COMPANYHISTORIES
NAIC 423730

Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers

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

2companies1887–1956founding years2still active0no longer operating
§ 01

The industry over time

Companies foundedEconomyTechnologyEnvironmentHistory
FoundedWolseley plc
1887
1903
TechnologyThe Wright brothers achieve powered flight.
1914
EconomyWorld War I begins; global trade reorders.
1927
TechnologyLindbergh flies the Atlantic solo, and aviation captures the public.
1939
EconomyWorld War II begins; wartime production surges.
1945
EconomyThe war ends; a long global expansion begins.
1947
TechnologyThe transistor is invented.
1955
EconomyMcDonald's franchising begins, remaking fast food.
FoundedSIG plc
1956
1958
TechnologyThe integrated circuit is demonstrated.
1962
EnvironmentSilent Spring launches the modern environmental movement.
1975
TechnologyThe personal-computer era begins.
1981
TechnologyThe IBM PC launches and sets a standard.
1984
TechnologyApple ships the Macintosh; the GUI era begins.
1989
HistoryThe Berlin Wall falls; global markets open up.
1991
TechnologyThe World Wide Web is released to the public.
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

Wolseley plc →
Active · founded 1887 · United Kingdom
Wolseley plc has quietly built itself an empire as the world's leading distributor of building materials to…
SIG plc →
Active · founded 1956 · United Kingdom
SIG plc is one of the world's leading wholesale suppliers of insulation, roofing, and commercial interior products,…
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