Customer service wiki
I maintain a customer service wiki of more than 500 companies, where you can share the phone numbers, email addresses and names of executives who will help you get the service you deserve. The site can be found at On Your Side.
Here are are shortcuts to the most requested categories:
Note: I’m in the process of upgrading this site to a real wiki running on the Wikimedia platform. If you would like to help with this noncommercial project, please send me an email.