J:COM Corporation, also known as JCOM Corporation and Jupiter Telecommunications Co, is a privately owned company headquartered in Japan. Founded in 1995, the company reported $5.2B in revenue as of 2024. Owned by KDDI and Sumitomo Corporation, J:COM functions as an integrated infrastructure and media group, specializing in combining regional cable and telecommunications networks with media production, home shopping e-commerce, and residential utility services. Its subsidiaries include Asmik Ace, Channel Ginga, J Sports, J:COM BS (Broadcasting), J:COM Cable, Jupiter Golf Network, Jupiter Shop Channel, Usuki Cable Network (U-NET), and Yokohama Cable Vision (YCV).
