TIM Brasil Serviços e Participações S.A., commonly known as TIM Brasil, is a Brazilian telecommunications company, subsidiary of Telecom Italia Finance S.A., which provides mobile and fixed telephony services. TIM Brasil was founded as a company in 1995 and started commercial operations in 1998. Since 2002, has consolidated its national presence, becoming the first mobile phone operator present in all Brazilian States and, as of April 2017, has over 61.3 million customers. The Company, through the GSM technology, has a national reach of approximately 93% of urban population and offers services to mobile and fixed telephony, data transmission, and Internet access at high speed. TIM Brasil is headquartered in Rio de Janeiro and is listed in B3 and NYSE, in São Paulo and New York City, respectively. On May 5, 2012, TIM's chairman Luca Luciani resigned from all of his duties at TIM both in Brazil and Italy. There were charges, concerning scams, about the activation of SIM cards for deceased and non-existing customers. Wikipedia