How to send email to specific contact

Your software
My Mautic version is:v3.2.1
My PHP version is: 7.4.3
My Database type and version is:7.4.3

Your problem
My problem is:
i made segment and filter with companies name and companies email, and i put all contact into segment, however i want to filter by companies name and companies email, whoever have that value then send them email .
unfortunately email sending out to all contact .

my goal is how can i send email only who is part of XYZ company or email say there is 100 contact inside XYZ company i want to send email only XYZ company employee not ABC company Contact,

when i add new contact into XYZ company it has to dynamically update list