Company lists · Data refreshed November 2026

Top 25 Groundwater testing services worldwide

RevenueBase identified 2,321 company matches for groundwater testing services worldwide as of November 2026 and tracks 27,996 professional contacts across them, including 7,026 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for groundwater testing services 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 November 6, 2026. Country and city lists for groundwater testing services follow the table.

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 6, 2026 How this list was built
2,321Companies
27,996Contacts tracked
7,026Verified emails
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The 25 largest groundwater testing services worldwide

Ranked by team size
Top 25 of 2,321 company matches for groundwater testing services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchLoveland, IL, United StatesHQ recorded Nov 6, 20261,001-5,0003,297 contacts →

Exact match

“At Hach, we ensure water quality for people around the world, and every associate plays a vital role in that mission.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCinnaminson, NJ, United StatesHQ recorded Nov 6, 2026501-1,000766 contacts →

Exact match

“As the nation's leading environmental testing firm, EMSL's network of nationwide laboratories has been providing quality analytical services since 1981.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchVénissieux, FranceHQ recorded Nov 6, 20261,001-5,000611 contacts →

Exact match

“Leader des prestations analytiques environnementales et agroalimentaires accrédité COFRAC, agréé par le Ministère de la santé Votre environnement et votre santé sont nos priorités.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 20261,001-5,000326 contacts →

Exact match

“Watch our video on the history and culture of Pace at https://goo.gl/L3ruD3 or get a more detailed look through our company brochure at https://goo.gl/feMDwU!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSan Giovanni Teatino, ItalyHQ recorded Nov 6, 2026501-1,000308 contacts →

Exact match

“LabAnalysis Environmental Science is LabAnalysis Group's company dedicated to the environmental sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCastellon, SpainHQ recorded Nov 6, 2026201-500244 contacts →

Exact match

“IPROMA is one of the leading companies in the fields of environmental laboratory analysis, technical advice and industrial hygiene.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWestborough, NY, United StatesHQ recorded Nov 6, 2026501-1,000243 contacts →

Exact match

“Since 1987, Alpha Analytical, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHertfordshire, United KingdomHQ recorded Nov 6, 2026201-500238 contacts →

Exact match

“Founded in 2003, Normec i2 Analytical is one of Europe's leading environmental testing companies providing its customers a comprehensive range of analytical, monitoring and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNorth Little Rock, NC, United StatesHQ recorded Nov 6, 2026501-1,000219 contacts →

Exact match

“Our laboratory service experts provide clients with precision testing support, innovative scientific approaches, and high-quality data that delivers a sense of certainty.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchUsaquen, ColombiaHQ recorded Nov 6, 202651-200200 contacts →

Exact match

“Nuestro laboratorio ofrece los servicios de muestreo y análisis fisicoquímico de aguas y suelos, análisis microbiológico, de comunidades biológicas y residuos peligrosos, a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchJacksonville, FL, United StatesHQ recorded Nov 6, 202651-200179 contacts →

Exact match

“Advanced Environmental Laboratories, Inc.(AEL) is a NELAP/TNI and DOD certified, national full-service laboratory firm, headquartered in Jacksonville, Florida, with additional…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchKhobar, Saudi ArabiaHQ recorded Nov 6, 2026201-500168 contacts →

Exact match

“OEO is a 100 % Saudi engineering consulting office owned by Dr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGeneva, IL, United StatesHQ recorded Nov 6, 2026201-500158 contacts →

Exact match

“Established in 2019, Metiri Group has focused on using full-service environmental laboratories to deliver testing services to inform the decisions that improve the lives of people…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchChatswood, AustraliaHQ recorded Nov 6, 2026201-500142 contacts →

Exact match

“Intertek Envirolab offers a wide array of environment testing and analytical services to support investigations of inorganic and organic contaminants and pollutants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRichmond, BC, CanadaHQ recorded Nov 6, 202651-200142 contacts →

Exact match

“CARO Analytical Services is a Canadian-owned, full service environmental and food testing laboratory with locations in Richmond, Burnaby, Kelowna, Edmonton, Victoria, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPrince George, BC, CanadaHQ recorded Nov 6, 202651-200136 contacts →

Exact match

“The Geotech Drilling Group of Companies is a team focused on continually implementing the most technologically advanced drilling techniques in order to increase the efficiency and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchVejen, DenmarkHQ recorded Nov 6, 2026201-500128 contacts →

Exact match

“Eurofins er Danmarks største miljølaboratorium.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBekasi Regency, IndonesiaHQ recorded Nov 6, 202651-200128 contacts →

Exact match

“PT Medialab Indonesia is a company specializes in laboratory services for environmental quality testing and Industrial Hygiene Monitoring.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 2026201-500126 contacts →

Exact match

“Part of WJ Group, WJ Middle East leads the field in design, installation, and maintenance of dewatering systems for construction sites.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWharton, NJ, United StatesHQ recorded Nov 6, 202651-200125 contacts →

Exact match

“GWTT is one of the only U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBillings, WY, United StatesHQ recorded Nov 6, 2026201-500124 contacts →

Exact match

“Founded in 1952, Energy Laboratories, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCalgary, BC, CanadaHQ recorded Nov 6, 202651-200118 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchVespasiano, BrazilHQ recorded Nov 6, 202651-200107 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHaren, GermanyHQ recorded Nov 6, 2026501-1,00097 contacts →

Exact match

“Water has been our passion for more than 60 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSorocaba, BrazilHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“Com mais de 30 anos de experiência no setor, o Hidrolabor é uma das empresas que integram o Grupo DB, oferecendo serviços especializados em ensaios físico-químicos e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,321 groundwater testing services worldwide

See the full list, filter by size, metro and specialty, and access 7,026 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Groundwater testing services worldwide at a glance

As of Nov 6, 2026
25.1%Verified-email coverage
12.1Average contacts per company
1-10Median size (employees)
0.8%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,177
11-50
799
51-200
241
201-500
40
501-1,000
15
1,001-5,000
9
5,001-10,000
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for groundwater testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “groundwater testing 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. 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 7,026 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 6, 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.

Groundwater testing services by location

11 lists · largest first

Every Groundwater testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “groundwater testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many groundwater testing services are there worldwide?

RevenueBase identified 2,321 company matches for groundwater testing services worldwide 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?

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

Which country has the most groundwater testing services?

The United States leads with 669 companies, followed by Brazil (207) and Germany (120). Every groundwater testing services list by country and city is linked on this page.

Which city has the most groundwater testing services?

Sao Paulo leads with 18 company records, followed by Berlin (8) and Pune (8).

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 7,026 professional contacts with verified work emails tracked across these 2,321 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 6, 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.