Prysmian manufactures optical-fiber and submarine cables, including high-density microduct cable, for telecom and data connectivity.
Prysmian is a publicly listed Italian cable and infrastructure company supplying optical-fiber, connectivity, medium-voltage and high-voltage cable systems into hyperscale data centers, telecom networks and electric grids across North America, Europe and other markets. On Jul-20-26 it signed a 10-year, up-to-€5.5 billion ($6.3 billion) optical-cable agreement with Molex and announced more than €10 billion ($11.4 billion) of incremental cumulative data-center revenue opportunities with hyperscalers and data-center infrastructure providers through 2035. Its distinguishing position is the combination of digital connectivity and power-grid cable capacity, although the exact share of reported segment revenue attributable specifically to AI data centers is not disclosed.
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Prysmian manufactures optical-fiber and submarine cables, including high-density microduct cable, for telecom and data connectivity. Prysmian is a publicly listed Italian cable and infrastructure company supplying optical-fiber, connectivity, medium-voltage and high-voltage cable systems into hyperscale data centers, telecom networks and electric grids across North America, Europe and other markets. On Jul-20-26 it signed a 10-year, up-to-€5.5 billion ($6.3 billion) optical-cable agreement with Molex and announced more than €10
Prysmian ranks 56 of 100 on the AI Infra 100 (November 2026 edition) with a score of 90 out of 100, in Optical & photonic interconnect (Networking & interconnect). Assessment by Frontier Tech Intelligence.
Dongshan Precision (rank 13), Coherent (rank 19), Corning (rank 28), Innolight (rank 29), T&S Communications (rank 35), Huagong Tech (rank 55).
Prysmian is based in Milan, Lombardy, Italy.
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