Lumen Technologies, Inc. is an investment holding company, which engages in the provision of integrated communications to residential and business customers. The company is headquartered in Monroe, Louisiana and currently employs 27,000 full-time employees. The firm provides a range of integrated products and services to its domestic and global business customers and its domestic mass markets customers. The company operates through two segments: Business segment and Mass Markets segment. Its Business segment provides its products and services under four sales channels to meet the needs of its enterprise and commercial customers. Its products and services in this segment include Dark Fiber, Edge Cloud Services, Internet Protocol (IP), Managed Security Services, Software-Defined Wide Area Networks (SD WAN), Secure Access Service Edge (SASE), Optical Services, Ethernet, VPN Data Networks, Voice Services, IT Solutions and Other Legacy Services. Its Mass Markets segment provides products and services to residential and small business customers. Its products and services in this segment include Fiber Broadband, Other Broadband and Voice and Other.