[lmm]

It doesn't stand for that in .co.uk though? It is at least widely understood to stand for "commercial" - .co.uk, .org.uk etc., are meant to be analogous to top-level .com, .org etc.

[resolutebat]

And of course .co.ck, for commercial entities in the Cook Islands: https://www.google.co.ck/

[dkjaudyeqooe]

I've found the perfect TLD for my new porn venture named 'hard'.

[Tabular-Iceberg]

Get your head out of the gutter!

The .co.ck TLD is for serious business purposes, like crane rental companies, producers of integrated circuits, cloud storage providers, or maybe a lobby group for the carbon-based pigment industry.

[lmm]

Totally sums up my credos