COMPANYHISTORIES
SIC 6324

Hospital and Medical Service Plans

How the companies in this industry began, and the forces that shaped them.

13companies1905–1992founding years13still active0no longer operating
§ 01

The industry over time

Companies foundedEconomyTechnologyEnvironmentHistory
FoundedAmerican National Insurance Company
1905
1914
EconomyWorld War I begins; global trade reorders.
FoundedLegal & General Group plc
1920
1939
EconomyWorld War II begins; wartime production surges.
1945
EconomyThe war ends; a long global expansion begins.
1947
TechnologyThe transistor is invented.
1958
TechnologyThe integrated circuit is demonstrated.
FoundedHumana Inc.
1961
1962
EnvironmentSilent Spring launches the modern environmental movement.
1975
TechnologyThe personal-computer era begins.
FoundedHealth Risk Management, Inc.FoundedUnited HealthCare Corporation
1977
FoundedCompDent Corporation
1978
FoundedMaxicare Health Plans, Inc.
1980
1981
TechnologyThe IBM PC launches and sets a standard.
TechnologyThe first US in-vitro fertilization baby is born.
FoundedBlue Cross and Blue Shield Association
1982
FoundedPacifiCare Health Systems, Inc.
1983
FoundedOxford Health Plans, Inc.FoundedSierra Health Services, Inc.
1984
TechnologyApple ships the Macintosh; the GUI era begins.
FoundedHealth Systems International, Inc.
1985
1989
HistoryThe Berlin Wall falls; global markets open up.
1991
TechnologyThe World Wide Web is released to the public.
FoundedWellPoint Health Networks Inc.
1992
1993
TechnologyThe Mosaic browser brings the web to everyone.
1995
TechnologyWindows 95 launches; the internet goes mainstream.
1997
EnvironmentThe Kyoto Protocol sets the first climate targets.
2004
TechnologySocial media and Web 2.0 take hold.
2007
TechnologyThe iPhone launches the smartphone era.
2010
TechnologyCloud computing goes mainstream for business.
2015
EnvironmentThe Paris Agreement sets global climate targets.
2020
EconomyThe COVID-19 pandemic upends the global economy.
2022
EconomyInflation spikes; central banks raise rates sharply.
2023
TechnologyGenerative AI reaches mainstream business use.
§ 02

The companies

American National Insurance Company →
Active · founded 1905
American National Insurance Company is one of the 100 largest life insurance companies in the United States in terms of…
Legal & General Group plc →
Active · founded 1920 · United Kingdom
Legal & General Group plc is one of Great Britain's largest insurance concerns.
Humana Inc. →
Active · founded 1961
One of the largest publicly traded managed healthcare companies in the United States, Humana Inc.
Health Risk Management, Inc. →
Active · founded 1977
Health Risk Management, Inc.
United HealthCare Corporation →
Active · founded 1977
United HealthCare Corporation is a national leader in health care management programs, serving about two million health…
CompDent Corporation →
Active · founded 1978
CompDent Corporation is a fully integrated dental management company that provides full-service dental benefits.
Maxicare Health Plans, Inc. →
Active · founded 1980
Maxicare Health Plans, Inc.
Blue Cross and Blue Shield Association →
Active · founded 1982
The Blue Cross and Blue Shield Association is a nationwide organization that coordinates 70 independent health care…
PacifiCare Health Systems, Inc. →
Active · founded 1983 · Cypress, California 90630-5028
PacifiCare Health Services ranks among the biggest and best of America's health maintenance organizations.
Oxford Health Plans, Inc. →
Active · founded 1984
Operating in five northeastern states, Oxford Health Plans, Inc.
Sierra Health Services, Inc. →
Active · founded 1984
Overseeing the largest and oldest health maintenance organization (HMO) in Nevada, Sierra Health Services, Inc.
Health Systems International, Inc. →
Active · founded 1985
Health Systems International, Inc.
WellPoint Health Networks Inc. →
Active · founded 1992
WellPoint Health Networks Inc.
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