Faan employs 240 workers safety security nations airports
It seems like you're trying to provide information about Faan, a company that employs 240 workers in the field of safety and security for nations and airports.
Here's a rewritten version of your statement in a more formal and concise tone:
"Faan, a company specializing in safety and security services, employs 240 workers who provide critical support to nations and airports."