoing(TOU), Tournai, Belgium.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 1 contacts → | ||||
Indirect evidence “Nous sommes disponibles pour toutes vos campagnes de sondages de sol, essais de perméabilité, pose de piézomètres, essais à la plaque, prélèvements de terre pour test de pollution…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 1 contacts → | ||||
Indirect evidence “Winters Sonderingen is gespecialiseerd in het uitvoeren van grondonderzoek door middel van elektrische en mechanische sonderingen tot 200 kN.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: rock and soil testing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names rock and soil testing companies.
- Partial evidence
- Its own public description names part of rock and soil testing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name rock and soil testing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 16 of 35 rock and soil testing companies based in Belgium
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 72 reachable decision-makers.
Free signup · no credit card
Rock and soil testing companies based in Belgium at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 35 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 rock and soil testing companies, 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 Belgium whose own description of what they do matches “rock and soil testing companies”. 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 rock and soil testing companies), 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 rock and soil testing companies, and records with no verified work email. Companies headquartered outside Belgium 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, 72 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 21, 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 rock and soil testing companies, 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 rock and soil testing companies are there based in Belgium?
RevenueBase identified 35 rock and soil testing companies headquartered in Belgium 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?
Associated Engineers, headquartered in Zaventem, tops this list with the largest team on record.
Which city has the most rock and soil testing companies?
Zulte leads with 3 headquartered companies, followed by Fernelmont (2) and Arquennes (1).
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 72 verified decision-maker contacts tracked across these 35 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 35 rock and soil testing companies based in Belgium. Start with a free account, no credit card.
Download this list →Related lists
Rock and soil testing companies by geography
- Rock and soil testing companies based in Australia
- Rock and soil testing companies based in Brazil
- Rock and soil testing companies based in Canada
- Rock and soil testing companies based in Chile
- Rock and soil testing companies based in Colombia
- Rock and soil testing companies based in France
- Rock and soil testing companies based in Germany
- Rock and soil testing companies based in India
- Rock and soil testing companies based in Italy
- Rock and soil testing companies based in the Netherlands
- Rock and soil testing companies based in New Zealand
- Rock and soil testing companies based in Poland
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Rock and soil testing companies based in Australia
- Rock and soil testing companies based in Brazil
- Rock and soil testing companies based in Canada
- Rock and soil testing companies based in Chile
- Rock and soil testing companies based in Colombia
- Rock and soil testing companies based in France