This works for me!
The ORGANIZATIONNAME substitution value in templates is now replaced with the Company Name from the current user’s Address Book card if present, rather than MyCompanyName. If the PBXCustomTemplateMacroDefinitions user default has already been set, it will be honored.
That we have to set the company name of my name card in address book of the MacOSX.
from: http://www.waterworld.com.hk/en/blog/set-company-name-xcode-4