Telefonica
Telefónica, S.A. is a leading telecommunications company headquartered in Madrid, Spain. It operates in several key sectors including fixed and mobile telephony, broadband, and digital services. With a significant presence in Europe and Latin America, Telefónica provides a wide range of products and services including voice, data, and internet services for both individual consumers and businesses. The company is known for its major brands such as Movistar, O2, and Vivo, which cater to various markets globally.