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Comment by godelmachine | Hacker News Reader

Would anyone kindly name a major company that install these mammoth cables underneath oceans?

Surely they should be huge in valuation yet hidden away from the public glare.

Orange is a big player on this market, probably thanks to the fact that (as another user mentioned) Alcatel is one of the largest manufacturer (both historical french companies).

You can follow Jean-Luc Vuillemin [0] on Twitter for very interesting pictures of ships laying cables around the world.

One of the largest undersea cables plant is Alcatel in Calais, France (Dover straits). The factory is linked to the port by huge tunnels under the city. Unfortunately the Wikipedia page is only available in french but contains nice pictures[1]

[0] https://twitter.com/jlvuillemin [1]https://fr.m.wikipedia.org/wiki/Alcatel_Submarine_Networks

Checked out the Twitter feed.

Really great!

They are built by the usual telecom and heavy industry names like Alcatel and NEC.

KDDI both builds transoceanic cable and has ships to install them.

http://www.k-kcs.co.jp/english/cableShipKOL.html

http://news.kddi.com/kddi/corporate/english/newsrelease/2017...

I wouldn't say they're that hidden. Marea (MS & FB trans atlantic cable) has a nice promotional site with videos and suchlike: https://news.microsoft.com/marea/

Tyco / TE Subcom and Japan's NTT are two of the major players.

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