Company lists · Data refreshed September 2026

Top 25 Affordable care act insurers worldwide

RevenueBase identified 1,237 company matches for affordable care act insurers worldwide as of September 2026 and tracks 105,338 professional contacts across them, including 34,793 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for affordable care act insurers 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 September 19, 2026. Country and city lists for affordable care act insurers 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 Sep 19, 2026 How this list was built
1,237Companies
105,338Contacts tracked
34,793Verified emails
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The 25 largest affordable care act insurers worldwide

Ranked by team size
Top 25 of 1,237 company matches for affordable care act insurers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchSaint Louis, MO, United StatesHQ recorded Sep 19, 202610001+26,099 contacts →

Exact match

“Centene Corporation is a leading healthcare enterprise committed to helping people live healthier lives.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchMinnetonka, MN, United StatesHQ recorded Sep 19, 202610001+13,144 contacts →

Exact match

“When it comes to your health, everything matters.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchBaltimore, MD, United StatesHQ recorded Sep 19, 20265,001-10,0006,287 contacts →

Exact match

“CareFirst.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchPittsburgh, PA, United StatesHQ recorded Sep 19, 20261,001-5,0004,363 contacts →

Exact match

“How can we best serve our members and the community?”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchSantiago, ChileHQ recorded Sep 19, 20261,001-5,0002,910 contacts →

Exact match

“En Consalud nos preocupamos por resolver de la mejor manera las necesidades de salud de nuestros beneficiarios, mediante servicios de calidad que entreguen soluciones de manera…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchCleveland, OH, United StatesHQ recorded Sep 19, 20261,001-5,0002,667 contacts →

Exact match

“Founded in 1934, Medical Mutual is the oldest and one of the largest health insurance companies based in Ohio.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Sep 19, 20261,001-5,0002,593 contacts →

Exact match

“EmblemHealth is one of America’s largest not-for-profit health insurers.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchPortland, OR, United StatesHQ recorded Sep 19, 2026n/a2,393 contacts →

Exact match

“Get Affordable Care Act info for individuals, families today.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchPhoenix, AZ, United StatesHQ recorded Sep 19, 20261,001-5,0002,168 contacts →

Exact match

“Blue Cross ® Blue Shield ® of Arizona (AZ Blue) is committed to helping Arizonans get healthier faster and stay healthier longer.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchLuzern, SwitzerlandHQ recorded Sep 19, 20261,001-5,0002,092 contacts →

Exact match

“Staying healthy, becoming healthy or living with an illness.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchMumbai, IndiaHQ recorded Sep 19, 20261,001-5,0001,818 contacts →

Exact match

“At Manipal Cigna Health Insurance, we resonate with your commitment to your family’s health and well-being through a range of comprehensive Health Insurance plans.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchHarrisburg, PA, United StatesHQ recorded Sep 19, 20261,001-5,0001,770 contacts →

Exact match

“At Capital Blue Cross, we promise to go the extra mile for our team and our community.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchSantiago, ChileHQ recorded Sep 19, 20261,001-5,0001,609 contacts →

Exact match

“En Isapre Colmena tenemos un propósito que nos mueve día a día, ser aliados de las personas y sus familias en el cuidado de su salud.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 20265,001-10,0001,574 contacts →

Exact match

“Somos a Assim Saúde, uma operadora fundada em 1988 no Rio de Janeiro, que hoje cuida de mais de clientes entre planos de saúde e odontológicos.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchPortland, OR, United StatesHQ recorded Sep 19, 20265,001-10,0001,463 contacts →

Exact match

“Regence is part of a family of regional health plans that have been a symbol of strength and stability in local communities for more than 100 years.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchHonolulu, HI, United StatesHQ recorded Sep 19, 20261,001-5,0001,311 contacts →

Exact match

“The Hawaii Medical Service Association (HMSA), an independent licensee of the Blue Cross and Blue Shield Association, is a reliable name in Hawaii health care.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchBrazilHQ recorded Sep 19, 20261,001-5,0001,294 contacts →

Exact match

“Sempre firme no seu objetivo de promover saúde a toda e qualquer pessoa, baseado em um trabalho pautado pelo profissionalismo e excelência em atendimento, o Grupo Santa Casa…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchAustin, TX, United StatesHQ recorded Sep 19, 2026501-1,0001,094 contacts →

Exact match

“Curative is a leading healthcare services company that created and launched the first-of-its-kind employer-based health insurance plan.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchPully, SwitzerlandHQ recorded Sep 19, 20261,001-5,0001,086 contacts →

Exact match

“One of Switzerland’s main health insurers, Assura enjoys the confidence of over customers.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchAuckland, New ZealandHQ recorded Sep 19, 2026501-1,0001,018 contacts →

Exact match

“More Kiwis are with us because we're with them.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchDetroit, MI, United StatesHQ recorded Sep 19, 2026501-1,000993 contacts →

Exact match

“HAP is now Health Alliance Plan by Henry Ford Health.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261,001-5,000867 contacts →

Exact match

“A nonprofit health plan serving Medicare, Individual & Family, and Medicaid plan members in Massachusetts & New Hampshire.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchFargo, United StatesHQ recorded Sep 19, 2026501-1,000775 contacts →

Exact match

“As a member-owned, not-for-profit health insurance company, we're committed to providing affordable and accessible health care.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchLombard, IL, United StatesHQ recorded Sep 19, 20261,001-5,000734 contacts →

Exact match

“We’re a nationwide team of optimists, health care problem solvers and medical insurance advocates.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchBenoni, South AfricaHQ recorded Sep 19, 20261,001-5,000706 contacts →

Exact match

“As South Africa’s leading health insurance provider, Affinity Health is a simple, cost-effective and reliable insurance provider offering a wide range of healthcare products…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 1,237 affordable care act insurers worldwide

See the full list, filter by size, metro and specialty, and access 34,793 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Affordable care act insurers worldwide at a glance

As of Sep 19, 2026
33.0%Verified-email coverage
85.2Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · Sao Paulo
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
673
11-50
309
51-200
131
201-500
43
501-1,000
25
1,001-5,000
34
5,001-10,000
8
10001+
7

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 affordable care act insurers are linked below.
What qualifies
Company records worldwide whose business descriptions match “affordable care act insurers” 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 34,793 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 September 19, 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.

Affordable care act insurers by location

4 lists · largest first

Every Affordable care act insurers 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 “affordable care act insurers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many affordable care act insurers are there worldwide?

RevenueBase identified 1,237 company matches for affordable care act insurers worldwide as of September 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?

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

Which country has the most affordable care act insurers?

The United States leads with 708 companies, followed by Brazil (202). Every affordable care act insurers list by country and city is linked on this page.

Which city has the most affordable care act insurers?

Sao Paulo leads with 41 company records, followed by Rio De Janeiro (26) and Houston (17).

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 34,793 professional contacts with verified work emails tracked across these 1,237 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 September 19, 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.