Company lists · Data refreshed November 2026

Top 25 Home health testing services worldwide

RevenueBase identified 4,651 company matches for home health testing services worldwide as of November 2026 and tracks 193,357 professional contacts across them, including 27,393 with verified work emails. The United States is the largest market and New Delhi the largest hub.

This list covers company matches for home health 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 home health 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
4,651Companies
193,357Contacts tracked
27,393Verified emails
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The 25 largest home health testing services worldwide

Ranked by team size
Top 25 of 4,651 company matches for home health 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 matchSecaucus, NJ, United StatesHQ recorded Nov 6, 202610001+30,147 contacts →

Exact match

“Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202610001+18,422 contacts →

Exact match

“A Dasa é uma das maiores empresas de saúde do mundo, líder em medicina diagnóstica no Brasil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202610001+11,419 contacts →

Exact match

“O Grupo Fleury é reconhecido como uma referência de qualidade em medicina diagnóstica no país, com soluções completas, coordenação de cuidado centrada no indivíduo, capacidade de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchToronto, ON, CanadaHQ recorded Nov 6, 20265,001-10,0003,586 contacts →

Exact match

“LifeLabs is Canada’s leading provider of laboratory diagnostic information and digital health connectivity systems, enabling patients and healthcare practitioners to diagnose…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCuliacán, MexicoHQ recorded Nov 6, 20265,001-10,0003,565 contacts →

Exact match

“Ser la institución líder en prevención y diagnóstico oportuno, en las áreas de influencia de nuestras clínicas, que contribuya a conservar y mejorar la salud de las personas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDallas, TX, United StatesHQ recorded Nov 6, 20261,001-5,0003,212 contacts →

Exact match

“Signify Health, part of CVS Health®, exists for one simple purpose: to build trusted relationships that make people healthier.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBehind Glaxo, IndiaHQ recorded Nov 6, 20261,001-5,0002,978 contacts →

Exact match

“We believe that every human being deserves to know the truth about their inner health.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNashville, TN, United StatesHQ recorded Nov 6, 20265,001-10,0001,782 contacts →

Exact match

“We’re healthcare leaders committed to improving lives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBrampton, ON, CanadaHQ recorded Nov 6, 20261,001-5,0001,749 contacts →

Exact match

“Welcome to Dynacare, the leading provider of comprehensive health and wellness solutions in Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchGlendora, TN, United StatesHQ recorded Nov 6, 20261,001-5,0001,729 contacts →

Exact match

“Leidos QTC Health Services collaborates closely with government and non-government customers to address current and future program needs within the health services domain.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNoida, IndiaHQ recorded Nov 6, 20261,001-5,0001,531 contacts →

Exact match

“What started in 2018 as Redcliffe Lifesciences (specialized testing and research) evolved into Redcliffe Labs in 2021: a PAN-India, omnichannel, preventive-first care platform.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHigh Wycombe, United KingdomHQ recorded Nov 6, 20261,001-5,0001,524 contacts →

Exact match

“InHealth is the UK’s largest specialist provider of diagnostic and healthcare solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchElmwood Park, NJ, United StatesHQ recorded Nov 6, 20261,001-5,0001,520 contacts →

Exact match

“For more than four decades, BioReference has built a legacy based on scientific excellence, innovation and world-class service in laboratory testing solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchJakarta Pusat, IndonesiaHQ recorded Nov 6, 20261,001-5,0001,427 contacts →

Exact match

“Prodia Clinical Laboratory was established in Solo on May 7th, 1973 by a number of pharmacy-based scientists.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLahore, PakistanHQ recorded Nov 6, 20261,001-5,0001,310 contacts →

Exact match

“Established in 1983, Chughtai Lab is the leading diagnostic lab in Pakistan.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 20261,001-5,0001,295 contacts →

Exact match

“Sonora Quest Laboratories, a subsidiary of Laboratory Sciences of Arizona, is an Arizona-based joint venture between Banner Health and Quest Diagnostics (NYSE: DGX) that makes up…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchGurgaon, IndiaHQ recorded Nov 6, 20261,001-5,0001,245 contacts →

Exact match

“Healthians.com is confidently striding towards being ‘India’s largest health test @home service provider’.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBrentwood, TN, United StatesHQ recorded Nov 6, 20261,001-5,0001,195 contacts →

Exact match

“Founded in 1965, PathGroup is a premier provider of anatomic, clinical and molecular pathology services, as well as one of the largest providers of women’s health services in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-5001,137 contacts →

Exact match

“Ro is a direct-to-patient healthcare company with a mission of helping patients achieve their health goals by delivering the easiest, most effective care possible.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchIslamabad, PakistanHQ recorded Nov 6, 20261,001-5,0001,069 contacts →

Exact match

“Established in 2003, Islamabad Diagnostic Centre (IDC) is Pakistan's leading diagnostic center, committed to provide comprehensive medical diagnostic services through a network of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBowen Hills, AustraliaHQ recorded Nov 6, 20261,001-5,0001,062 contacts →

Exact match

“Sullivan Nicolaides Pathology is one of Australia’s largest and most respected diagnostic testing laboratories, regarded for our expertise in esoteric as much as routine testing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchKraków, PolandHQ recorded Nov 6, 20265,001-10,0001,023 contacts →

Exact match

“Diagnostyka to więcej dla zdrowia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchChennai, IndiaHQ recorded Nov 6, 202610001+1,006 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchUnited StatesHQ recorded Nov 6, 20265,001-10,000989 contacts →

Exact match

“Alberta Precision Laboratories (APL) is a wholly-owned subsidiary of Alberta Health Services, delivering high-quality, responsive diagnostic lab services across our healthcare…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSparks, MD, United StatesHQ recorded Nov 6, 20261,001-5,000929 contacts →

Exact match

“TridentCare is the leading portable diagnostic services solution for a variety of healthcare markets, delivering quality services at our customers’ locations nationwide.”

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

Showing 25 of 4,651 home health testing services worldwide

See the full list, filter by size, metro and specialty, and access 27,393 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Home health testing services worldwide at a glance

As of Nov 6, 2026
14.2%Verified-email coverage
41.6Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · New Delhi
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,849
11-50
1,590
51-200
705
201-500
252
501-1,000
87
1,001-5,000
78
5,001-10,000
13
10001+
17

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 home health testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “home health 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 27,393 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.

Home health testing services by location

16 lists · largest first

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

Countries

Cities

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

How many home health testing services are there worldwide?

RevenueBase identified 4,651 company matches for home health 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?

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

Which country has the most home health testing services?

The United States leads with 937 companies, followed by Brazil (820) and India (747). Every home health testing services list by country and city is linked on this page.

Which city has the most home health testing services?

New Delhi leads with 53 company records, followed by London (52) and Hyderabad (51).

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 27,393 professional contacts with verified work emails tracked across these 4,651 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.