Lumen Technologies, also known as Lumen and CenturyLink, is a publicly owned company headquartered in the US. Founded in 1930, it employs approximately 52,200 people and reported $12.4B in revenue as of 2025. The company specializes in telecommunications, offering both B2B and B2C communications, network services, security, cloud solutions, voice, and managed services. Its communications services encompass 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 various ancillary services.