You must unlock your domain name's status if you plan to transfer the registration to another company.
Registry Rocket and eNom
You can easily manage this feature. Simply login at http://hostgator.com/domains and uncheck the box for "Do not allow this name to be transferred to another registrar. (recommended)".
Can't login? Here is how to reset your password.
Still can't get in? Please contact HostGator live support for immediate assistance.
LaunchPad
For now, please email sales@hostgator.com to request this change.