Company lists · Data refreshed September 2026

Top 25 Employer health plan administrators worldwide

RevenueBase identified 4,859 company matches for employer health plan administrators worldwide as of September 2026 and tracks 390,835 professional contacts across them, including 92,782 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for employer health plan 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 September 19, 2026. Country and city lists for employer health plan 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 Sep 19, 2026 How this list was built
4,859Companies
390,835Contacts tracked
92,782Verified emails
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The 25 largest employer health plan administrators worldwide

Ranked by team size
Top 25 of 4,859 company matches for employer health plan administrators 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 matchEden Prairie, NV, United StatesHQ recorded Sep 19, 202610001+68,350 contacts →

Exact match

“UnitedHealth Group is a health care and well-being company with a mission to help people live healthier lives and help make the health system work better for everyone.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchBloomfield, CT, United StatesHQ recorded Sep 19, 202610001+24,784 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 · Sep 19, 2026 · View company records in RevenueBase
3Exact matchIndianapolis, IN, United StatesHQ recorded Sep 19, 2026n/a18,559 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Sep 19, 202610001+17,458 contacts →

Exact match

“Health Care Service Corporation serves nearly 23 million people across the United States through its portfolio of health benefit solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchChattanooga, TN, United StatesHQ recorded Sep 19, 202610001+10,841 contacts →

Exact match

“Since our founding in 1848, Unum has been a leader in the employee benefits business through innovation, integrity and an unwavering commitment to our customers.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchIndianapolis, IN, United StatesHQ recorded Sep 19, 202610001+9,421 contacts →

Exact match

“At Anthem Blue Cross and Blue Shield we understand our health connects us to each other.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchColumbia, SC, United StatesHQ recorded Sep 19, 20261,001-5,0007,742 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 · Sep 19, 2026 · View company records in RevenueBase
9Exact matchColumbia, SC, United StatesHQ recorded Sep 19, 202610001+5,446 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 · Sep 19, 2026 · View company records in RevenueBase
10Exact matchMaryland Heights, MO, United StatesHQ recorded Sep 19, 20261,001-5,0004,732 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchBogotá, ColombiaHQ recorded Sep 19, 20261,001-5,0003,574 contacts →

Exact match

“En NUEVA EPS estamos donde más se necesita.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchIrvine, CA, United StatesHQ recorded Sep 19, 20261,001-5,0003,490 contacts →

Exact match

“CorVel is a nationally recognized claims management and managed care provider with over 30 years of experience in the industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchAtlanta, GA, United StatesHQ recorded Sep 19, 20265,001-10,0003,478 contacts →

Exact match

“OneDigital’s team of fierce advocates helps businesses and individuals achieve their aspirations of health, success and financial security.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchPittsburgh, PA, United StatesHQ recorded Sep 19, 202610001+3,413 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 · Sep 19, 2026 · View company records in RevenueBase
16Exact matchBengaluru, IndiaHQ recorded Sep 19, 20261,001-5,0003,007 contacts →

Exact match

“We are India’s leading HealthTech and InsurTech company focused on administering health benefits across employers, retail members, and public health schemes.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact 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
18Exact 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
19Exact 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
20Exact matchBirmingham, AL, United StatesHQ recorded Sep 19, 20261,001-5,0002,420 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 · Sep 19, 2026 · View company records in RevenueBase
21Exact 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
22Exact matchBogotá, ColombiaHQ recorded Sep 19, 20261,001-5,0002,077 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 · Sep 19, 2026 · View company records in RevenueBase
23Exact matchTunbridge Wells, United KingdomHQ recorded Sep 19, 20261,001-5,0002,043 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchOklahoma City, OK, United StatesHQ recorded Sep 19, 20261,001-5,0002,039 contacts →

Exact match

“American Fidelity is more than an insurance company.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchDubai, United Arab EmiratesHQ recorded Sep 19, 20261,001-5,0001,929 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 · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 4,859 employer health plan administrators worldwide

See the full list, filter by size, metro and specialty, and access 92,782 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Employer health plan administrators worldwide at a glance

As of Sep 19, 2026
23.7%Verified-email coverage
80.4Average contacts per company
11-50Median size (employees)
6.4%Largest-city concentration · Sao Paulo
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
2,335
11-50
1,466
51-200
584
201-500
212
501-1,000
78
1,001-5,000
117
5,001-10,000
21
10001+
29

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 health plan administrators are linked below.
What qualifies
Company records worldwide whose business descriptions match “employer health plan 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 92,782 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.

Employer health plan administrators by location

21 lists · largest first

Every Employer health plan 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 “employer health plan administrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many employer health plan administrators are there worldwide?

RevenueBase identified 4,859 company matches for employer health plan administrators 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?

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

Which country has the most employer health plan administrators?

The United States leads with 2,442 companies, followed by Brazil (1,082) and Canada (131). Every employer health plan administrators list by country and city is linked on this page.

Which city has the most employer health plan administrators?

Sao Paulo leads with 309 company records, followed by Rio De Janeiro (119) and Belo Horizonte (40).

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 92,782 professional contacts with verified work emails tracked across these 4,859 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.