Company lists · Data refreshed November 2026

Top 25 Mold testing companies worldwide

RevenueBase identified 1,210 company matches for mold testing companies worldwide as of November 2026 and tracks 6,208 professional contacts across them, including 1,741 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for mold testing companies 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 mold testing companies 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
1,210Companies
6,208Contacts tracked
1,741Verified emails
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The 25 largest mold testing companies worldwide

Ranked by team size
Top 25 of 1,210 company matches for mold testing companies 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 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
2Exact 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
3Exact matchOrange, MA, United StatesHQ recorded Nov 6, 202651-20092 contacts →

Exact match

“Founded in 1998, ENVIROCHECK, INC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“ALC provides a wide range of environmental services from testing and reporting on potentially unsafe or hazardous conditions (asbestos, lead paint, indoor air quality/mold, soil…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchRochester, NY, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBensalem Township, PA, United StatesHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“Criterion provides rapid and reliable solutions to occupational and environmental health problems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRichmond, OH, United StatesHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“SanAir Technologies Laboratory, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMarkham, ON, CanadaHQ recorded Nov 6, 202611-5050 contacts →

Exact match

“Trusted by the Real Estate Industry since 1989, Fisher has successfully remediated hundreds of properties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchEast Syracuse, NY, United StatesHQ recorded Nov 6, 202611-5048 contacts →

Exact match

“CRAL is an enviromental cleaning firm that specializes in mold remediation and flood response services to residential and commercial properties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchFullerton, CA, United StatesHQ recorded Nov 6, 202611-5047 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBerkel En Rodenrijs, NetherlandsHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“Technolab is de meest ervaren partner als het aankomt op zorgen voor een schone lucht, veilig water en goede materialen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“A&B Environmental Services, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchRichardson, TX, United StatesHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“Farmer Environmental Group is a national full service environmental consulting firm providing a wide range of services to industries, municipalities, insurance, real estate…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchFürth, GermanyHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“Die im Jahr 2003 gegründete COMPETENZA GmbH gehört heute zu den führenden deutschen Dienstleistern im Bereich der Gebäudeschadstoffe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchOslo, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Våre konsulenter har omfattende kunnskap om undersøkelser av fukt- og biologiske bygningsskader.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAnoka, MO, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Techtron understands your business is fast paced and, on the go, that’s why your Environmental Testing company should be too.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchTampa, FL, United StatesHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“Water Damage structual drying.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAuckland, New ZealandHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“It’s all around us.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDenver, CO, United StatesHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“Axium, Inc.| Axium Inspections is Colorado's the largest and most referred Colorado home inspection company with over 5-Star Reviews.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchUnited StatesHQ recorded Nov 6, 202611-5029 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHauppauge, NY, United StatesHQ recorded Nov 6, 202651-20026 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchScottsdale, AZ, United StatesHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Global Prevention Services is an innovative mold remediation and prevention company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchTroy, MI, United StatesHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“We find the hidden dangers so you don't have to worry about them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSalzano, ItalyHQ recorded Nov 6, 202611-5024 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSan Antonio, TX, United StatesHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“EnviroBiomics is a leading commercial environmental laboratory in the USA that analyzes samples to determine the presence of mold, bacteria, and other microorganisms (including…”

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

Showing 25 of 1,210 mold testing companies worldwide

See the full list, filter by size, metro and specialty, and access 1,741 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mold testing companies worldwide at a glance

As of Nov 6, 2026
28.0%Verified-email coverage
5.1Average contacts per company
1-10Median size (employees)
1.3%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
820
11-50
312
51-200
47
201-500
2
501-1,000
4
5,001-10,000
1
10001+
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 mold testing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “mold testing companies” 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 1,741 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.

Mold testing companies by location

4 lists · largest first

Every Mold testing companies 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 “mold testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mold testing companies are there worldwide?

RevenueBase identified 1,210 company matches for mold testing companies 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?

Emsl Analytical, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most mold testing companies?

The United States leads with 814 companies, followed by Canada (71) and Germany (40). Every mold testing companies list by country and city is linked on this page.

Which city has the most mold testing companies?

New York leads with 16 company records, followed by Miami (13) and Houston (12).

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 1,741 professional contacts with verified work emails tracked across these 1,210 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.