Obtain details of H1B approved petition

Hi

Work for a leading SI through which is have my H1B petition approved, however the organisation is not sharing the same with me and i am currently looking to change my job.

Thus wanting to know how can it obrain the petition details and the process to get it stamped by another company.

Any insight will be helpful.

Regards
Ron

Do you know the receipt number? In case if you have, then atleast you can able to check at uscis site whether its approved or not? You have get that from either your employer or lawyer only is the best way.