GLW vs LUMN

Corning Incorporated

Corning Incorporated engages in display technologies, optical communications, environmental technologies, specialty materials, and life sciences businesses worldwide. The company's Display Technologies segment offers glass substrates for liquid crystal displays and organic light-emitting diodes used in televisions, notebook computers, desktop monitors, tablets, and handheld devices. Its Optical Communications segment provides optical fibers and cables; and hardware and equipment products, including cable assemblies, fiber optic hardware and connectors, optical components and couplers, closures, network interface devices, and other accessories for various carrier network applications. This segment also offers operator-grade distributed antenna systems; optical network evolution wireless platform; subscriber demarcation, connection and protection devices, various digital subscriber line passive solutions, and outside plant enclosures; and coaxial RF interconnects for the cable television industry and microwave applications. The company's Environmental Technologies segment offers ceramic substrates and filter products for emissions control in mobile, gasoline, and diesel applications. Its Specialty Materials segment manufactures products that provide material formulations for glass, glass ceramics, and fluoride crystals. The company's Life Sciences segment offers laboratory products comprising consumables, such as plastic vessels, specialty surfaces, cell culture media, and serum, as well as general labware and equipment under the Corning, Falcon, Pyrex, and Axygen brands. The company was formerly known as Corning Glass Works and changed its name to Corning Incorporated in April 1989. Corning Incorporated was founded in 1851 and is headquartered in Corning, New York.

Lumen Technologies Inc.

Lumen Technologies, Inc., a facilities-based technology and communications company, provides various integrated services and solutions under CenturyLink name to business and residential customers in the United States and internationally. The company operates through five segments: International and Global Accounts Management, Enterprise, Small and Medium Business, Wholesale, and Consumer. It offers IP and data services, including VPN data network, Ethernet, internet protocol (IP), and content delivery services. The company also offers transport and infrastructure services comprising high bandwidth optical networks; unlit optical fiber networks, and related professional and management services; private line services, a direct circuit or channel specifically dedicated for connecting two or more organizational sites; colocation and data center services; and consulting services, which include network management, installation and maintenance of data equipment, and building of proprietary fiber-optic broadband networks for government and business customers. In addition, the company provides voice and collaboration services, including primary rate interface service, local inbound service, switched one-plus, toll free, long distance, and international services; and voice over internet protocol services. Further, it offers IT and managed service that include network, hosting, public and private cloud, and other IT services, as well as intuitive management tools. Additionally, the company is involved in leasing and subleasing of space. As of December 31, 2020, it served approximately 4.5 million broadband subscribers. The company was formerly knowen as CenturyLink, Inc. and changed its name to Lumen Technologies, Inc. in September 2020. Lumen Technologies, Inc. was incorporated in 1968 and is headquartered in Monroe, Louisiana.