Company lists · Data refreshed October 2026

Top 25 Employer covid-19 testing services worldwide

RevenueBase identified 670 company matches for employer covid-19 testing services worldwide as of October 2026 and tracks 6,261 professional contacts across them, including 1,070 with verified work emails. The United States is the largest market and Atlanta the largest hub.

This list covers company matches for employer covid-19 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 October 25, 2026. Country and city lists for employer covid-19 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 Oct 25, 2026 How this list was built
670Companies
6,261Contacts tracked
1,070Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest employer covid-19 testing services worldwide

Ranked by team size
Top 25 of 670 company matches for employer covid-19 testing services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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 matchGreenville, SC, United StatesHQ recorded Oct 25, 2026201-500333 contacts →

Exact match

“ARCpoint Labs is a trusted industry leader serving our communities with drug, alcohol, DNA, and clinical testing solutions.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2Exact matchBethesda, MD, United StatesHQ recorded Oct 25, 202651-200308 contacts →

Exact match

“LabCorp Employer Services (formerly Wellness Corporate Solutions) provides strategic comprehensive well-being solutions and insights that drive population health improvement…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3Exact matchNorth Dumfries, ON, CanadaHQ recorded Oct 25, 2026201-500204 contacts →

Exact match

“As Canada’s ‘Fitness for Duty’ leader, DriverCheck’s top priority is the safety of your staff and workplace.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4Exact matchKing Of Prussia, PA, United StatesHQ recorded Oct 25, 2026n/a153 contacts →

Exact match

“Impact Health is a leading provider of rapidly deployed, turn-key, onsite COVID-19 testing programs.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5Exact matchGlen Allen, VA, United StatesHQ recorded Oct 25, 202611-50147 contacts →

Exact match

“GENETWORx Laboratories was formed with the central focus of impacting the lives of our people by empowering their physicians with information.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6Exact matchHorsham, PA, United StatesHQ recorded Oct 25, 202651-200139 contacts →

Exact match

“Drugscan is a national toxicology and infectious disease testing laboratory that partners with organizations and providers to provide the critical testing they need for healthier…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7Exact matchPhoenix, AZ, United StatesHQ recorded Oct 25, 20261,001-5,000116 contacts →

Exact match

“In March 2020, CEO Raymond Embry saw the toll COVID-19 was taking on his community, so he pivoted resources from Embry Women's Health in Mesa and began offering free* PCR COVID-19…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
8Exact matchLa Jolla, CA, United StatesHQ recorded Oct 25, 2026201-500112 contacts →

Exact match

“Discovery Health Services offers a new approach to workplace wellness that helps both businesses- and their employees - thrive.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9Exact matchLake Forest, CA, United StatesHQ recorded Oct 25, 202651-20099 contacts →

Exact match

“The COVID-WorkSafe Testing Program provides businesses and organizations with a comprehensive turn-key on-site COVID-19 testing and monitoring program to ensure the safety of…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10Exact matchLiverpool, United KingdomHQ recorded Oct 25, 202651-20085 contacts →

Exact match

“We are the UK's leading provider of home & in clinic testing.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11Exact matchStockholm, SwedenHQ recorded Oct 25, 202651-20067 contacts →

Exact match

“Werlabs erbjuder hälsokontroller för både privatpersoner och företag.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12Exact matchParma, OH, United StatesHQ recorded Oct 25, 202651-20063 contacts →

Exact match

“Health Express is the top rated urgent care company in Cleveland, Parma, Avon Lake, Mayfield, Shaker, North Ridgeville, North Olmsted, Hartville, and Middleburg Ohio.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13Exact matchPalm Springs, FL, United StatesHQ recorded Oct 25, 202611-5058 contacts →

Exact match

“NMS Management Services is your one-stop White Glove Concierge TPA (Third Party Administrator of Occupational Testing) offering global employment screening services, including…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14Exact matchFresno, CA, United StatesHQ recorded Oct 25, 202651-20054 contacts →

