Salaam, 

Masha Allah the following initiative, similar to the Amman message, aims to bring Muslims together under one broad banner and recognising that differences will always exist but that these differences should not be the cause for our disunity: 

http://www.suhaibwebb.com/blog/2007/09/22/a-great-blessing-in-a-blessed-month-pledge-of-mutual-respect-and-cooperation-between-sunni-muslim-scholars-organizations-and-students-of-sacred-knowledge/

Check out the names of scholars that have signed the statement.

Was Salaam 

Jashim