You are able to easily reset your cPanel password via our billing and support control panel.
Below are the steps which allow you to do so:
1) Login to http://billing.tier.net
2) Click services > My services.
3) Click "View Details" next to the service which you forgot your password to.
4) Click the "change password" tab.
If this process does not work, please create a new ticket in our support department and we would be happy to reset your password for you.