5 Largest Telecom Companies in The World by Revenue

3. Deutsche Telekom AG (OTC:DTEGY)

Annual Revenue (2022): $125.3 Billion 

Deutsche Telekom AG (OTC:DTEGY) ranks as one of the largest telecom companies in the world by revenue. The company offers a range of services including fixed network services, voice and data communication services, fixed network and broadband technology, and mobile voice and data services. Deutsche Telekom AG (OTC:DTEGY) was founded in 1995 and has its headquarters based in Bonn, Germany.