Dear friend,

you may try the following domestic gas suppliers, they are not exactly in muntazah, but may be close to. You may call and check, if you have not yet called them.

(1) Ahmed Al Rayes for Gas - 4324995
(2) Gas equipment and services - 4410837
(3) Mashahdi Gas co - 4423016
(4) National Industrial Gas - 4411351

Hope the info is useful to you.

regards,