| ||The world’s leading communications service providers rely on Tellabs.
About one-half of our revenue comes from telecom service providers in the United States. Wireline customers include Verizon, CenturyLink and others. Wireless customers include all of the top U.S. mobile service providers. We also serve cable TV companies, utilities and government agencies.
The balance of our business is with service providers outside of the United States, such as NTT Communications of Japan, Telkom South Africa, Telecom Italia and Telstra in Australia.