Thanks macsoft, I figured out the issue.
For some reason PHP is not using the REQUEST_URI variable so I modified the wp-settings.php file to use PHP_SELF instead.
So, if there are any Concentric hosting customers having the same issue here is the fix:
This is the entire wp-settings.php file:
Removed by moderator. Post only your changes, or use https://wordpress.pastebin.ca for large files.
The modification is on line 89.