Company lists · Data refreshed November 2026

Top 25 Mold testing and assessment companies worldwide

RevenueBase identified 1,811 company matches for mold testing and assessment companies worldwide as of November 2026 and tracks 11,164 professional contacts across them, including 3,080 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 and assessment 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 and assessment 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
1,811Companies
11,164Contacts tracked
3,080Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest mold testing and assessment companies worldwide

Ranked by team size
Top 25 of 1,811 company matches for mold testing and assessment 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 matchChâteau-gontier, FranceHQ recorded Nov 6, 2026201-500370 contacts →

Exact match

“ADX Groupe, votre bureau d'études de l'existant - Réalisation de diagnostics immobiliers obligatoires lors de la transaction ou location des biens- Recherche d’amiante dans tous…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact matchHayward, CA, United StatesHQ recorded Nov 6, 202651-200175 contacts →

Exact match

“With a staff of over 150 employees in the San Francisco, Sacramento, Los Angeles, San Diego, Modesto, Bakersfield, Fresno, Portland, Chicago, and Grand Rapids offices, Forensic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchBishops Stortford, United KingdomHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“Life Environmental Services | Asbestos, Water, Fire & Mould Management Consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchOrange, CA, United StatesHQ recorded Nov 6, 202651-200100 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchSolna, SwedenHQ recorded Nov 6, 2026201-50091 contacts →

Exact match

“Polygon förebygger och avhjälper vattenskador, fukt- och miljöproblem i byggnader.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchClearwater, FL, United StatesHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Is the health comfort and energy efficiency of facilities at risk?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact 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
14Exact matchMississauga, BC, CanadaHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“Safetech Environmental Limited (Safetech) is a proudly Canadian environmental consulting firm with a national reach.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact 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
16Exact 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
17Exact 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
18Exact matchJoão Monlevade, BrazilHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“Ecoar Monitoramento Ambiental is a enviromental services company based out of Rua Hamacek 122, João Monlevade, Minas Gerais, Brazil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCaluire, FranceHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“Socobat Expertise est un bureau d'étude spécialisé dans la gestion des risques amiante et plomb et s'adresse à l'ensemble des gestionnaires de patrimoine (habitat social…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact 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
22Exact matchFareham, United KingdomHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“At Envirochem, we empower businesses to stay compliant, safe, and efficient with our industry-leading environmental risk mitigation services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact 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
24Exact 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
25Exact 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

Showing 25 of 1,811 mold testing and assessment companies worldwide

See the full list, filter by size, metro and specialty, and access 3,080 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Mold testing and assessment companies worldwide at a glance

As of Nov 6, 2026
27.6%Verified-email coverage
6.2Average contacts per company
1-10Median size (employees)
1.1%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,149
11-50
516
51-200
96
201-500
7
501-1,000
8
5,001-10,000
2
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 and assessment companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “mold testing and assessment 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 3,080 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 and assessment companies by location

5 lists · largest first

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

How many mold testing and assessment companies are there worldwide?

RevenueBase identified 1,811 company matches for mold testing and assessment 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 and assessment companies?

The United States leads with 1,175 companies, followed by Canada (103) and Germany (72). Every mold testing and assessment companies list by country and city is linked on this page.

Which city has the most mold testing and assessment companies?

New York leads with 20 company records, followed by Miami (19) and San Diego (16).

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 3,080 professional contacts with verified work emails tracked across these 1,811 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.

Ready to reach these companies? Verified emails and direct dials for all 1,811 mold testing and assessment companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.