The table below lists 20 companies that are currently supplying undersea cable systems or components of submarine cable systems.

Links are included if you want to do some of your own research

Name	System	Cable	Repeater	SLTE	PFE	BU	Repeaterless Terminal
Alcatel (Alcatel Submarcom)	Y	Y	Y	Y	Y	Y	Y
Azea Networks (Azea Networks)	N	N	N	N	N	N	Y
Draka NK (Draka NK)	N	Y	N	N	N	N	N
Ericsson Cable (Ericsson Cable)	N	Y	N	N	N	N	N
Fujitsu (Fujitsu)	Y	N	Y	Y	N	Y	Y
Hitachi (Hitachi Cable)	N	Y	N	N	N	N	N
KDDI-SCS (KDDI-SCS)	Y	N	N	N	N	N	Y
Lumentis (Lumentis)	N	N	N	N	N	N	Y
Mitsubishi (Mitsubishi Electric)	Y	N	Y	Y		Y	Y
Movaz (Movaz)	N	N	N	N	N	N	Y
MPB (MPB Communications, Inc.)	N	N	Y	N	N	N	Y
NEC (NEC)	Y	N	Y	Y			Y
Nexans (Nexans)	N	Y	N	N	N	N	N
Nokia Kabel (Draka NK Cables)	N	Y	N	N	N	N	N
OCC (OCC Corporation)	N	Y	N	N	N	N	N
Pirelli (Pirelli)	Y	Y	Y	Y	Y	Y	Y
Red Sky (Red Sky)	N	N	N	N	N	N	N
Siemens (Siemens)	N	N	N	N	N	N	Y
Tyco (Tyco Telecommunications)	Y	Y	Y	Y	N	Y	Y
Xtera (Xtera)	N	N	N	N	N	N	Y

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Database version:

We have data on the 9 companies that have ceased to operate (under the listed name).