In no particular order:<p><pre><code>  - Credit agencies
  - DMV
  - ISPs
  - fixed and mobile carriers
  - Social networks
  - email providers
  - advertising networks
  - Radio Shack and other retailers
  - Loyalty programs like your supermarket
  - The buyers of the above, and of anything I missed, reselling it.
  - Data breaches
</code></pre>
EDIT: I almost put law enforcement and intelligence in there, but I vaguely think we haven&#x27;t got there yet, although they certainly share data amongst themselves.<p>However, Data breaches would have to include any government agency.