Company lists · Data refreshed November 2026

Top 25 Group health insurance administrators worldwide

RevenueBase identified 1,727 company matches for group health insurance administrators worldwide as of November 2026 and tracks 95,864 professional contacts across them, including 26,118 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 November 6, 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 Nov 6, 2026 How this list was built
1,727Companies
95,864Contacts tracked
26,118Verified emails
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The 25 largest group health insurance administrators worldwide

Ranked by team size
Top 25 of 1,727 company matches for group health insurance administrators 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 matchIndianapolis, MO, United StatesHQ recorded Nov 6, 2026n/a19,857 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchColumbia, SC, United StatesHQ recorded Nov 6, 202610001+5,776 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMaryland Heights, MO, United StatesHQ recorded Nov 6, 20261,001-5,0004,703 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBogotá, ColombiaHQ recorded Nov 6, 20261,001-5,0004,190 contacts →

Exact match

“En NUEVA EPS estamos donde más se necesita.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCleveland, OH, United StatesHQ recorded Nov 6, 20261,001-5,0002,749 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBogotá, ColombiaHQ recorded Nov 6, 20261,001-5,0002,316 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchOklahoma City, OK, United StatesHQ recorded Nov 6, 20261,001-5,0002,234 contacts →

Exact match

“American Fidelity is more than insurance company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,0001,979 contacts →

Exact match

“Nextcare is the leading “Third Party Administrator” (TPA) for the insurance industry in the GCC & MENA region.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHonolulu, HI, United StatesHQ recorded Nov 6, 20261,001-5,0001,370 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBuffalo, NY, United StatesHQ recorded Nov 6, 20261,001-5,0001,297 contacts →

Exact match

“At Meritain Health®, we know every health journey is different.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAtlanta, PA, United StatesHQ recorded Nov 6, 2026201-5001,182 contacts →

Exact match

“NASCO empowers health plans to innovate, grow, and deliver better experiences through a comprehensive suite of healthcare technology solutions and services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPully, SwitzerlandHQ recorded Nov 6, 20261,001-5,0001,158 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHyderabad, IndiaHQ recorded Nov 6, 20261,001-5,0001,082 contacts →

Exact match

“Incorporated in the year 1995 and licensed by IRDAI in the year 2002, Family Health Plan Insurance TPA Limited (FHPL) has its registered office in Chennai and Corporate office in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchn/a10001+1,060 contacts →

Exact match

“Aetna is one of the nation's leading diversified health care benefits companies, serving approximately 18 million people with information and resources to help them make better…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchOak Brook, IL, United StatesHQ recorded Nov 6, 20261,001-5,0001,036 contacts →

Exact match

“Inspira Financial is your devoted health, wealth, retirement, and benefits administrator.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBangalore, IndiaHQ recorded Nov 6, 20261,001-5,0001,022 contacts →

Exact match

“Who We Are: Vidal Health partners with insurers, employers, and healthcare providers to make healthcare access simpler, faster, and more supportive for everyone involved.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCharleston, SC, United StatesHQ recorded Nov 6, 20261,001-5,000940 contacts →

Exact match

“At Benefitfocus, a Voya Financial business, our mission is simple: To improve lives with benefits.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchDresden, GermanyHQ recorded Nov 6, 20265,001-10,000784 contacts →

Exact match

“Die Gesundheit von morgen gestalten – das machen wir.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchTorrance, CA, United StatesHQ recorded Nov 6, 2026501-1,000764 contacts →

Exact match

“Keenan provides innovative insurance and financial solutions for schools, public agencies and health care organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchUnited StatesHQ recorded Nov 6, 2026501-1,000713 contacts →

Exact match

“Plum is creating the new standard of insurance & health benefits.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchFrederick, MD, United StatesHQ recorded Nov 6, 2026n/a665 contacts →

Exact match

“ESIC Corporation is a company based out of 38 S Market St, Frederick, MD, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchJacksonville, FL, United StatesHQ recorded Nov 6, 20261,001-5,000600 contacts →

Exact match

“Allstate Benefits offers a broad portfolio of Group Supplemental workplace benefits and the services to support them, as well as Group Health Self-Funded Program options for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 2026501-1,000500 contacts →

Exact match

“About Northwest Administrators, Inc.(NWA) Since 1958, Northwest Administrators, Inc.(NWA) has delivered trusted, high-quality employee benefit plan administration and benefit…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMenomonee Falls, WI, United StatesHQ recorded Nov 6, 2026501-1,000497 contacts →

Exact match

“SKYGEN transforms dental and vision benefits management and administration with flexible technology and services that connect and change lives for the better.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchRosemont, IL, United StatesHQ recorded Nov 6, 20261,001-5,000491 contacts →

Exact match

“Luminare Health is one of the largest third-party benefits administrators in the nation, delivering comprehensive benefits solutions that help self-funded employers control…”

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

Showing 25 of 1,727 group health insurance administrators worldwide

See the full list, filter by size, metro and specialty, and access 26,118 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 Nov 6, 2026
27.2%Verified-email coverage
55.5Average contacts per company
1-10Median size (employees)
4.5%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
857
11-50
515
51-200
200
201-500
71
501-1,000
25
1,001-5,000
34
5,001-10,000
3
10001+
6

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 26,118 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.

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 1,727 company matches for group health insurance administrators 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?

Anthem, INC 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 1,012 companies, followed by Brazil (284) and Canada (49). 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 78 company records, followed by Rio De Janeiro (30) and Belo Horizonte (15).

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 26,118 professional contacts with verified work emails tracked across these 1,727 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.