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The table below lists 14 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
ASN (Alcatel Submarine Networks) Y Y Y Y Y Y Y
Ciena N N N Y N N Y
Draka NK (Prysmian Group) N Y N N N N N
Hexatronic N Y N N N N N
Huawei Marine Networks Y N Y Y N Y Y
Infinera N N N Y N N Y
Mitsubishi (Mitsubishi Electric) Y N Y Y   Y Y
MPB (MPB Communications, Inc.) N N Y N N N Y
NEC (NEC) Y N Y Y Y Y Y
Nexans (Nexans) N Y N N N N N
NSW (Prysmian) N Y N N N Y N
OCC (OCC Corporation) N Y N N N N N
SubCom (SubCom) Y N Y Y N Y Y
Xtera (Xtera) Y N Y Y N Y Y

We have data on the 20 companies that have ceased to operate (under the listed name).

Name System Cable Repeater SLTE PFE BU Notes
AT&T (AT&T Submarine Systems) Y Y Y Y N Y Sold to Tyco International
Fujitsu (Fujitsu) Y N Y Y N Y  
Hitachi (Hitachi Cable) N Y N N N N  
KDDI-SCS (KDDI-SCS) Y N N N N N Supply is continued by NEC, Fujitsu, and Mitsubishi.
Lumentis (Lumentis) N N N N N N Acuqired by Transmode in April 2005. Transmode was acquired by Infinera.
Movaz (Movaz) N N N N N N Acquired by Adva AG in July 2006
Nokia Kabel (Draka NK Cables) N Y N N N N  
Pirelli (Pirelli) Y Y Y Y Y Y  
Red Sky (Red Sky) N N N N N N Acquired by Huawei Marine Networks
Rochester (Rochester Corporation) N Y N N N N Now part of Tyco. Operates in Culpeper, VA.
Siemens (Siemens) N N N N N N  
Simplex (Simplex) N Y N N N N Now part of TE Subcom
STC (STC) Y Y Y Y   Y Bought by Alcatel
Sumitomo (Sumitomo) N Y N N N N  
TCC (Tasman Cable Company) N Y N N N N Bought by Alcatel
Tyco (Tyco Telecommunications) Y Y Y Y N Y Now TE SubCom a division of TE Connectivity
TyCom (TyCom) Y Y Y Y N Y Now Tyco Telecommunications
TE Subcom (TE Connectivity) Y Y Y Y N Y A division of TE Connectivity
NSN (Nokia Siemens Networks) N N N Y N N Seceeded by Corient
Corient N N N Y N N Purchased by Infinera

Complete reports on the companies and systems that operate the world's undersea fiber optic communications systems are available upon inquiry.

 
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Last modified: 1/3/2019