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Corning is a leader in materials science, specializing in the production of glass, ceramics, and optical fiber. The firm supplies its products for a wide range of applications, from flat-panel displays in televisions to gasoline particulate filters in automobiles to optical fiber for broadband access, with a leading share in many of its end markets.
Quanta Services is a leading provider of specialty contracting services, delivering comprehensive infrastructure solutions for the electric and gas utility, communications, pipeline, and energy industries in the United States, Canada, and Australia. Quanta reports its results under two reportable segments: electric infrastructure and underground utility and infrastructure.