Nokia is a Finnish multinational telecommunication, information technology, and consumer electronics company. It is one of the world’s largest mobile phone manufacturers and has played a significant role in the development of the mobile phone industry.
Ericsson is a Swedish multinational corporation that provides telecommunications equipment and services to mobile and fixed network operators. It is one of the leading providers of telecommunications equipment, with a significant presence in the global market.
Ooredoo is a Qatari multinational telecommunications company headquartered in Doha, Qatar. It operates in the Middle East, North Africa, and Southeast Asia, and is the largest provider of mobile and broadband services in the region.