Company lists · Data refreshed October 2026

Top 25 Group health insurance administrators worldwide

RevenueBase identified 2,705 company matches for group health insurance administrators worldwide as of October 2026 and tracks 205,509 professional contacts across them, including 57,125 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for group health insurance administrators 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 13, 2026. Country and city lists for group health insurance administrators 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 13, 2026 How this list was built
2,705Companies
205,509Contacts tracked
57,125Verified emails
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The 25 largest group health insurance administrators worldwide

Ranked by team size
Top 25 of 2,705 company matches for group health insurance administrators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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 matchBloomfield, CT, United StatesHQ recorded Oct 13, 202610001+25,564 contacts →

Exact match

“We are a health benefits provider that advocates for better health through every stage of life.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2Exact matchIndianapolis, IN, United StatesHQ recorded Oct 13, 2026n/a18,540 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3Exact matchMinnetonka, MN, United StatesHQ recorded Oct 13, 202610001+13,534 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchColumbia, SC, United StatesHQ recorded Oct 13, 20261,001-5,0007,553 contacts →

Exact match

“Colonial Life & Accident Insurance Company, a subsidiary of Unum Group, provides financial protection benefits to America’s workers and their families when the unexpected happens.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchColumbia, SC, United StatesHQ recorded Oct 13, 202610001+5,615 contacts →

Exact match

“For more than six decades, BlueCross BlueShield of South Carolina has been part of the national landscape.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchMaryland Heights, MO, United StatesHQ recorded Oct 13, 20261,001-5,0004,759 contacts →

Exact match

“Magellan Health is a leader in managing the fastest growing, most complex areas of health.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchPittsburgh, PA, United StatesHQ recorded Oct 13, 20261,001-5,0004,372 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchBogotá, ColombiaHQ recorded Oct 13, 20261,001-5,0004,043 contacts →

Exact match

“En NUEVA EPS estamos donde más se necesita.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchPittsburgh, PA, United StatesHQ recorded Oct 13, 202610001+3,929 contacts →

Exact match

“A national blended health organization, Highmark Health and our leading businesses support millions of customers with products, services and solutions closely aligned to our…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchSantiago, ChileHQ recorded Oct 13, 20261,001-5,0003,115 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 · Oct 13, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Oct 13, 20261,001-5,0002,806 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchCleveland, OH, United StatesHQ recorded Oct 13, 20261,001-5,0002,687 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 · Oct 13, 2026 · View company records in RevenueBase
13Exact matchGrapevine, TX, United StatesHQ recorded Oct 13, 2026n/a2,683 contacts →

Exact match

“USHEALTH Advisors is a wholly-owned national sales and distribution subsidiary of USHEALTH Group, Inc.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchBirmingham, AL, United StatesHQ recorded Oct 13, 20261,001-5,0002,485 contacts →

Exact match

“Blue Cross and Blue Shield of Alabama is the largest provider of healthcare benefits in Alabama, providing coverage to more than 2.9 million people in Alabama and other areas of…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchBogotá, ColombiaHQ recorded Oct 13, 20261,001-5,0002,223 contacts →

Exact match

“Somos una Compañía de aseguramiento, prestación, administración y promoción de la Salud que ofrece las mejores combinaciones de coberturas, servicios y soluciones, basada en el…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchOklahoma City, OK, United StatesHQ recorded Oct 13, 20261,001-5,0002,151 contacts →

Exact match

“American Fidelity is more than an insurance company.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchTunbridge Wells, United KingdomHQ recorded Oct 13, 20261,001-5,0002,097 contacts →

Exact match

“We’re here to help you bring out your best self.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchLuzern, SwitzerlandHQ recorded Oct 13, 20261,001-5,0002,055 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchBuffalo, NY, United StatesHQ recorded Oct 13, 20261,001-5,0001,854 contacts →

Exact match

“As one of Western New York's first HMOs, Independent Health covers approximately people here and across the country with more than 100 plans, services and products.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchHarrisburg, PA, United StatesHQ recorded Oct 13, 20261,001-5,0001,829 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 · Oct 13, 2026 · View company records in RevenueBase
21Exact matchSantiago, ChileHQ recorded Oct 13, 20261,001-5,0001,725 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 · Oct 13, 2026 · View company records in RevenueBase
22Exact matchFort Lauderdale, FL, United StatesHQ recorded Oct 13, 20261,001-5,0001,639 contacts →

Exact match

“Convey Health Solutions is a specialized healthcare technology and services company that is committed to providing clients with healthcare-specific, compliant member support…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchPortland, OR, United StatesHQ recorded Oct 13, 20265,001-10,0001,546 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 · Oct 13, 2026 · View company records in RevenueBase
24Exact matchNanterre, FranceHQ recorded Oct 13, 20261,001-5,0001,495 contacts →

Exact match

“GGVie, filiale d’assurance de personnes du Groupe Groupama.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25Exact matchBarueri, BrazilHQ recorded Oct 13, 20261,001-5,0001,465 contacts →

Exact match

“Há mais de 30 anos, olhamos para o futuro e, por isso, somos uma das maiores operadoras de saúde premium do mundo.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 2,705 group health insurance administrators worldwide

See the full list, filter by size, metro and specialty, and access 57,125 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Group health insurance administrators worldwide at a glance

As of Oct 13, 2026
27.8%Verified-email coverage
76.0Average contacts per company
11-50Median size (employees)
6.3%Largest-city concentration · Sao Paulo
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
1,341
11-50
767
51-200
315
201-500
129
501-1,000
51
1,001-5,000
67
5,001-10,000
11
10001+
14

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 group health insurance administrators are linked below.
What qualifies
Company records worldwide whose business descriptions match “group health insurance administrators” 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 57,125 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 13, 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.

Group health insurance administrators by location

8 lists · largest first

Every Group health insurance administrators 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 “group health insurance administrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many group health insurance administrators are there worldwide?

RevenueBase identified 2,705 company matches for group health insurance administrators 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?

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

Which country has the most group health insurance administrators?

The United States leads with 1,299 companies, followed by Brazil (626) and Canada (53). Every group health insurance administrators list by country and city is linked on this page.

Which city has the most group health insurance administrators?

Sao Paulo leads with 171 company records, followed by Rio De Janeiro (64) and Belo Horizonte (29).

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 57,125 professional contacts with verified work emails tracked across these 2,705 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 13, 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.