Big business is large-scale, corporate-controlled, financial
or business activities. As a term, it is typically used to describe
activities that run from "huge transactions" to the more general "doing
big things." The concept first arose in a symbolic sense after 1880 in
connection with the combination movement that began in American business
at that time. United States corporations that fall into the category of
"big business" include
ExxonMobil,
Wal-Mart,
Apple,
Google,
Microsoft,
General Electric,
General Motors,
Citigroup and
Goldman Sachs. The largest German corporations include
Daimler AG,
Deutsche Telekom,
Siemens and
Deutsche Bank.
Among the largest companies in the United Kingdom are
HSBC,
Barclays and
BP.
Source: Wikipedia