Exact match

“Occu-Med is a global employment evaluation provider that uses a proprietary, research-based system to determine if job candidates and current employees are prepared for placement…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Oct 25, 202611-5052 contacts →

Exact match

“VitalCheck Wellness is a healthcare services company that coordinates occupational health, pre-employment screening, and preventive care for employers nationwide.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16Exact matchJakarta Selatan, IndonesiaHQ recorded Oct 25, 2026201-50052 contacts →

Exact match

“Layanan Kesehatan Checkup Covid-19 yang mengutamakan Kecepatan, Ketepatan dan Keakuratan hasil yang ditujukan untuk Perorangan, Kelompok atau Perusahaan dengan menggunakan…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
17Exact matchBrookfield, WI, United StatesHQ recorded Oct 25, 202611-5047 contacts →

Exact match

“Midland Health specializes in implementing comprehensive, customized Corporate Wellness Programs and Initiatives.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18Exact matchNorthampton, United KingdomHQ recorded Oct 25, 2026201-50043 contacts →

Exact match

“Hampton Knight is the UK’s leading Alcohol, Drug and COVID-19 testing specialist.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19Exact matchBogotá D.c., ColombiaHQ recorded Oct 25, 2026501-1,00042 contacts →

Exact match

“Somos una Institución Prestadora de Servicios de Salud de Apoyo Diagnóstico en Toma y procesamiento de muestras para laboratorio Clínico de baja, mediana y alta complejidad…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20Exact matchHamilton Township, NJ, United StatesHQ recorded Oct 25, 202651-20040 contacts →

Exact match

“NMS Health is dedicated to being the most trusted name in occupational health.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21Exact matchDallas, TX, United StatesHQ recorded Oct 25, 2026n/a39 contacts →

Exact match

“Technology Company”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Oct 25, 202651-20035 contacts →

Exact match

“Northshore Clinical Labs is a full service diagnostic laboratory offering comprehensive clinical testing services.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Oct 25, 202611-5034 contacts →

Exact match

“At Workplace Safety Screenings, we work to ensure that our clients enjoy peace of mind, a safe workforce, and unparalleled cost savings by providing: 24/7 On-Site Testing|…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
24Exact matchMorrisville, NC, United StatesHQ recorded Oct 25, 202651-20030 contacts →

Exact match

“Andor Labs focuses on personalized service to our clients and their patients.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25Exact matchWesterville, OH, United StatesHQ recorded Oct 25, 202651-20028 contacts →

Exact match

“WE ARE CERTIFIED OHIO BWC PROVIDERS Our business services include: COVID-19 Testing (Nasal Swab & Blood Tests) Pre-employment/Employment Physicals Drug Screenings Immunizations…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase

Showing 25 of 670 employer covid-19 testing services worldwide

See the full list, filter by size, metro and specialty, and access 1,070 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Employer covid-19 testing services worldwide at a glance

As of Oct 25, 2026
17.1%Verified-email coverage
9.3Average contacts per company
11-50Median size (employees)
1.3%Largest-city concentration · Atlanta
Oct 25, 2026Page data refreshed

Companies by employee count

1-10
284
11-50
261
51-200
75
201-500
32
501-1,000
4
1,001-5,000
5
5,001-10,000
1
10001+
2

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 employer covid-19 testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “employer covid-19 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 1,070 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 October 25, 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.

Employer covid-19 testing services by location

2 lists · largest first

Every Employer covid-19 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 “employer covid-19 testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many employer covid-19 testing services are there worldwide?

RevenueBase identified 670 company matches for employer covid-19 testing services worldwide as of October 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?

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

Which country has the most employer covid-19 testing services?

The United States leads with 298 companies, followed by the United Kingdom (32). Every employer covid-19 testing services list by country and city is linked on this page.

Which city has the most employer covid-19 testing services?

Atlanta leads with 9 company records, followed by New York (8) and London (7).

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 1,070 professional contacts with verified work emails tracked across these 670 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 October 25, 2026.

Ready to reach these companies? Verified emails and direct dials for all 670 employer covid-19 testing services worldwide. Start with a free account, no credit card.

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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.