They have several offices in the city. One is at the C Ring road near the American Hospital. Another office is located in the Industrial Area near Al-Attiya market. I am not aware of the other offices you have mentioned in your post.
The response from Molten Metal has really taken me by surprise. Usually, most of his post is sheer nonsense or misguides. This is the first time after quite a long period of gap that he has posted the right information.