Hi Osman,
Reason I think no one among the companies is responding to you now because their recruiters are all quite busy processing H1B applications for FY2008 (which starts Oct 2007). That is what almost everyone active in this thread
at the moment is fussing about. Everyone's either just received their results or is still anxiously waiting. For FY2007, working visa petitions had to be filed by sponsoring companies just this April 1st. And its still quite a bit of a process after that. Check
USCIS Home Page for details on the process and schedules.
Kind regards,