Ive had a lot of experience with these things and I like @Future Uniform and @Nemer Uniform ask for Bashir there, he is very helpful and if you squeeze him on the price he'll give you a good deal

Where can I sew logos and names on clothes and make them on the spot?

@Nemer Uniform they can help you with that but it actually takes time like a couple of days if you dont mind the wait

Where can I buy men's surgical scrub cabs?

@Nemer Uniform they must have scrubs and hats

Where can I find overalls and rubber boots?

You can find both @Nemer Uniform

Where can I buy Toques (chef hats)?

I'm pretty sure, almost 100% sure, you'll be able to find some @Nemer Uniform

Where can I find army clothes for my 8 year old boy?

check @Nemer Uniform

Where can I customize nice name tags?

Possibly try @Nemer Uniform they have a lot experience with these types of things

Where can I get worker jumpsuits?

Check out @Nemer Uniform you can find everything you are looking for

Where can I find a clothing store specific for camouflage?

Down Town (Basman Street) a place called "Sam"..........Or near AlHussein Mosque is a market or a small street known as "Souq el Yamaneyeh" .............And maybe @Nemer Uniform , @Tiger Stores