Corporations such as Citigroup, American Express and Fidelity are classified as

Corporations such as Citigroup, American Express and Fidelity are classified as financial services corporations. Financial services are the economic services provided by the finance industry, which encompasses a broad range of businesses that manage money, including credit unions, banks, credit-card companies, insurance companies, accountancy companies, consumer-finance companies, stock brokerages, investment funds, individual managers and some government-sponsored enterprises.