Lumen Technologies, also known as Lumen and CenturyLink, is a publicly owned company headquartered in the US. It reported $12.4B in revenue as of 2025. Founded in 1930, with approximately 52,200 employees, the company primarily offers telecoms services, specializing in both B2B and B2C communications, network services, security, cloud solutions, voice, and managed services. Its comprehensive communications services include local and long-distance voice, broadband, Multi-Protocol Label Switching (MPLS), private line (including special access), ethernet, hosting (including cloud hosting and managed hosting), data integration, video, network, public access, Voice over Internet Protocol (VoIP), information technology, and other ancillary services.