hayer5680 did you try searching before posting?? This has had several discussions here in QL.

http://www.qatarliving.com/search?cx=008937172676595728955%3A066rihafv68...

And here

http://www.qatarliving.com/answers/visas-and-permits/cid-office-location

Regards!!

PS: remember; before posting do a search, maybe somebody has already asked the same question and the answer is just waiting for you to read it!!