The majority of company revenues are generated by manufacturing passenger elevators and escalators, producing parts required for elevator renovation and modernization, and servicing elevators.
Flow meters have historically constituted one of the largest sources of industry revenue.
Sources of revenue to Nigeria are petroleum, electricity and taxes
the main sources of income for china are agriculture,industry and trade and services(courtsey :wikipedia)hkjhljhl
The main sources of revenue in the 1800s-1860s were: Revenue Tariff, Land Sales, and Income Tax.
The main sources of state revenue come from personal income tax. They differ from the main sources of local revenue because states get income, property and sales taxes local governments get property taxes plus they get money from the state.
sources of government revenues
Taxes
The main source of local government revenue is intergovernmental transfers.
the major sources of revenue in india comes from the indirect taxes
banks taxes
Taxes
they were one of the few sources of revenue for the government